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20 Best Mold Star 15 Slow Moldmaking Silicone Rubber of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best Mold Star 15 Slow Moldmaking Silicone Rubber of 2023. Check our ranking below.

2,173 Reviews Scanned

SaleRank No. #1

Mold Star 15 Slow - 1A:1B Mix by Volume Platinum Silicone Rubber - Pint Unit

Easy to use platinum silicone mold mix
Cure to soft, strong, tear resistant rubbers
Good for casting wax, gypsum, resins, concrete and more
Pot life of 50 minutes and cure time of 4 hours
Mix ratio is 1A:1B by volume- no weighing scale necessary

Rank No. #2

Smooth-On - Smooth-Cast 300 Liquid Plastic Compound & Mold Star 15 Slow Molding Silicone Rubber

Rank No. #3

Mold Star 30-1A:1B Mix by Volume Platinum Silicone Rubber - Pint Unit

Mold Star silicones cure to soft, strong rubbers which are tear resistant and exhibit very low long term shrinkage.
Molds made with Mold Star will last a long time in your mold library and are good for casting wax, gypsum, resins, and other materials.
Cured Mold Star rubber is heat resistant up to 450°F (232°C) and is suitable for casting low-temperature melt metal alloys.

Rank No. #4

Mold Star 16 Fast - 1A:1B Mix by Volume Platinum Silicone Rubber - Pint Unit

Easy to use platinum silicone mold mix
Cures to a soft, stong, tear resistant rubber
Good for casting wax, gypsum, resins, concrete and more
Pot ife of 6 minutes and cure time of 30 minutes
Mix ratio is 1A:1B by volume- no weighing scale necessary

SaleRank No. #5

Startso World MoldMaking Kit, 20A Turquoise Platinum RTV-2 Liquid Silicone Rubber 21.2OZ for Casting Resin, Soap, Candle, Clay, DIY Molds-1:1 by Volume with Tool 4Cups,4Sticks,2Droppers,1Pair Gloves

★ EASY TO USE: Our silicone rubber mix ratio 1:1 by weight or volume, easy mix and self-degassing without Vacuum.
★ UNIQUE FAST CURING: Finished casting can be take off from mold after 6 HOURS at room temperature, 1A;1B to mix ratio is fool proof and has a forgiving 40 minute work time.
★ UNIQUE PACKAGE & BIG BONOUS: The package use unique design,make sure completely product shipped to you.We offer free starter tool kit- 4 pcs Graduated Cups, 4pcs Sticks, 1 Pair Dropper, 1 Pair Rubber Gloves.
★ MULTIPUPOSE: Our silicone rubber is low viscosity, food grade, can be used for mold making of arts crafts (casting Epoxy Resins, Wax, Gypsum, Concrete, Soap, Candle) and Kitchen (Candy, Chocolate, Cake and Ice Cubes).
★ SATISFACTION GUARANTEED: Our silicone rubber have excellent fluidity, high transparency, easy demolding and pouring. We’re convinced you will love how much these silicone will transform your art & crafts and DIY projects with free shipping, however, if not fully satisfied we will give you a full refund or free replacement.

Rank No. #6

LET'S RESIN Silicone Mold Making Kit,20A Liquid Silicone Rubber, 20.46oz/1.28lbs, Non-Toxic, Odorless - 1:1 Mixing Ratio Silicone for Silicone DIY Molds Manual Making, Candle Molds Making(Green)

