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mold making silicone selection

10 Best Mold Making Silicones to Perfect Your Crafting Skills

To perfect your crafting skills, consider the LET’S RESIN Silicone Putty Mold Making Kit. It has a quick 5-minute working time and sets in just 15-20 minutes. If you need something food-safe, the BBDINO Jade Green kit is ideal, curing in 4 hours. For larger projects, the BBDINO 1 Gallon offers flexibility with 30 minutes working time. Explore various hardness options, like the 30A kits from LET’S RESIN, which suit intricate designs. Keep exploring for more insights and choices!

Key Takeaways

  • Choose silicone with a suitable hardness for your project: softer for detail, mid-range for balance, and harder for durability.
  • Opt for food-safe silicone if you’re making molds for baking or food-related projects to ensure safety.
  • Consider working and curing times: shorter times are better for urgent projects, while longer times allow for more detailed work.
  • Look for versatile silicone that can be used with resin, soap, plaster, and wax for greater crafting flexibility.
  • Prioritize non-toxic and environmentally friendly silicones to minimize health risks and ensure safe crafting experiences.

Our Favorite Mold Making Silicone Picks

LET’S RESIN Silicone Putty Mold Making Kit (1LB)LET'S RESIN Silicone Putty Mold Making Kit (1LB)Best for BeginnersVolume: 1LB (16 oz)Hardness: 40AMixing Ratio: 1:1 by weightVIEW LATEST PRICERead Our Analysis
BBDINO Silicone Mold Making Kit (Jade Green)BBDINO Silicone Mold Making Kit (Jade Green)Easy MixingVolume: 21.16 ozHardness: Not specifiedMixing Ratio: 1:1 by volumeVIEW LATEST PRICERead Our Analysis
LET’S RESIN 8oz Silicone Mold Making KitLET'S RESIN 8oz Silicone Mold Making KitIdeal Trial KitVolume: 8 ozHardness: Not specifiedMixing Ratio: 1:1 by weightVIEW LATEST PRICERead Our Analysis
BBDINO Silicone Mold Making Kit 1 GallonBBDINO Silicone Mold Making Kit 1 GallonBest QuantityVolume: 1 Gallon (160 oz)Hardness: 30AMixing Ratio: 1:1 by volumeVIEW LATEST PRICERead Our Analysis
CHANGTIKEJI Silicone Mold Making Kit (210 OZ)CHANGTIKEJI Silicone Mold Making Kit (210 OZ)Comprehensive KitVolume: 210 ozHardness: 10AMixing Ratio: 1:1 by weightVIEW LATEST PRICERead Our Analysis
Platinum Cure Liquid Silicone Rubber 15A (66oz)Platinum Cure Liquid Silicone Rubber 15A (66oz)Precision PerformanceVolume: 66 ozHardness: 15AMixing Ratio: Not specifiedVIEW LATEST PRICERead Our Analysis
LET’S RESIN Silicone Mold Making Kit 72ozLET'S RESIN Silicone Mold Making Kit 72ozUser-Friendly OptionVolume: 72 ozHardness: 20AMixing Ratio: 1:1 by weightVIEW LATEST PRICERead Our Analysis
LET’S RESIN Silicone Mold Making Kit 30ALET'S RESIN Silicone Mold Making Kit 30AHeavy-Duty ChoiceVolume: 160 oz (10 lbs)Hardness: 30AMixing Ratio: 1:1 by weightVIEW LATEST PRICERead Our Analysis
BBDINO Silicone Mold Making Kit (30A Sapphire Blue)BBDINO Silicone Mold Making Kit (30A Sapphire Blue)Best for CraftsVolume: 70.6 ozHardness: 30AMixing Ratio: 1:1 by volume or weightVIEW LATEST PRICERead Our Analysis
Bond Craftor Silicone Mold Making Kit 64ozBond Craftor Silicone Mold Making Kit 64ozVersatile UseVolume: 64 ozHardness: 15AMixing Ratio: 1:1 by weightVIEW LATEST PRICERead Our Analysis

