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The Best Plaster Molds of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Plaster Molds of 2023. Check our ranking below.

2,484 Reviews Scanned

SaleRank No. #1
Luna Bean Hand Casting Kit - Unique Couples Gifts for Christmas, Anniversaries, Bridal Showers, Weddings, Engagements, Grandma - Mold Kit for Her, Him
  • COUPLES SIZE! Our Hand Casting Kit is the ideal couple’s gift to capture the moment between you and your loved one. Create a timeless keepsake with this unique gift to treasure for years to come. A fun and special gift for couples, Christmas gift for her, anniversary gift for couples or a couples Christmas gift.
  • PRESERVE EVERY PRECIOUS DETAIL! The unique rubbery cast captures every fine line and fingerprint. Our non-toxic & safe premium Step 1 alginate molding material is Luna Bean's highest quality custom molding gel formula. Guaranteed to provide more working time, form a stronger cast, capture every detail, and has bolder color changing properties than other craft brand.
  • FUN & EASY! Taller and wider bucket plus more molding & casting materials than other 2 person kits! Easily casts up to 2 Adult hands, 2 Adults + 1 small child, or 2-4 Young Children. See the Luna Bean XL FAMILY Hand Casting Kit to cast 3+ hands.
  • 100% SATISFACTION KEEPSAKE GUARANTEE – Providing the best hand casting experience is our priority. If you are not satisfied, we are here to help. Send us a photo and we will work with you on a solution.
  • BEST SELLING CASTING KIT: Kit Contents INCLUDED: Large Plastic Molding Bucket, Step 1 Molding Powder (700g), Step 2 Casting Stone (1200g), 4 Sandpapers, 2 Demolding sticks, 2 Detailing Sticks, Plastic Sculpting Knife, Pair of Gloves, Detailing Pin and Detailed Instructional Booklet in English and Spanish (online). Full length INSTRUCTIONAL VIDEO available.
Rank No. #2
Dap 10308 4-Pound Interior Plaster of Paris , White
  • Adhesives & Sealants
  • Country of manufacture: United States
  • Manufacturer: Dap
  • Smooth formula provides great results every time
  • For interior applications
Rank No. #3
Perfect Plaster Pottery & Ceramic Casting Material - 4 Pound
  • Perfect Plaster Pottery & Ceramic Casting Material is specially formulated to create the most accurately detailed and high quality casts from your molds
  • Easy to mix and use, Perfect Plaster quickly hardens to perfection in 30-45 minutes
  • Beginners and experts alike trust their craft projects to Perfect Plaster Casting Material ensuring the best results every time
  • Includes 4 lbs of Perfect Plaster Casting Mix
  • Non toxic and proudly made in the USA
Rank No. #4
Silicone Gnome Mold 3D Gnome Mold Epoxy Dwarf Plaster Mold for Soap DIY Paint Your Own Gnome Resin Making, Wax, Ceramic Polymer Clay(1 Piece)
  • Package contents: you will receive 1 piece of pink gnome mould in pink color; The size of the mould is about 10 cm/ 3.94 inches in height, 4.5 cm/ 1.77 inches in width, the appropriate size is convenient for you to use and can easily meet your daily use and other requirements
  • Serviceable material: our gnome silicone mould is made of quality silicone, which is reliable, not easy to deform, tear and break, and can keep for a long time; The surfaces of these mould are smooth and comfortable to touch, do not need to worry about scratching your fingers
  • Easy to apply: you only need to put the resins or other materials into the Christmas silicone mould and wait for them to solidify; And then you can conveniently and effectively demould the mould, you will get a beautiful dwarf, bringing more fun and saving time and effort
  • Match with your DIY crafts: you can use the silicone mould to make a variety of dwarfs and print different patterns or letters on them, making distinctive, novel and delicate ornaments on diverse festivals, such as Christmas Day, Thanksgiving Day and more
  • Wide applications: this dwarf silicone mould can be compatible with different resins, concrete, perfumed soaps and other materials; You can use different materials to make a lot of crafts, such as Christmas decorations, cute soaps, resin ornaments, bringing a nice experience
Rank No. #5
TOPYS Candle Jar Silicone Molds Set, Hexagonal Coaster Molds and Coconut Shape Container Moulds, Round Pot Molds for Making Uv Epoxy Plaster Concrete Storage Box Home Decor Planter
