The Best Mold Material For Casting Resin: What You Need To Know

Best Mold Material For Casting Resin

Mold making is an intricate art that requires a lot of patience and precision. While there’s no set method on how to cast resin, that doesn’t mean you can just go at it untrained. If you’re serious about resin casting, you need to know the best mold material for the task. Without the correct material, you won’t be able to get a good impression of your design. That said, not every material is created equal, and some are better suited for resin casting than others. Before you set off to look for the perfect mold material for resin, here’s everything you need to know.

Quick table with our top 3 picks:

Product
Roxy Epoxy Silicone Resin Mold Kit - 5pcs Casting Material for DIY Jewelry Making, Wedding Design & Personalized Home Decoration - Multipurpose Art Starter Framework
3 Pack Large Silicone Sheets for Crafts, Liquid, Resin Jewelry Casting Molds Mat, Silicone Placemat. 15.7” x 11.8” (Blue & Rose Red & Green)
Catcrafter Crystal Clear Epoxy Resin Kit Mica Powder Casting Craft supplies & materials DIY Set with Measuring Cup Molds and Pigments Glitter Paint Stir Sticks for Beginners Accessories Jewelry Making
Roxy Epoxy Silicone Resin Mold Kit - 5pcs Casting Material for DIY Jewelry Making, Wedding Design & Personalized Home Decoration - Multipurpose Art Starter Framework
3 Pack Large Silicone Sheets for Crafts, Liquid, Resin Jewelry Casting Molds Mat, Silicone Placemat. 15.7” x 11.8” (Blue & Rose Red & Green)
Catcrafter Crystal Clear Epoxy Resin Kit Mica Powder Casting Craft supplies & materials DIY Set with Measuring Cup Molds and Pigments Glitter Paint Stir Sticks for Beginners Accessories Jewelry Making
Product
Roxy Epoxy Silicone Resin Mold Kit - 5pcs Casting Material for DIY Jewelry Making, Wedding Design & Personalized Home Decoration - Multipurpose Art Starter Framework
Roxy Epoxy Silicone Resin Mold Kit - 5pcs Casting Material for DIY Jewelry Making, Wedding Design & Personalized Home Decoration - Multipurpose Art Starter Framework
Product
3 Pack Large Silicone Sheets for Crafts, Liquid, Resin Jewelry Casting Molds Mat, Silicone Placemat. 15.7” x 11.8” (Blue & Rose Red & Green)
3 Pack Large Silicone Sheets for Crafts, Liquid, Resin Jewelry Casting Molds Mat, Silicone Placemat. 15.7” x 11.8” (Blue & Rose Red & Green)
Product
Catcrafter Crystal Clear Epoxy Resin Kit Mica Powder Casting Craft supplies & materials DIY Set with Measuring Cup Molds and Pigments Glitter Paint Stir Sticks for Beginners Accessories Jewelry Making
Catcrafter Crystal Clear Epoxy Resin Kit Mica Powder Casting Craft supplies & materials DIY Set with Measuring Cup Molds and Pigments Glitter Paint Stir Sticks for Beginners Accessories Jewelry Making