More Details on Our Top Picks

  1. LET’S RESIN Silicone Putty Mold Making Kit (1LB)

    LET'S RESIN Silicone Putty Mold Making Kit (1LB)

    Best for Beginners

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    If you’re looking for a versatile crafting option, the LET’S RESIN Silicone Putty Mold Making Kit (1LB) is perfect for you. This kit contains two parts, A (blue) and B (white), which you mix equally by hand. You’ll have 5 minutes to work with it before it starts to set. In just 15-20 minutes, you’ll be able to remove your creations. The silicone is high-quality, non-toxic, and odorless, ensuring safety during use. Plus, it can handle temperatures up to 392℉/200℃. With this kit, you can create molds for resin, soap, wax, and more, making it endlessly useful.

    • Volume:1LB (16 oz)
    • Hardness:40A
    • Mixing Ratio:1:1 by weight
    • Curing Time:15-20 minutes
    • User-Friendly:Yes, no tools required
    • Material Quality:Non-toxic silicone
    • Additional Feature:5-minute working time
    • Additional Feature:Demolds in 15-20 minutes
    • Additional Feature:Odorless and non-toxic
  2. BBDINO Silicone Mold Making Kit (Jade Green)

    The BBDINO Silicone Mold Making Kit in jade green is perfect for both beginner crafters and experienced artisans looking to create durable molds. This kit includes two 10.58-ounce bottles, totaling 21.16 ounces. Designed for various applications, you can use it for resin, plaster, and even jewelry. With its low viscosity, mixing and pouring are hassle-free and don’t require special equipment. It cures in about four hours at room temperature and works safely with food, making it versatile for different projects. Plus, the lovely jade green color helps ensure your components mix correctly, so you can create confidently.

    • Volume:21.16 oz
    • Hardness:Not specified
    • Mixing Ratio:1:1 by volume
    • Curing Time:4 hours
    • User-Friendly:Yes, low viscosity and easy mixing
    • Material Quality:Platinum-grade silicone
    • Additional Feature:Stunning jade green color
    • Additional Feature:Low viscosity for easy pouring
    • Additional Feature:Long shelf life over a year
  3. LET’S RESIN 8oz Silicone Mold Making Kit

    LET'S RESIN 8oz Silicone Mold Making Kit

    Ideal Trial Kit

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    Crafting enthusiasts will find the LET’S RESIN 8oz Silicone Mold Making Kit an excellent choice for their projects. This kit provides everything you need to start: 8oz of silicone rubber, two stirring sticks, and measuring cups. The mixing ratio is simple, at 1:1, needing just three minutes of stirring. With a working time of 30-40 minutes, your molds cure in 3-6 hours at room temperature. Made from platinum-cured silicone, it’s non-toxic and flexible, making it ideal for creating detailed molds. Plus, its translucent color allows for the addition of pigments, letting your creativity shine through.

    • Volume:8 oz
    • Hardness:Not specified
    • Mixing Ratio:1:1 by weight
    • Curing Time:3-6 hours
    • User-Friendly:Yes, includes basic tools
    • Material Quality:Platinum-cured silicone
    • Additional Feature:Includes stirring sticks and cups
    • Additional Feature:Automatic bubble elimination within 2 hours
    • Additional Feature:Compatible with glow-in-the-dark pigments
  4. BBDINO Silicone Mold Making Kit 1 Gallon

    BBDINO Silicone Mold Making Kit 1 Gallon

    Best Quantity

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    For anyone interested in arts and crafts, the BBDINO Silicone Mold Making Kit 1 Gallon is a top choice. This kit contains 10 pounds of silicone, allowing you to create multiple molds with a simple 1:1 mix ratio. You won’t need a weighing scale, as it features tinfoil-sealed caps to prevent leaks. Its low viscosity makes pouring easy, and you won’t need a vacuum chamber for degassing. The molds are flexible and strong, enabling quick demolding. With a working time of 30 minutes and a cure time of 3-4 hours, you can complete your projects efficiently. Plus, it’s food-safe!