  • [What you get]: A candle jar mould and a coconut shaped container mould for making a few simple concrete candle containers. Absolutely stunning for all your candle making needs.
  • [Durable Design]: The coconut-shaped container keeps the scent lasting and prevents wax oil from leaking. What's more, the body of the concrete candle holder is more resistant to drops than glass and less prone to deformation than tins.
  • [Versatile]: TOPYS silicone concrete moulds are made of high quality silicone material, durable, reusable and easy to release. It is suitable for epoxy resin moulds, clay moulds, concrete moulds, cement moulds, plaster moulds, etc.
  • [Warm home décor]: There is something very cosy and wonderful about lighting a few candles, which sway with a warm glow, and curling up on the sofa to watch a movie. The handmade candle jars add to the charm of home décor and fill every inch of your home with a soft scent.
  • [Multi-functional]: Cement moulds for concrete are not only suitable for making candle jars, but also for making flower pots, pen holders, cosmetic brush storage, juicy plant jars, etc., as storage jars are also a good choice.
Rank No. #6
Baroque Style Silicone Molds 2-count Cameo Medallion Escutcheon
  • Cavities include escutcheon plate, cameo, medallion, curlicues, cherub and embellishments
  • For cake border decoration, cupcake topper, cookie decor, soap ornament, candle accent, clays or resin casting, home décor DIY ( such as cabinet knob, photo frame decorating ) etc.
  • For cake/desserts decoration: fondant, gum paste, sugarpaste, melted candy & chocolate, isomalt, marzipan, ice, jelly etc.
  • For crafts: modelling clay(air dry clay, paper clay, resin clay, polyclay, polymer clay, salt clay, metal clay, liquid clay, wood clay etc.), resin(epoxy resin, rethane resin, uv resin), concrete, cement, plaster, hot glue, soap, candle, wax, mix media and more.
  • Food Safe. Food and not food should be used with separated molds. Wash and boil before use, especially for food. Color is randomly sent.
Rank No. #7
4M Mould & Paint Cute Pets from 4Mould & Paint Finest Plaster Casting Kits, Mould and Paint Adorable Plaster Fridge Magnets and Pins, Great Gifts for Family and Friends, Ages 5+,Blue,Purple,White
  • THE PERFECT FAMILY ACTIVITY: Mix and mould six different animals then pick and paint your favorite.
  • AN ADORABLE PET FOR EVERYONE: Fish or Feline? Puppy or Parrot? Horse or Hare? AN ADORABLE PET FOR EVERYONE: Fish or Feline? Puppy or Parrot? Horse or Hare?
  • MIX, MOULD, PATIENCE, AND PAINT: Fun from start to finish. Mix your plaster, create your moulds, plan your colors as the plaster sets, then paint and decorate to complete.
  • UNLIMITED COLORS: Using the six colors included in the kit, along with painting tips for mixing colors, the rainbow of possibilities is endless.
  • EVERYTHING YOU NEED IN ONE BOX: No stress for parents having to source extra supplies. All you need for your project included. Extra paint brushes will come in handy, especially for family fun.
SaleRank No. #8
Falling in Art 5lb Plaster of Paris
  • Safe and easy to apply for craft project, mask making, sculpture, diorama
  • Conventional mixing ratio -- 3 PARTS WATER : 4 PARTS PLASTER
  • Begin to solidify in 3-4mins and dries to a hard consistent finish in 30mins
  • Lightly smack model when filled on a surface so the air bubbles dissipate
  • Painted with marker pen, watercolor pen and other paint tools after model dried
Rank No. #9
Bird Fondant Molds for Cake Decorating, Sparrow Chocolate Candy Silicone Mold Set of 2, DIY Cupcake Topper Mousse Biscuit Butter, Clay Resin Plaster Home Decor Mold
  • BIRD FONDANT MOLD: You can get 2 fondant molds in the package, including 8 bird molds of different sizes and shapes. It is a multi-functional and multi-purpose cake decoration mold.
  • RELIABLE MATERIAL: Our sparrow molds are made of food-grade silicone, BPA-free, with good high and low temperature resistance, and can be safely used in microwave ovens, dishwashers, freezers, and refrigerators.
  • MULTIPURPOSE: Our sparrow molds are widely used, not only can be used for baking cake decoration, mousse, biscuit, candy chocolate, sugar craft, flower paste, dough, but also DIY resin craft, modeling clay, soap, candle, plaster, also Can be used for home decoration.