Top 10 Best Mold Material For Casting Resin Reviewed

SaleBestseller No. 1
BBDINO Silicone Mold Making Kit, Mold Making Silicone Rubber 2.2 Lbs, Platinum Silicone Mold Making Rubber, 1:1 by Volume, Ideal for Casting Resins Molds & Silicone Molds ( Blue)
  • 【MIX RATIO 1A:1B BY VOLUME】no scale necessary, this silicone mold making kit comes with 2 bottles, 2.86 lb kit, part A 1.43 lb, part B 1.43 lb, very easy to use, also the bottle come with tinfoil sealed inside the cap, double guarantee for no leaking;
  • 【LOW VISCOSITY FOR EASY MIXING & POURING】this BBDINO 30A mold making silicone rubber has low viscosity so that you can easily mix and pour the silicone material, no degassing needed, the molds finished with BBDINo Silicone Rubber Mold Making 30A has great flexibility & Strength. very easy to demold, this silicone mold making kit is Great for making simple one- or two-piece block molds, no vacuum degassing is necessary
  • 【POT LIFE: 30-40 MINUTES, CURE TIME: 3-4 HOURS AT ROOM TEMPERTUARE 25℃(73.4℉)】This liquid RTV-2 mold making silicone rubber cures at room temperature with negligible shrinkage, heat cure will shorten the cure time.
  • 【PERFECT FOR ART, FOOD AND INDUSTRIAL APPLICATION】BBDINO silicone rubber is a platinum grade additional RTV-2 silicone rubber, which is widely used for mold making of arts crafts, like casting Resins, Wax, Gypsum, Concrete, Soap, Candle and also can be used as Molds Making for Candy, Chocolate, Cake and Ice Cubes
  • 【LONG SHELF LIFE & VIVID COLOR】Our BBDINO silicone mold making kit 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 Sipolysun Silicone Mold Making 30A designed with a stunning Sapphire Blue 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 Color!
SaleBestseller No. 2
Environmental Technology Castin'Craft EasyMold Silicone Putty (½ lb Kit) 2 Part Molding Compound | Food Safe & Non-Toxic | Heat-Resistant Molds for Casting Resin & Epoxy | Mold Making in Minutes
  • MOLDS IN MINUTES: Our EasyMold silicone putty lets you make fast crafts and get them done in no time. It's a quick and easy mold-making kit that reliably gets the job done in as fast as 3 minutes. Its extremely short 25-minute curing time gives you the freedom to work on as many projects as you like.
  • CAPTURE FINE DETAIL: No matter how intricate, our silicone putty ensures that every detail and feature is captured accurately. An excellent choice for small molds, you can create endless realistic copies of your DIY miniature project with ease.
  • COST-EFFECTIVE MOLD-MAKING: Your go-to choice in making reusable molds that will last for multiple castings thanks to its strong, flexible, and moldable properties. Our putty is also self-releasing, meaning you don't need any mold releasing agents.
  • CREATE YOUR OWN MOLDS: Can't find the perfect mold for your next do-it-yourself project? No worries - make your own at home with our silicone putty. Ideal for a wide range of impression-type molds for food crafts, resin, epoxy.
  • SAFE FOR FOOD CONTACT: Your safety is always our top priority. The EasyMold Silicone Putty is FDA 21 CFR 175.300 compliant which means it’s odorless, non-toxic, and absolutely food safe. Go ahead and make your candy molds and give your kids a reason to get excited!
Bestseller No. 3
24 PCS Resin Fillers for Jewelry Making Kit, Youthful Mini Jellyfish Models for Silicone Resin Casting Fillers, Mini Mushroom Molds for Epoxy Resin Filling Material - 3D Landscape Accessories (#B)
  • 【Package Includes】Come with 24 pcs 3D modeling for resin mold fillers, which include 15 pcs 3D mini jellyfish resin fillers for resin casting and 9 pcs 3D mini mushroom resin fillers for resin casting
  • 【Premium Material】The tiny jellyfish miniature figurines & tiny mushroom miniature figurines for resin casting are made of high quality plastic, mushroom molds and Jellyfish molds are durable to use and not easy to break
  • 【Exquisite Details】3D stereo natural shape, vivid and realistic. The details are in place and the portrayal is exquisite, which is very suitable for making forest landscape modeling ornaments
  • 【Easy to Operate】Just put the mini mushroom figurines and mini jellyfish figurines in to the silicone resin mold/resin casting mold/resin epoxy moldwhen making or can be placed and displayed as a micro landscape figurines due to the epoxy resin filling materials are very mini
  • 【Wide Applications】What on earth can these be applied to? Filled in resin mold/silicone mold/casting mold/epoxy mold, necklaces pendants jewelry DIY making, simulated forest landscape embellishments, art glass crafts and other handmade crafts will make this be the most welcome set
SaleBestseller No. 4
3 Pack Large Silicone Sheets for Crafts, Liquid, Resin Jewelry Casting Molds Mat, Silicone Placemat. 15.7” x 11.8” (Blue & Rose Red & Green)
  • Silicone Mat: Made of High Quality Silicone, Non-Skid, Heat-Resistant, Durable and Stable, not Easy to Deform or Tear Up. Table Protector, Great Assistant Tool for DIY Craft.
  • A3 Size and Colors: Package include 3 Large Silicone Sheets, 15.7” x 11.8”(30cm x 40cm), large enough to catch most mess, Bright Colors(Blue & Rose Red & Green) Add Vitality to Your Life and Keep a Good Mood.
  • Easy to Clean & Store: The Silicone Sheets are Washable, Flexible, Clean with Cloth and Warm Soapy Water Wipe. Flexible and Lightweight, Easy to Fold or Roll Up, Takes up Minimal Space, Convenient to Store and Carry on.
  • Temperature Resistance: -20℉~446℉(-30℃~230℃) Can Be Used in Oven, Microwave Oven, Refrigerator.
  • Multipurpose Mats: Great for Resin Molds Crafts, Jewelry, Casting Molds and Other DIY Tools and Materials, As Well As Pot Holder, Coasters, Dish Mats, Tableware, Trivet, Heat Insulated Pads, Also the Indispensable Tool For Dining Tables, Kitchens, or Bedrooms.
SaleBestseller No. 5
Silicone Resin Molds 5Pcs Resin Casting Molds Including Sphere, Cube, Pyramid, Square, Round with 1 Measuring Cup & 5 Plastic Transfer Pipettes for Resin Epoxy, Candle Wax, Soap, Bowl Mat etc
  • HIGH QUALITY MATERIAL: These resin silicone molds are made of durable silicone by advanced techniques.With the flexible, smooth and reusable epoxy molds,you can use, de-mold and clean them easily. There are nonstick silicone measuring cup and high quality plastic pipettes.
  • VARIOUS SHAPES: 5Pcs casting molds including Sphere, Cube, Pyramid, Square, Round to meet your various need . Equipped with 1 silicone measuring cup and 5 plastic pipettes to make your creation more convenient.
  • EASY TO RELEASE AND CLEAN: Keep the resin molds smooth and clean interior before use, so it’s easy to twist the silicone mold and pop out your finished resin items after it’s completely cured ; clean the epoxy molds with soap water and storage them away from direct sunshine and dust.