Premium Mold Making Silicone: LET'S RESIN liquid silicone rubber is made of safe silicone material, non-toxic, odorless, no bubbles, very flexible, soft, widely used in crafts, DIY own resin molds, wax molds, candle molds, and soap molds, use to make silicone molds for resin casting, wax, candles, soap making, etc.
20A Hardness & Long Shelf Life: Compared with transparent silicone,20A hardness has better strength, very suitable for making epoxy molds, candle molds, and soap molds. This green liquid silicone can make your molds more beautiful and unique. The silicone mold making kit has an extra-long shelf life of 1 year. Simply put the lid back and you can easily store it for your next use.
No Bubbles & Curing Time: The bubbles of the silicone rubber mixture will disappear automatically within 2 hours without degassing. The mixing time at room temperature is 5 minutes, and the full curing time is at least 8 hours at room temperature, depending on your mold size and thickness. If it is a bit sticky, please extend the curing time.
Great for Beginners: This silicone mold making kit contains 2 parts of silicone, including part A and part B, and the mixing ratio is 1:1. Pour part A and part B together, and then stir the mold silicone rubber mixture for 5 minutes, making sure to stir the silicone rubber mixture thoroughly for better results. As a beginner, you can easily make it, and you can make a special silicone mold without special tools and skills!
Quality Assurance: LET'S RESIN attaches great importance to consumer experience and will continue to update and optimize products. If you encounter any problems with LET'S RESIN products, please contact us in time. We will provide good services to ensure your shopping experience.

Rank No. #7

BBDINO Super Elastic Silicone Mold Making Kit, Liquid Silicone for Mold Making, Silicone Rubber Mold Making Kit 1:1 by Volume Ideal for Casting 3D Resins Molds| Silicone Molds N.W 70.56 Oz Jade Green

【1A:1B BY VOLUME, MEANS NO SCALE NEEDED AT ALL】no scale needed, this silicone mold making kit comes with 2 bottles, 70.55 Oz / 4.4 Lbs kit, part A 35.275 Oz/2.2 lbs, part B 35.275 Oz/2.2 lbs, very easy to use and and beginner frinedly silicone mold making pack with a tool kit: including 10 pcs of gloves, 5 pcs of wood mixing sticks and 1 informative and helpful user manual;
【SELF-DEGASSING, REAL BUBBLE FREE】this BBDINO liquid silicone for mold making is specially designed for all kinds of silicone molds making, it has very low viscosity so that you can easily mix and pour the silicone, the bubbles will rise and break by itself quickly if you give enough time for it at room temperature. The result made by this silicone rubber mold making kit has excellent flexibility and strength, very easy to demold, perfect for making both 3D and flat silicne molds;
【WORKING TIME: 30 MINUTES, CURE TIME: 4 HOURS AT ROOM TEMPERTUARE 25℃(73.4℉)】This pourable silicone for mold making rubber cures at room temperature with negligible shrinkage, heat cure will shorten the cure time if you are a experienced silicone mold maker, but would suggest to use a vacuum chamber pot of heating up to cure to achieve best result. WATER-LIKE SMOOTH, MEANS EASY POURING AND CATCHES EVERY TINY DETAILS!
【PERFECT 3D BLOCK SILCIONE MOLDS MAKING】BBDINO mold making silicone is a platinum grade food safe silicone mold making kit, which is widely used for mold making of arts crafts, like casting Resins, Wax, Gypsum, Concrete, Soap, Candle and all silicone molds made with our platinum silicone mold kit can be used with food contacting applications in proper ways;
【LONG SHELF LIFE & VIVID COLOR】Our mold making silicone rubber has a very long shelf life of over 1 year, you can easy save the rest materials for next time using by cover the cap back, no waste at all, and this silicone mold making kit for resin casting is designed with a stunning Jade Green Color, you can easily see whether part A and B mixed evenly enough and also you will make your arts and molds in a unique and beautiful Jade-look Color!

Rank No. #8

Silicone Mold Making Kit - 1 Gallon Kit Translucent Liquid Silicone Rubber 15A with Silicone Pigment, Bricks - Fast Cured 1:1 Ratio Silicone Casting for Making Silicone Resin Molds - with Instructions