  • EASY TO OPERATE: the mold adopts non-stick design, just pour the prepared materials into the mold, wait until it cools, press the bottom to get the perfect bird shape, perfect for baking lovers and beginners, also a great tool for kids DIY clay.
  • SALES SERVICE: Thank you for choosing the molds of ICOCONG flagship store, we are committed to producing high-quality cake decoration molds, if you have any questions about the molds, please feel free to contact us by email to ensure you get a satisfactory solution.
Rank No. #11
Sun Moon and Stars Soap Mold - MoldFun Sun Moon Face Soap Silicone Mould for Handmade Lotion Bar, Bath Bomb, Plaster of Paris, Resin
  • SAFE FOOD-GRADE MATERIAL - All of our silicone molds are made of 100% pure, professional quality food grade silicone. Meets US FDA and European LFGB safety standards. BPA, PVC and Phthalate free. Innoxious, no peculiar smell.
  • WELL-DESIGNED AND MULTIPURPOSE - The fine design and the clear details make your works vivid and lively. And it is microwave, oven, refrigerator, freezer safe. You can create your own special soaps, bath bombs, lotion bars, crayons, waxes, polymer clay, plaster of Paris and more with this miraculous mold.
  • EASY TO USE AND RELEASE - Simply pour your favorite ingredients in the mold, and keep the ingredients static until completely formed. This flexible silicone mold offers a non-stick surface that allows the goods to pop right out with a little push from the bottom.
  • EASY TO CLEAN AND STORE - This silicone mold is completely dishwasher safe. Alternatively simply cleaning with warm soapy water does the job ! Once cleaned place the mold at a storage space far away from direct sunlight until next use.
  • RETURN OF GOODS WITHOUT REASONS - We take pride in delivering top quality products and guarantee a FULL REFUND if you are not satisfied with our products. Lifetime warranty for any issues. TOTALLY RISK FREE, buy with confidence now!
Rank No. #12
HTVRONT Hand Casting Kit Couples - Hand Mold Kit for Women, Plaster Hand Mold Casting Kit as Birthday Gifts, Wedding Gifts for Him & Her & Family
  • 【Preserve Precious Memories】 The HTVRONT hand casting kit bring you the experience of creating hand mold together with your friends or family. You are making precious memories and having a great time while producing a unique and beautiful keepsake. Not only does this hand mold kit couples produce stunning hand molds, but it also has a high level of detail replication, making it a fantastic choice for preserving memories.
  • 【Easy to Use and Safe】 HTVRONT hand mold kit is incredibly easy to use, and the detailed instructions provided make the process stress-free and enjoyable. The step-by-step guide ensures that even those with no prior experience can achieve outstanding results. The powder included in this hand casting kit couples is high-quality and fine-grained which is both safe and non-toxic, ensuring that the entire process is worry-free.
  • 【Comes with a Practice Kit】 Our hand casting kit features a spacious molding bucket, accommodating up to 2-3 people at once. This all-in-one kit provides everything you need to create a stunning plaster hand mold, including a practice mold, 2pcs acrylic paints, and 4pcs plaster pigments. With HTVRONT plaster hand mold casting kit, you can create a one-of-a-kind masterpiece that perfectly showcases the beauty of your hands!
  • 【Perfect Gift】 This hand mold kit is the perfect gift for occasions such as birthday gifts for women, wedding gifts, anniversary gifts, gifts for boyfriend. It's an ideal way to create a unique and personalized keepsake for your loved ones. Additionally, the finished plaster hand mold can be used as a beautiful home decoration or an exhibit in galleries or museums. The possibilities are endless with our hand casting kit.
  • 【Excellent Customer Service】 We believe this hand casting kit will bring you a joyful creating experience. If your HTVRONT hand molding kit for family does not perform as expected, please get in touch with us ASAP. We will try our best to solve the problems.
Rank No. #13
Peony Flower Candle Silicone Mold Soap Mold Fondant Chocolate Cake Candy Moulds Epoxy Resin Plaster Clay Baking Pastry Tools
  • Size and Weight: Mold Size(DIAxH):9.5x3.5cm/3.74x1.4in, Product Finished Size(DIAxH):7.5x3cm/2.95x1.2in, Mold Weight:185g/6.5oz.(Please note:we only sell silicone mold)
  • Usage: The silicone mold can be used for sugarcraft, cake decorating, fondant, mousse cake,chocolate,pudding, soap, candle,Clay etc.