  • MULTI-PURPOSE: These slicone resin molds are compatible with most resins or other casting materials such as epoxy resin, soap, bath bomb, candle, beverage coaster, bowl mat etc. Perfect for your DIY handwork and give you a wonderful resin-making experience.
  • QUALITY GUARANTEE: We try our very best to make good epoxy resin molds. But if you are not satisfied with your purchase or you have any questions, please feel free to contact us at anytime. We’re happy to help.
SaleBestseller No. 6
Miraclekoo Silicone Mold Making Kit Liquid Silicone Rubber Molding Silicone Translucent Clear Mold Making Silicone for Resin Molds, Silicone Molds DIY Manual Making (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 12 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.HOW to CLEAN: If there's any spill, please clean with soapy water or rubbing alcohol.
SaleBestseller No. 7
Catcrafter Crystal Clear Epoxy Resin Kit Mica Powder Casting Craft supplies & materials DIY Set with Measuring Cup Molds and Pigments Glitter Paint Stir Sticks for Beginners Accessories Jewelry Making
  • 🎨【ALL IN ONE PACKAGE WITH 1 TWEEZER】Catcrafter Crystal Clear Epoxy Resin Kit comes with a Resin of 204ML/ 6.9FL.OZ, a hardener of 204ML/ 6.9FL.OZ, 32 Different and colorful Assorted Colors Mica Powder Packs, 10 Plastic Cups with the size of 30ML, 2 Measuring Cups with the size of 100ML, 5 Pipettes, 1 Silicone Mat, 10 Mixing or Paint Stir Sticks, 10 Finger Cots, 1 Tweezer, 10 Bamboo needles, 2 Plastic Orifice Caps, and an Instruction book to make things easier incase you find things complicated.
  • 🎨【32 ASSORTED COLORS MICA POWDER WITH COLORFUL PACKAGE】32 assorted Mica Powder Packs with different colors, each bag 5g with assorted colors. Use these powders to tint your Amazing Clear Cast for jewelry and more. 160g total. Colors are chosen at random. Also comes with a colorful package to gift to any person who loves to create arts and crafts and creativity in things.
  • 🎨【FUN AND CREATIVE AND EASY TO USE】It is very easy to use for beginners. If not, we also provide a book full of instructions to guide you through every step to create things and be more creative and jewelry making and custom-made things and have a fun time with friends and family.
  • 🎨【NON-TOXIC RESIN AND DURABLE MATERIAL】Self-leveling, self-degassing, low-odor, non-toxic, no fumes, resistant to yellowing from UV exposure and long-lasting, this clear epoxy resin for all of your casting and coating applications. With all the durable materials it is the best Resin Craft supplies & materials DIY Kit in the market.
  • 🎨【PEFECT GIFT WITH 30 DAYS GURANTEE】Buy with confidence with 30 days Money back guarantee. A perfect gift for any age. Avail of this offer today so that you can secure your time and creativity and create your own custom made jewelry and keychains and a lot of things.
SaleBestseller No. 8
Zoncolor Epoxy Resin Silicone Molds Kit - Crystal Clear Casting Keychain DIY Craft Supplies & Materials Accessories Kits Jewelry Making for Beginners Measuring Cup Mat Glitter Paint Stir Sticks
  • ✨【80 PCS EASY FUN AND CREATIVE】Our Epoxy resin UV Craft Supplies are perfect and easy to make comes with Instruction so that you do not get stuck at any point. It is fun and creative for all DIY handmade lovers or beginners who are just new to resin crafting or design Making. Come on join us and share your creative resin projects to us!
  • ✨【20 COLORS ALL IN ONE PACKAGE】Zoncolor Epoxy UV Resin Kit included 1 Resin and 1 hardener, silicone measuring cups, wooden stirrers scraper, mixing sticks, finger cots, plastic cups, tweezer, droppers, plastic orifice cap, silicone mat, gold leaf, glitters colors epoxy rein pigments, 4 molds and instructions
  • ✨【WIDELY USED WITH VARIOUS TOOLS AND 4 MOLDS】The molds can be used for DIY design making such as home or office decor. It can also be mixed with colorants, glitter to get colorful finishes. Our widely used kit is the best kit you can have that will not bore you at all.
  • ✨【NON-TOXIC AND DURABLE】Made of high-quality and non-toxic materials. Resin and hardening part with self-leveling and self-degassing properties can cure smooth crystal clear and glassy finish. Anti-scratch, anti-stain, low shrinkage with everything included in one package.
  • ✨【30 DAYS GURANTEE】Buy with confidence with 30 days Money back guarantee. Avail of this offer today so that you can secure your children's time and creativity and help them use their imagination.
SaleBestseller No. 9
UV Resin, 2PCS 100g Crystal Clear Ultraviolet Epoxy Resin, Non-Toxic Hard Transparent Glue Solar Cure Sunlight Resin for Handmade Jewelry DIY Mold Casting and Coating
  • CONVENIENT & EFFICIENT: UV resin is ready to use, No need mixing. Instantly cure hard in minutes with UV lamp or sunlight.It has a much faster drying time than AB resin
  • LESS ODOR: Masney Ultraviolet resin is self degassing.The smell would go away after finishing curing the resin. It cures smooth crystal clear, shiney, and yellowing resistance
  • SAFE : Masney hard type craft resin is made of high-quality, non-toxic materials that are safe for everyday use. Environment friendly
  • WIDELY USED: Suitable for making jewelry, phone cases, handcrafted decorations, casting and coating etc.You can be mixed with mica powder, colorants, glitter to get colorful finishes
  • 100% Happy:Package includes 2PCS 100g transparent UV resin . Click Add to Cart and make sure to to produce you're best artwork
Bestseller No. 10
Roxy Epoxy Silicone Resin Mold Kit - 5pcs Casting Material for DIY Jewelry Making, Wedding Design & Personalized Home Decoration - Multipurpose Art Starter Framework
  • Silicone Resin Mold Set: Use our silicone molds for resin to create everyday objects that look like true pieces of art; Reliable and top-quality mold set that is designed both for beginners and experienced epoxy artists
  • Unleash Your Inner Artist With A Resin Art Molds - Super-easy to use resin mold kit, just follow these simple steps: prepare the resin, then add fillers and colors. Pour into the mold and demold after fully cured. That's all there is to it
  • Everything You Need Is Included: 5-piece set of molds for epoxy resin, 5 droppers, and 1 measuring cup. All you need is a bit of resin and a lot of imagination. The rest comes in the package. Now find what inspires you
  • User-Friendly And Top-Quality Bundle of Molds: Easy to work with, so you won't have problems when demolding your piece of art; Silicone Resin Mold Set doesn't take up too much space, so you can put it anywhere you want
  • Durable, Resilient, And Easy To Maintain: Roxy Epoxy Molds are low-maintenance items: just use soap or dish detergent for washing; You can use them for years to come as they will become your favorite tool when working with epoxy