COMPLETE STARTER KIT - Our platinum-cured silicone supplies for mold making are perfect and easy to use. Comes with 8 colors liquid silicone rubber pigment to create vibrant silicone molds and crafts. 100pcs reusable molding bricks are sufficient for making silicone molds of most sizes.
EASY TO USE - Our 15A shore hardness silicone rubber compound features a convenient 1:1 mix ratio, easy to mix and get flexible, viscosity free silicone molds. The highly concentrated silicone colorant delivers high-impact colors with every drop. A suitable container can be freely built according to the size of the molded item with the molding bricks. Please use adhesive tape to seal the bottom and frame to prevent leakage of rubber.
MULTIPURPOSE - Specifically formulated for resin molds making, diy crafts making, wax molds, candle molds, soap molds, casting molds and making molds of architectural details, statues, figurines! ATTENTION:Not for making food molds use.
SELF-DEGASSING & CURE FAST - Self degassing within 2 hours characteristics makes it easy to create smooth finish. Make sure to stir the mixture thoroughly for better results. It will take 12 hours to cure completely at room temperature, it varies from the size and thickness.
COST-EFFECTIVE - Get better value with our all in one silicone mold making kit. Whatever newbie or pro, you could easily create the molds and crafts you desire! Click ‘Add to Cart’ and enjoy your creative DIY craft making!

Rank No. #9

Nicpro 74oz Silicone Mold Making Kit, Platinum Liquid Silicone Rubber for Mold Maker, Jade Green Flexible & Food Safe Mix Ratio 1:1 for Casting 3D Resins Molds DIY with Mold Housing, Mixing Cups

【COMPLETE SILICONE KIT】: You will get 74oz silicone rubber, adjustable mold housing (maximum size 5.9'' x 5.9''x 2''), 12 pcs stirring sticks, 8 pcs 8oz plastic measuring cups, 10 pcs gloves, 2 pcs tablecloth and 1x user manual. It's the essential bundle you need to start your mold making!
【FOOD & SKIN CONTACT SAFE】: Adapted platinum grade additional RTV-2 silicone rubber,NON-TOXIC and odorless. Ideal for mold making of arts crafts, like casting resins, wax, concrete, soap, candle or mode for candy, chocolate, cake.
【FAST CURE】: This mold-making silicone rubber 3~5 hours cures at room temperature（73.4°F / 23°C). It has 30 working time. Heat cure will shorten the cure time.(depending on mold size and thickness, temperature）Notice: It can not cure with UV resin. Due to the low viscosity, the bubbles will disappear automatically within 2 hours without vacuum degassing.
【20A SILICONE TEAR RESISTANCE】: Our silicone mold making kit is designed for making the flexible & firm molds.Once cured ,the silicone is flexible enough, not easily breaking and easy to demold. The silicone molds have a very long life span, which can be used up to 500~1000 times if taken good care.
【WIDE APPLICATION】: Our green liquid silicone for mold making is easy to pour and mix, perfect detail copy. the silicone is flexible. Perfect for middle size project such as 2-piece 3D silicone molds, 1-piece 3D silicone molds, 1-piece flat silicone molds.

SaleRank No. #10

LET'S RESIN 8oz Silicone Mold Making Trial Kit, Fast Cure Mold Making Silicone Rubber, Easy Mixing, Flexible Platinum Cured Molding Silicone for Casting Resin Molds & Silicone Molds (Translucent)

【All in One Silicone Kit】: This starter kit comes with 8oz silicone rubber, stirring wood sticks x 2 pcs, 100ml plastic measuring cups x 2 pcs; disposable plastic gloves x 2 pcs; If you're new to silicone mold-making and afraid to fail, LET'S RESIN silicone mold making trial kit is a perfect choice for you to try without costing you a lot, provide everything that you need to get started.
【Fast Cure & No Bubbles】:This mold making silicone rubber cures at room temperature or can be heated to cure faster. It has 30~40min working time and cures in 3-6h at room temperature 73.4℉/25℃, varying with your mold size and thickness..The bubbles will automatically disappear within 2 hours due to its excellent low viscosity feature, no vacuum degassing is necessary.
【Premium Mold Making Silicone Materials】: Our liquid silicone for mold making is platinum-cured silicone, non-toxic and odorless, with negligible shrinkage, designed for making excellent flexibility and high tear resistance silicone molds; meaning it will last years if taken care of properly.
【Easy Mixing & Pouring】: This silicone molds making kit includes part A and part B with mix ratio 1:1 by weight; Pour the equal Part A and Part B together, then stir the silicone rubber for 3 minutes, very easy to use, no special skills or tools are needed; make sure to scrape the bottom and the sidewalls of the mixing cup to ensure thoroughly mixed.
【Wide Application】: LET'S RESIN high-performance mold making silicone rubber is idea for making highly-detailed molds as well as 3D silicone molds; very ideal for art craft use, casting material like resin, wax, gypsum, soap, candle, polymer clay, easily make your own silicone molds. Translucent clear color allow you to mix with mica powder, chameleon powder, and even glow-in-the-dark pigment to create a unique color shade and offer you more DIY fun.