  • Application: Perfect gift on birthday,Thanksgiving, Christmas,Mother’s day, Valentine’s day, New Year gift and so on.
  • Applicable filling materials: Suitable for sugar paste, butter, resin, polymer clay, gum paste, wax,soap,etc.
  • Material: made out of soft flexible silicone ,reusable, easy to demould, non-stick, resistance to temperature -40-230 degree centigrade(-104°F——446°F).Easy ot use and clean.
Rank No. #14
Hand Casting Kit Couples,PewinGo Plaster Hand Mold Casting Kit, Hand Mold Kit Couples,DIY Gifts Ideas for Couples,Valentines,Engagement,Anniversary,Family,Child,Wedding,Boy/Girlfriend
  • 💝Personalized Gifts–Unique gifts ideas for valentines day,bridal shower,engagement,wedding,Mr. and Mrs.,anniversary and great christmas gift for him/her,men/women,couples,family, boyfriend/girlfriend,husband/wife,parents/mom/dad,adult/kids/babys.Having some fun for your family and keep precious memories, this hand casting kit is a great way to capture the moment.
  • 💝The Most Comprehensive Hand Molding Kit for Family -Ideal hand sculpture kit for 2 adult hands, 2 adults and 1 small child, or even up to 4 small children. Includes a 3L Plastic Molding Bucket, Premium Alginate Molding Powder (450g), Premium Casting Stone Powder (1200g), 1 wood roller Stick, 2 Sandpapers, 1 Round Wood Base, 1 Plastic Tablecloth (100x100cm), Practice Kit (50g Alginate Molding Powder + 50g Stone Casting Powder), 1 Instruction Manual, 2 Gloves, 1 Safety Pin.
  • 💝Practice Makes Perfect– This plaster hand mold casting kit includes a small practice kit (50g Alginate Molding Powder + 50g Stone Casting Powder) to use before you create your final masterpiece. By practicing with the practice hand mold kit, you and your family can have the most beautiful plaster of pairs plaster figure possible.
  • 💝Safe for Your Skin-our hand mold kit couples is 100% safe for the skin.Our high definition moulding solution picks up every line, wrinkle and dimple it’s simply amazing, and it is suitable to mould engagement and wedding rings.
  • 💝100% SATISFACTION KEEPSAKE GUARANTEE - We take your happiness as our #1 priority.If your hand casting does not turn out,send us a photo by email through amazon and then we're here to help. 【Please note】 Generally, 100g Alginate Molding Powder +150g Casting Stone Powder can copy one child's hand ; 250g Alginate Molding Powder+500g Casting Stone Powder can copy one adult's hand (The container is also critical, the container is large, the more material powder you need)
Rank No. #15
Silicone Cat Mold Sleepy Cat Soap Mold Silicone Mold for Candles Cat Resin Mold Handmade Soap Mold 3D Cat Mold Cartoon Mold Epoxy Mold Cat Silicone Mold Candle Mold
  • [High Quality] This Mold cat mold made from food grade silicone, flexibility and durable to reuse. Smooth interiors to demold.
  • [Product Size] This Mold include 1 pieces silicone mold, mold size 94*66*51mm.
  • [Use To] This portrait mold could use for candle/wax/soap, resin.
  • [How to Use] Place the mold in flat place, pour melt candle/wax/soap or resin, waiting some time the material solidification, and then demold.
  • [Ideal Gift] This mold could make resin art for table decoration. Also casting soap for daily use and candle art light it up in holiday creatiing a warm atmosphere. Find more body mold in our shop to form a body mold art set and share with friends and friends.
Rank No. #16
MIMIRACLE Ghost Silicone Candle Mold Halloween Death Chocolate Molds for DIY Handmade Aromatherapy Candle Plaster Ornaments Wax Making Polymer Clay DIY Craft
  • High-quality Material: The ghost mold is made of high-quality silicone, which is durable and not easily deformed, soft, thick, tear-resistant.
  • Wide Usages: Can be used with most materials, modelling clay, epoxy resin, concrete, cement, plaster, candle, wax and more. The mold fixes the shape of the finished product, but the finished product gives us unlimited uses. Such as candle, cupcake decoration, home decor and resin crafts.
  • Easy to Demold: The ghost silicone candle mold is very easy to demold.
  • Creative Design: It is a good choice for making halloween candles at home or creating resin process, you can share as gifts with your family, friends and other DIY enthusiasts.
  • Temperature-enduring Mould: Suitable for microwave ovens, ovens, refrigerators, freezers and dishwashers. Temperature ranging from -40 to +440 degrees Fahrenheit (-40 to +230 degrees Celsius).