    • Volume:1 Gallon (160 oz)
    • Hardness:30A
    • Mixing Ratio:1:1 by volume
    • Curing Time:3-4 hours
    • User-Friendly:Yes, no scale required
    • Material Quality:Platinum-grade silicone
    • Additional Feature:Sapphire Blue color for visibility
    • Additional Feature:Ease of use; no scale needed
    • Additional Feature:Great flexibility for easy demolding
  5. CHANGTIKEJI Silicone Mold Making Kit (210 OZ)

    CHANGTIKEJI Silicone Mold Making Kit (210 OZ)

    Comprehensive Kit

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    If you’re looking for a reliable solution for creating molds in your crafting projects, the CHANGTIKEJI Silicone Mold Making Kit is an excellent choice. It offers 210 oz of platinum cure silicone, consisting of two bottles, each containing 105 oz. At 6.55 kg, it’s manageable yet offers substantial material. This kit includes six bags of mica powder in various colors, allowing for diverse projects. With a mix ratio of 1:1 and a 40-minute working time, you’ll find it user-friendly. It’s perfect for mold making with resin, soap, or even ice. Plus, you get 24-hour online support for any questions.

    • Volume:210 oz
    • Hardness:10A
    • Mixing Ratio:1:1 by weight
    • Curing Time:2-4 hours
    • User-Friendly:Yes, easy mixing and application
    • Material Quality:Food-grade silicone
    • Additional Feature:Includes mica powder pack
    • Additional Feature:Highly elastic and flexible
    • Additional Feature:24-hour online customer support
  6. Platinum Cure Liquid Silicone Rubber 15A (66oz)

    Platinum Cure Liquid Silicone Rubber 15A (66oz)

    Precision Performance

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    Platinum Cure Liquid Silicone Rubber 15A (66oz) is designed for anyone looking to create detailed, high-quality molds. This type of silicone features a low viscosity, allowing it to flow smoothly into intricate shapes. After full curing, it’s safe for food contact, making it perfect for chocolate or candy molds. With a 15A hardness, it balances softness and strength, enabling easy demolding without tearing. For precise casting tasks, this product offers excellent tear resistance and stability. Each batch cures in about eight hours, ensuring you’re ready to craft with confidence. It includes helpful components like gloves and measuring cups.

    • Volume:66 oz
    • Hardness:15A
    • Mixing Ratio:Not specified
    • Curing Time:8 hours
    • User-Friendly:Yes, includes tools
    • Material Quality:Platinum-cured silicone
    • Additional Feature:High precision for exact details
    • Additional Feature:Waterproof and durable
    • Additional Feature:Suitable for electronic encapsulation
  7. LET’S RESIN Silicone Mold Making Kit 72oz

    LET'S RESIN Silicone Mold Making Kit 72oz

    User-Friendly Option

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    Crafting enthusiasts will find the LET’S RESIN Silicone Mold Making Kit 72oz to be an excellent choice for their projects. This kit features non-toxic platinum silicone rubber with a Shore hardness of 20A. You’ll appreciate its premium quality, ensuring safety for skin contact. Mixing is simple; combine equal parts (1:1) by weight. Work time is 40 minutes with full curing in 4-6 hours at room temperature. High elasticity makes demolding easy and prevents deformation. Ideal for resin, candle, and soap molds, it’s a versatile tool for both beginners and experienced crafters alike. Just remember, it’s not suitable for food molds.

    • Volume:72 oz
    • Hardness:20A
    • Mixing Ratio:1:1 by weight
    • Curing Time:4-6 hours
    • User-Friendly:Yes, beginner-friendly
    • Material Quality:Non-toxic platinum silicone
    • Additional Feature:Excellent fluidity for details
    • Additional Feature:Long-lasting reuse capability
    • Additional Feature:Not suitable for food molds
  8. LET’S RESIN Silicone Mold Making Kit 30A

    LET'S RESIN Silicone Mold Making Kit 30A

    Heavy-Duty Choice

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    The LET’S RESIN Silicone Mold Making Kit 30A is an excellent choice for DIY enthusiasts and professionals alike. This kit offers 160oz of platinum-cured silicone, divided into two 80oz bottles. It’s non-toxic and odorless, making it safe for various projects, like resin and candles. The silicone’s self-degassing feature eliminates the need for a vacuum machine. You can expect low bubbles and a working time of 30 minutes, with curing taking anywhere from 3 to 6 hours. Plus, you can reuse your molds 500 to 1000 times! Just remember to avoid contaminants for best results, and read the instructions carefully.