How To Choose The Best Mold Material For Casting Resin?

​​1. What is the material used for?

​The best mold material should be able to withstand high temperatures and provide a strong impression of your design. You also need to consider how easy it is to work with the material you’re looking at. For example, if you decide to go with polyurethane foam, you need to make sure that it’s easy to cut, heat and mold.

​2. What are its properties?

If possible, check out the product specifications or look up reviews online before buying a foam of any kind. Make sure that the foam can withstand high temperatures without melting or cracking, and that it can withstand stress without breaking down in use. 

​3. How durable is it?

Most molds are designed for use with resin only once — so make sure you buy a mold that will stand up to repeated use for years on end. If you want something designed for multiple castings over time, choose a more durable material.

​4. How easy is it to work with?

​If you want to make molds for resin casting, you’ll need a strong and durable material that’s easy to cut or sand, as well as heat and mold.

​5. How much should I spend on a mold?

​If you want to make a lot of molds, there are some cheaper materials (like cardboard) that will suffice — but if you want your replicas to be perfect, investing in the best material is worth the cost. There are many different types of polyurethane foam out there — so once again, check reviews online before buying any molding material.

6. How To Make Your Own Mold For Casting Resin

​If making your own molds isn’t something that interests you, then check out the many options available online or at craft stores like Michaels and Hobby Lobby. Just make sure it can withstand high temperatures without melting or cracking, and that it can withstand stress without breaking down in use.

Final Words

Making a replica of anything can be challenging, but it doesn’t have to be hard. After reading this article, you’ll know how to make a mold and cast resin. You can make all kinds of replicas and even create your own designs thanks to resin casting. If you want to make your home décor or gifts a little more special, resin casting is an affordable and fun way to do so.

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