Rank No. #17
PerfectCast Casting Material
  • The professional's choice for casting medium
  • Preferred by professionals for its ability to capture intricate detail and durability
  • Non-toxic casting medium
  • The professional's choice for casting medium
SaleRank No. #18
2 Pcs Insect shape Silicone Trays, SENHAI 6-Cavity 3D Dragonfly Butterfly Ladybug shape Cake Baking Molds, DIY Soap Handmade Muffin Biscuit Cookie Pans - Orange, Green
  • HIGH QUALITY: Made of food grade silicone . These molds are great for making cakes, soaps, biscuits, cookies, muffins and so on.
  • SAFE TO USE: These pans are safe used in oven, microwave oven, freezer and dishwasher. Temperature safe from-40 to +446 degrees Fahrenheit (-40 to +230 degrees Celsius).
  • WIDELY USE: These Insects molds can be used to make making cake, cupcake, chocolates, candy, bread, soap, muffin, biscuit, cookie, candle, Jelly, ice cubes, party favors and more.
  • SOFT: Using hard plastic molds and sometimes the mold cracks when you try to get your pieces out. But this soft silicone mold won't crack or break like that. You can take out the cakes, soaps or biscuits easily.
  • SIZE: The size of orange mold (28.7cm * 17cm * 3cm/11.2in * 6.7in * 1.18in); Green mold (28cm * 21cm * 3.5cm/11in * 8.26in * 1.37in).
Rank No. #19
Falling in Art 1lb Plaster of Paris Powder - Hand Mold Casting Kit Powder, Gypsum Cement, Pottery & Ceramic Plaster Powder for Crafts, Sculpture, Diorama and Home Decor
  • [Safe & Best Plaster of Paris] Falling in Art starts with safety, our plaster casting powder is made from 100% natural materials, a non-toxic blend specially formulated to create the most accurately detailed casting kits from your molds or whatever you can image.
  • [Easy to Mix] (Mixing Ratio 3 Parts Water: 4 Parts Plaster) Solidify in 3-4mins and dry to a hard consistent finish in 30mins, after the mold is dried, you can paint patterns with a marker pen, watercolor pen, and other painting tools and send to others as a gift.
  • [Wide Applications] Falling in Art high-quality, quick-setting, and lightweight white plaster casting material in a waterproof bag is ideal for craft projects, patterns, commercial castings, masks, jewelry, sculptures, latex molds, and home decoration.
  • [Ideal Present] Falling in art gypsum plaster, a perfect gift for all moments - Mother's Day, birthdays, graduations, anniversaries, to create the hand mold or other nice memories.
  • [From Us] Falling in Art aims to provide tons of premium painting art supplies, brushes, easels and easel sets, canvas panels, and more to satisfy your needs to be an artist. Once you meet issues when using our products, pls feel free to contact us.
Rank No. #20
Sea Turtle Silicone Car Freshie Molds Silicone Molds for Freshies Baking Aroma Beads Car Freshie Mold DIY Handmade Freshies Mould White
  • Enjoy DIY project time with your family or friends and make unique gifts for them; You can also add some dry flowers, glitter sequins, pearl pigment, mica powder, glow in the dark powder into the resin molds.Perfect for making oval ornament, resin jewelry, resin pendant, home decorations, art projects and more.
  • silicone molds for freshies are made of high-quality 100% food grade silicone material, which are durable, non-stick, odorless and will cause no harm to human body; the molds are super smooth in surface, so it is easy to disengage from molds without leaving any residue,Can be used within the temperature between -40~220 centigrade / -40~428 fahrenheit Compare with similar items.
  • This coaster mold is made of high quality silicone - soft, flexible, durable, smooth and reusable; Easy to use and clean; Transparent material allows you to check the casting process at any moment.Simple operation, also not difficult for novices.
  • The cute cat shape highlights the unique beauty, and the graceful style reveals a lively breath. No matter what age you are in, a colorful life has always been our pursuit.Best for those who are fond of DIY crafts, you can develop your full creativity on this mold.
  • Satisfaction Guarantee - Our products run through multiple inspections and are designed with quality in mind.If for any reason you're not 100% SATISFIED, you can contact us in time. Our customer service team will help you RETURN OR REFUND.