Rank No. #11

Mold Star 20T - 1A:1B Mix by Volume Translucent Platinum Silicone Rubber - Pint Unit

Packaging may vary* Pourable translucent platinum-cure silicone rubber with Shore 20A Hardness

Rank No. #12

Silicone Mold Making Kit, 30A Translucent Platinum RTV-2 Liquid Silicone Rubber 21.2 for Casting Resin, Soap, Candle, Clay, DIY Molds -1:1 by Volume with Tool Kit 4 Cups, 4 Sticks,1 Pair Gloves

★ SHORE A 30 & LOW VISCOSITY : The 30A Platinum RTV-2 silicone rubber has low viscosity so that easy to mix and pour. The mold will have great flexibility & Strength,it was easy demolding.
★ EASY TO USE & FAST CURING : Startso World silicone rubber mix ratio 1:1 by volume, easy mix and self-degassing without Vacuum.Finished casting can be take off mold after 6 HOURS at room temperature, and forgiving 40 minute work time.
★ UNIQUE PACKAGE & BIG BONOUS:Our packaging is equipped with a leak-proof lid, sealed aluminium foil and fully sealed heat shrink film.This triple leak-proof package make sure that every customer can receive a complete product.We offer free starter tool kit - 4 pcs Graduated Cups, 4pcs Sticks, 2 Dropper, 1 Pair Rubber Gloves.
★ MULTIPUPOSE: High translucent silicone is low viscosity, food grade, can be used for mold making of arts crafts (casting Epoxy Resin, Clay, Wax, Gypsum, Concrete, Soap, Candle) and Kitchen (Candy, Chocolate, Cake and Ice Cubes).
★ SATISFACTION GUARANTEED: Our silicone rubber have excellent fluidity, high transparency, easy demolding and pouring. We’re convinced you will love how much these silicone will transform your art & crafts and DIY projects with free shipping. We provide 100% satisfaction and money-back guarantee.If you have any question,please feel free to contact us.

SaleRank No. #13

Silicone Mold Making Kit - Translucent Silicone Rubber Non-Toxic Liquid Mold Making Silicone - Mixing Ratio 1:1 - Ideal for Resin Molds, Silicone Molds)

PREMIUM MOLDS MAKING SILICONE MATERIAL: Our translucent liquid silicone for mold making are platinum-cured silicone, made by safe silicone material, non-toxic and no odor, very flexible, soft and clear. You could also mix mold making silicone rubber with mica powder to create new colors.
EASY MIXING & POURING: This silicone molds making kit includes part A and part B, the mix ratio is 1:1 by weight. Pour the Part A and Part B together, then stir the silicone rubber for 5 minutes, make sure to stir the liquid siicone rubber mixture thoroughly for better results. The working time is 5 minutes at room temperature.
NO BUBBLES: The bubbles of liquid silicone will automatically disappear within 2 hours, no vacuum degassing is necessary. The working time of making mold kit is 5 minutes at room temperature and the complete cure time is at least 12 hours at room temperature, it varies on your mold size and thickness. If it's s little sticky, please extend the curing time of silicone rubber
GREAT FOR BEGINNER: If you're new to the mold making, this mold making kit is a perfect choice for you to try! No special skills or tools are needed. You could enjoy this fun and creative activity all day. HOW to CLEAN: If there's any spill, please clean with soapy water or rubbing alcohol.
WIDE APPLICATION: It's very ideal for art craft use, DIY your own resin molds, wax molds, candle molds, soap molds, use to make silicone molds for resin casting, wax, candle,soap making, etc. ATTENTION: Not for making food molds use.If you have any question with LET'S RESIN molding silicone kit, please don't hesitate to contact us.