    • Volume:160 oz (10 lbs)
    • Hardness:30A
    • Mixing Ratio:1:1 by weight
    • Curing Time:3-6 hours
    • User-Friendly:Yes, simple mixing
    • Material Quality:Platinum-cured silicone
    • Additional Feature:Large volume for multiple molds
    • Additional Feature:Reusable up to 1000 times
    • Additional Feature:Self-degassing; no vacuum needed
  9. BBDINO Silicone Mold Making Kit (30A Sapphire Blue)

    BBDINO Silicone Mold Making Kit (30A Sapphire Blue)

    Best for Crafts

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    Ideal for DIY enthusiasts and artists, the BBDINO Silicone Mold Making Kit (30A Sapphire Blue) offers a straightforward solution for creating custom molds. This liquid silicone is easy to mix, with a 1A:1B ratio by weight or volume. You’ll appreciate the low viscosity, which means you won’t need a vacuum chamber for mixing. With a long working time of 30 minutes and a cure time of just 5 hours, you’ll have ample time to craft. Molds made from this platinum-grade silicone can be reused hundreds of times, making it an ideal choice for various projects, from jewelry to sculptures.

    • Volume:70.6 oz
    • Hardness:30A
    • Mixing Ratio:1:1 by volume or weight
    • Curing Time:5 hours
    • User-Friendly:Yes, includes additional mixing components
    • Material Quality:Platinum-grade silicone
    • Additional Feature:Included mixing sticks and gloves
    • Additional Feature:Long working time; 30 minutes
    • Additional Feature:Unique art craft kit
  10. Bond Craftor Silicone Mold Making Kit 64oz

    Bond Craftor Silicone Mold Making Kit 64oz

    Versatile Use

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    For those looking to dive into mold making, the Bond Craftor Silicone Mold Making Kit is an excellent choice. This 64oz kit features 15A Platinum Silicone, providing an ideal hardness for creating molds. It’s non-toxic, odorless, and environmentally friendly, making it safe for various projects. You’ll find it perfect for resin jewelry, DIY soap, and more. To use it, mix one part silicone with one part catalyst. Stir for 3-5 minutes, and the curing time is around 4-6 hours at room temperature. Its flexibility allows for easy demolding and reuse, ensuring your molds last for multiple crafting sessions.

    • Volume:64 oz
    • Hardness:15A
    • Mixing Ratio:1:1 by weight
    • Curing Time:4-6 hours
    • User-Friendly:Yes, easy de-molding
    • Material Quality:15A Platinum silicone
    • Additional Feature:Translucent for easy observation
    • Additional Feature:Good tear resistance properties
    • Additional Feature:Environmentally friendly materials

Factors to Consider When Choosing Mold Making Silicone

When choosing mold making silicone, you need to consider several key factors. Silicone hardness affects how flexible or rigid your mold will be, while working time plays a crucial role in how long you have to mix and pour before it sets. Also, think about safety, curing time, and how easy it is to mix and apply the silicone for your projects.

Silicone Hardness Selection

Choosing the right silicone hardness for your mold is crucial, especially if you want your creations to come out smoothly. Silicone hardness is measured on the Shore durometer scale, typically ranging from 10A to 30A. Softer silicone, below 20A, is great for intricate designs, allowing easy removal but lacking long-term durability. If you need both detail and strength, opt for mid-range hardness, typically between 20A to 25A. For durable molds that can handle heavy applications, choose silicone above 25A. Always consider your specific application and the casting materials, as the silicone must endure their heat and weight. Picking the right hardness will ensure your final products meet your expectations.

Working Time Duration

Understanding working time duration is essential for successful mold making with silicone. It refers to the time you have to mix and use the silicone before it starts to cure. This can range from just 5 minutes to 40 minutes, depending on the formulation. If you’re working on intricate projects, a longer working time lets you make precise applications and corrections. However, if you’re in a hurry, a shorter working time might be beneficial. Keep in mind, your total project time includes curing time, often lasting from a few hours to overnight. Temperature and humidity also affect working time, with warmer conditions typically speeding up the curing process. So, plan accordingly for optimal results.