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

How Do You Buy The Best Plaster Molds?

Do you get stressed out thinking about shopping for a great Plaster Molds? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Plaster Molds, which is why we have assembled a comprehensive list of the greatest Plaster Molds available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Plaster Molds that you consider buying. Your questions might include the following:

  • Is it worth buying an Plaster Molds?
  • What benefits are there with buying an Plaster Molds?
  • What factors deserve consideration when shopping for an effective Plaster Molds?
  • Why is it crucial to invest in any Plaster Molds, much less the best one?
  • Which Plaster Molds are good in the current market?
  • Where can you find information like this about Plaster Molds?

We’re convinced that you likely have far more questions than just these regarding Plaster Molds, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Plaster Molds, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Plaster Molds. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Plaster Molds buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Plaster Molds currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Plaster Molds has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Plaster Molds?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Plaster Molds.
  5. Customer Ratings: Number ratings grade Plaster Molds objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Plaster Molds.
  7. Product Quality: You don’t always get what you pay for with an Plaster Molds, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Plaster Molds is should be an indication of how long it will work out for you.

We always remember that maintaining Plaster Molds information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Plaster Molds is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

FAQ:

Q: How do you make plaster mold?

A: Steps Roll out a thick piece of clay and press it onto a piece of crown moulding. Peel the clay off and straighten out minor bends. Reinforce walls with wood pieces and/or strong plastic. Mix plaster of Paris and pour a little in the mould. Discard the clay and let the plaster dry until it feels dry to the touch. Trim as needed.

Q: How do you make plaster of paris mold?

A: Make molds out of plaster of Paris. Mix the plaster as directed by the manufacturer. Pour the plaster into a watertight container, such as a plastic box or a bowl. If you’re making a mold of a porous object, coat it with oil or petroleum jelly. Place the object onto the plaster.

Q: What is ceramic slip mold?

A: Ceramic molds are made of plaster as opposed to other molds being rubber, sponge, metal or plastic. The reason is that plaster absorbs water. Slip is liquid clay, it has a lot of water in it (see “What is Ceramic or Clay Slip”) and in order for it to hold a shape, the water needs to be removed.

Q: What is metal casting plaster?

A: Produced from some of the world’s purest gypsum , our industrial gypsum plaster is manufactured from exceptional raw materials, up to 99%+ pure, in carefully controlled conditions. The result is a metal casting plaster that can be consistently relied on for the highest levels of integrity.

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