Rank No. #14

BBDINO Silicone Mold Making Kit, Super Elastic Mold Making Silicone Rubber, Liquid Silicone for Mold Making, N.W. 21.16 oz, 1:1 by Volume, Ideal for Casting 3D Silicone Molds| Food Molds, Jade Green

[Mold Making Kit] This silicone mold-making kit includes 2 bottles, part A and part B, each 10.58 ounces, totaling 21.16 ounces. The bottles are also very simple to use and come with tinfoil that is sealed within the top, providing double assurance that there will be no leaks.
[Easy Mixing and Pouring] This liquid silicone for mold making is intended for the creation of all varieties of silicone molds and has a low viscosity to make it simple to mix and pour silicone material without the need for a pressurized pot or degassing system. The molds created using this liquid RTV silicone rubber for mold making have excellent flexibility and strength. Excellent for creating both 3D and flat silicone molds, this silicone mold-making kit is extremely simple to demold.
[Fast Curing] It has 30 minutes of working time and 4 hours of curing time at a temperature of 25 °C (73.4 °F) at room temperature. This silicone for mold-making cures at room temperature with very little shrinkage, and the heat cure will shorten the cure time.
[Wide Application] The BBDINO super elastic pourable silicone mold-making kit is made of platinum-grade silicone that is completely food-safe. It is used for a variety of arts and crafts projects, including the casting of resins, wax, gypsum, concrete, soap, and candles；
[Long Shelf Life and Vivid Color] The liquid silicone has a very long shelf life of over a year. You can easily store the leftover materials for use at a later time by covering the cap, which means there is absolutely no waste. Additionally, this silicone mold maker rubber is designed with a stunning jade green color so that you can easily tell if parts A and B are mixed evenly enough to create artwork and molds in a stunning jade-look color.

Rank No. #15

LET'S RESIN Silicone Mold Making Kit 63.48oz/3.968lbs,Non-Toxic Mold Making Silicone Rubber,Silicone Mold Maker,Clear Liquid Molding Silicone Kit for Resin Molds, Silicone Molds Making…

PREMIUM MOLD MAKING SILICONE MATERIAL: Our translucent clear liquid silicone are made by safe silicone material, non-toxic and no odor, very flexible, soft and clear. You could color the molding silicone with mica powder to achieve new colors.
EASY MIXING & POURING: LET'S RESIN silicone mold making kit are 2-part silicone including part A and part B; the mix ratio is 1:1 by weight (digital scale is necessary). Pour the Part A and Part B together, then slowly stir the silicone rubber about for 5 minutes, make sure to stir the mixture thoroughly for better results.The working time of liquid silicone rubber is 40~50 minutes and the complete cure time is 8~15 hours at room temperature, it varies on your mold size and thickness.
NO BUBBLES: The bubbles of will automatically disappear within about 2 hours, no vacuum degassing is necessary. IMPORTANT TIPS: To reduce the bubbles, you can slow down the curing speed. You can put it in freezer for about 1 hour while curing, then take it out and let it cure in the room temperature. Do not warm up the silicone before use, as this will cause more bubbles.
GREAT FOR BEGINNER: If you're new to the mold making, our mold making kit is a perfect choice for you to try! No special skills or tools are needed. You could enjoy this fun and creative activity all day. HOW to CLEAN: If there's any spill, please clean with soapy water or rubbing alcohol.
WIDE APPLICATION: It's very ideal for art craft use, easily DIY creative resin mold, wax mold, candle mold, soap mold making ; great for resin, wax, soap, casting.If you have any question with our product mold making silicone kit, please don't hesitate to contact us.