Safety and Toxicity Level

Safety should be a top priority when working with mold making silicone. Always choose products labeled as non-toxic and odorless to reduce health risks. Opting for platinum-cured silicone can be a smart choice, as it’s generally safe for food contact and skin contact. This makes it ideal for various crafting projects. Be sure to check for safety certifications or compliance with regulatory standards, especially if you plan on making food-related items. Additionally, watch out for potential allergens in the silicone; select formulas that state they are free from harmful substances. Lastly, ensure proper ventilation during the curing process, as this can help mitigate any unpleasant odors or fumes, creating a safer crafting environment.

Curing Time Considerations

When selecting mold making silicone, curing time is a crucial factor to consider. The curing time can vary widely, with some silicones curing within 2 to 8 hours and offering a working time of 5 to 40 minutes. Warmer temperatures often speed up this process, while high humidity can slow it down. Silicones with low viscosity can help reduce bubbles, leading to faster curing times than thicker options. It’s essential to follow the manufacturer’s recommendations for optimal results. Understanding curing time affects your mold’s flexibility and durability, which are vital for your project’s success. Always factor in your working environment and specific needs to choose the best silicone for your crafting goals.

Viscosity and Mixing Ease

Choosing a mold-making silicone with the right viscosity can significantly simplify your crafting experience. Low viscosity silicones mix smoothly, making it easier to combine components without air bubbles. This feature often eliminates the need for vacuum degassing tools, saving you time and effort.

Typically, a 1:1 mixing ratio by weight or volume ensures proper blending for optimal performance. Keep in mind that the working time varies; lower viscosity silicones may set quicker, leaving you less time to work. Fortunately, they often cure faster, which can speed up your production process. Overall, selecting a low viscosity silicone can enhance the mixing ease and effectiveness, helping you create better molds with minimal hassle.

Frequently Asked Questions

What Is the Shelf Life of Mold Making Silicone Kits?

Mold making silicone kits typically have a shelf life of one to two years. It’s crucial to store them at room temperature in a cool, dry place. If you notice any discoloration or a change in consistency, it’s best to dispose of them. Remember, “A stitch in time saves nine”; checking your materials regularly ensures your projects won’t go awry. Using expired silicone may lead to poor mold integrity, so stay vigilant!

Can I Mix Different Brands of Silicone for Mold Making?

You can mix different brands of silicone for mold making, but it’s risky. Brands often use different chemical formulations, which might not work well together. If you decide to mix, use equal parts from each brand to maintain consistency. Always test a small batch first to see how they react. For example, if one brand cures faster, it can affect the overall result. Stick to one brand for the best outcome in your projects.

How Do I Store Leftover Silicone After Use?

To store leftover silicone after use, seal it tightly in an airtight container. It’s crucial to prevent air from getting in, which can cause the silicone to cure prematurely. If possible, use a vacuum-sealed bag. Label the container with the date and type of silicone for future reference. Keep it in a cool, dry place, ideally below 75°F (24°C). Following these steps helps ensure your leftover silicone stays usable for your next project.

Are Silicone Molds Food-Safe for Baking?

Yes, many silicone molds are food-safe and great for baking. Look for molds labeled “food-grade silicone.” They should withstand temperatures up to 450°F. Before using, wash them with warm, soapy water to remove any dust. Verify they’re free from harmful chemicals like BPA. For baking, typical measurements are around 8 inches in diameter for cakes. Don’t forget, it’s crucial to let them cool before removing your tasty creations!

How Long Does Silicone Take to Cure Completely?

Silicone typically takes 24 to 48 hours to cure completely, depending on the type you’re using. Most silicone molds need to stay at room temperature while curing, as this helps achieve the best results. It’s essential to read the manufacturer’s instructions for specific curing times, since some products may cure faster. After curing, it’s safe to use molds for various projects, but patience is key to ensure everything hardens properly.