Rank No. #16

Miraclekoo Silicone Mold Making Kit Liquid Silicone Rubber 15A Platinum Silicone Translucent Mold Making Silicone for Casting Resin Molds, Silicone Molds (7 oz)

EASY TO USE - No special skills or tools are needed.The silicone mold making kit includes part A and part B, the mixing ratio is 1:1 by weight. Pour the Part A and Part B together, then stir 5-6 minutes, make sure to stir the mixture thoroughly for better results.
SAFE - Our silicone rubber is made of safe silicone material, high-quality,non-toxic and odorless, very flexible, soft and transparent.
PREMIUM - Our silicone rubber with self-debubbling,the bubbles will automatically disappear within 2 hours, no vacuum degassing is necessary. The completely cure time is about 4-6 hours at room temperature, it varies from your mold size and thickness.Please note:The curing time is affected by the temperature. If the curing is too fast, it can be slowed down by cooling before use. If the curing is too slow, it can be accelerated by heating.
WIDELY USE - Excellent for making resin molds, wax molds, candle molds, soap molds, casting molds and so on. ATTENTION:Not for making food mold use.
PLEASE NOTE:mixing without using silicone cup and molding without using silicone mold.Because they're silicone, they will fuse.

Rank No. #17

Nicpro Adjustable Molds Housing for Silicone Mold Making, Reusable Plastic Housing Frame Mold Making Silicone Rubber, for Resin Molds Kit, Soap Molds, Candle Molds with Binder Clips, Double-Sided Tape

Value Package : Comes with 4pcs corners, 8pcs centerpieces, and 12pcs 0.98'' binder clips and 1pcs double-sided tape.A must have for craftmen, great for making candle molds, soap molds, silicone molds,resin molds. TO AVOID the leaking of liquid silicone, we recommend you also use a heat glue gun to seal the bottom.
High Quality: Made of premium ABS plastic material, which is durable and sturdy enough to serve for a long time. Easy to clean and demold with the smooth surface. Reusable, lightweight and scratch-proof.
Adjustable Mold Housing: This adjustable mold housing set can be assembled to form 3 sizes of rectangles and 3 sizes of squares by different combinations; the maximum size of the square is 5.9 x 5.9 inches; the maximum size of the rectangle is 7.84'x 3.94 inch.Height up to 2 inches.
Buy 2 Kit For More Change：Buy 2 kits to make a bigger or taller mold housing, you can use a hot glue gun and more binder clips to stick and strengthen the housing frame to avoid the silicone leaking. Ideal for making silicone resin molds, soap molds, candle molds of various width and height.
Notice: 1. These silicone mold housings are for casting silicone mold, but not for resin castings (Resin will stick to the housing). 2. Please do NOT use silicone mat as the bottom part. Seamless tape, PVC, PLA, ABS plastic sheet and acrylic plate can be used for the bottom.

SaleRank No. #18

Silicone Mold Making Kit - 1 Gallon Liquid Silicone Rubber 15A with Adjustable Mold Housing - Fast Cured Easy 1:1 Mixing Ratio Silicone Casting for Making DIY Silicone Resin Molds - with Instructions

COMPLETE STARTER KIT - Our platinum-cured teal silicone supplies for mold making are perfect and easy to use. With the silicone rubber mold housing, you can easily make any size silicone molds according to your needs.
EASY TO USE - Our 15A shore hardness silicone rubber compound features a convenient 1:1 mix ratio, easy to mix and get flexible, viscosity free silicone molds. A suitable container can be freely built according to the size of the molded item with the housing frames.
SELF-DEGASSING & CURE FAST - Self degassing within 2 hours characteristics makes it easy to create smooth finish. Make sure to stir the mixture thoroughly for better results. It will take 12 hours to cure completely at room temperature, it varies from the size and thickness.
MULTIPURPOSE - Specifically formulated for resin molds making, diy crafts making, wax molds, candle molds, soap molds, casting molds and making molds of architectural details, statues, figurines! ATTENTION:Not for making food molds use.
COST-EFFECTIVE - Get better value with our all in one silicone mold making kit. Whatever newbie or pro, you could easily create the molds and crafts you desire! Click ‘Add to Cart’ and enjoy your creative DIY craft making!

Rank No. #19

Smooth-On Rebound 25 Brush On Trial Unit Platinum Silicone Moldmaking Rubber

Rebound 25 is soft, flexible and is good for making molds of models with deep undercuts.
Depending on model configuration, Rebound 25 can be inverted as a glove molds.
Rebound will not stick to most surfaces, so surface preparation is minimal
Two liquids that mix easily together

Rank No. #20

Silicone Mold Making Kit 35.2oz,Flexible Silicone Rubber Mold Making 15A, Fast Cure Molding Silicone, Self-Degassing Platinum Cure Liquid Silicone, Ideal for DIY Resin Molds & Silicone Molds 2.2lb

【LET'S RESIN NEW 15A MOLD MAKING KIT】: LETS RESIN silicone mold making kit comes with 2 bottles, each bottle containing 500g/1.1 lbs of platinum cured silicone, which is a safe silicone material, non-toxic and odorless; the silicone mold finished with LET'S RESIN 15A silicone rubber is very flexible & durable, not easily break, great for making both high-detailed flat molds or 3D silicone molds; perfect mold making kit for beginner to try, satisfying your various needs.
【EASY BLEND & FAST CURING】: Compare to LET'S RESIN translucent silicone,this silicone kit is designed with beautiful light blue color.You can easily see whether part A and part B are mixed evenly thanks to the bicolor appearance; The mix ratio is 1:1 by weight. Just pour the equal Part A and Part B together, then stir the silicone rubber mixture for 3 minutes; the working time is within 30 minutes and the cure time is 3~ 6 hours at room temperature.Final curing time varies on various conditions.
【SELF-DEGASSING & NO BUBBLES】: No vacuum machine is necessary! The bubbles of liquid silicone will automatically disappear within 2 hours at room temperature due to its low viscosity feature. Bubbles tend to occur in hot temperatures. To reduce all bubbles, you can seal and store the mixed molding silicone in the refrigerator for 1 hour while curing, then continues to cure at room temperature.
【WIDE RANGE OF USE & LONG LIFE SPAN】: LET'S RESIN high-performance silicone for mold making is very ideal for art craft use, easily make your own resin molds, including resin jewelry molds, resin coaster molds, large silicone molds, 3D silicone molds as well as concrete molds, cement molds, soap molds, candle molds, plaster molds, clay molds, etc; The silicone molds have a very long life span, which can be used up to 500~1000 times.
【TIPS FOR SILICONE MOLD MAKING 】: Cure inhibition is one of the most common issues that can occur during the making mold process. The platinum catalyst in the casting silicone can become deactivated by coming in contact with contaminants like UV RESIN,3D print resin, Sulfur-based clay, and Tin-cure silicone. We suggest you read the manual carefully before the operation and always make a small patch test first. Please feel free to contact us if there's any issue.

Last update on 2023-08-08 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Mold Star 15 Slow Moldmaking Silicone Rubber?

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FAQ:

Q: How long does mold star 15 slow moldmaking silicone rubber last?

A: Curing – Allow Mold Star 15 SLOW silicone rubber to cure for 4 hours at room temperature (73°F/23°C) before demolding. Mold Performance – The physical life of the mold depends on how you use it (materials cast, frequency, etc.).

Q: How long does it take for mold star 15 slow to cure?

A: If using as a mold material, the liquid rubber should level off at least 1/2” (1.3 cm) over the highest point of the model surface. Curing – Allow Mold Star™ 15 SLOW silicone rubber to cure for 4 hours at room temperature (73°F/23°C) before demolding. Heat Curing – Time to demold can be reduced by applying mild heat.

Q: What’s the best way to demold mold star 15?

A: Heat Curing – Time to demold can be reduced by applying mild heat. Example: After pouring Mold Star™ 15 rubber at room temperature, place the mold in a hot box or industrial oven at 140°F (60°C). This will reduce the time to demold of a 1/2” (1.3 cm) thick section to about 10 minutes.

Q: What can you use mold star Rubber for?

A: Molds made with Mold Star will last a long time in your mold library and are good for casting wax, gypsum, resins, concrete and other materials. Cured Mold Star rubber is heat resistant up to 450°F (232°C) and is suitable for casting low-temperature melt metal alloys.