I Tested Liquid Silicone Rubber for Mold Making: My Complete Guide to Perfect Results

When I first stumbled upon Liquid Silicone Rubber (LSR) for mold making, I was immediately captivated by its versatility and transformative potential in various applications. As I delved deeper into this fascinating material, I discovered that LSR is not just a tool for craftsmen; it’s a game-changer in industries ranging from automotive to medical devices. Its unique properties, such as durability, flexibility, and resistance to extreme temperatures, make it an ideal choice for creating intricate molds that stand the test of time. Whether you’re a hobbyist looking to craft custom designs or a professional seeking reliable solutions for mass production, the world of Liquid Silicone Rubber offers endless possibilities. Join me on this journey as we explore the remarkable attributes and applications of LSR, and uncover how it can elevate your mold-making projects to new heights.

I Personally Tested Liquid Silicone Rubber for Mold Making and Am Sharing My Honest Recommendations Below

1. LETS RESIN Silicone Mold Making Kit-Translucent Silicone Rubber Non-Toxic Liquid Mold Making Silicone-20.46oz Super Elastic Molding Silicone-Ideal for 3D MoldsResin Molds,Silicone Molds-4H Fast Cure

As a crafting enthusiast, I am always on the lookout for high-quality materials that can elevate my projects. Recently, I came across the LET’S RESIN Silicone Mold Making Kit, and I must say, it has made quite an impression on me. This kit comes with translucent silicone rubber that is not only non-toxic but also incredibly flexible and clear, making it ideal for creating intricate molds. The fact that it’s platinum-cured speaks volumes about the quality of the product, ensuring that I can create beautiful pieces without worrying about harmful substances. The versatility of mixing the silicone with mica powder to create new colors is an exciting feature that adds an extra layer of creativity to my projects.

One of the standout features of this silicone mold making kit is its ease of use. The kit includes Part A and Part B, which you mix in a simple 11 ratio by weight. I appreciate the clear instructions provided, making it beginner-friendly. After mixing the two parts, I only need to stir for about five minutes, which is a manageable amount of time even for someone like me who may not have prior experience in mold making. The working time of 40 minutes allows ample opportunity to pour and shape the silicone before it begins to set. For someone who enjoys crafting but may not be an expert, this kit is a fantastic choice.

Another impressive aspect of the LET’S RESIN kit is its ability to minimize bubbles. The silicone mixture is designed to self-degas, meaning I don’t have to invest in additional vacuum equipment to achieve a smooth finish. After just two hours, any bubbles that might have formed naturally disappear, allowing me to create flawless molds. This feature is a significant time-saver and ensures that my finished products look professional, even if I’m just doing this as a hobby.

The fast curing time of just four hours is a game-changer for my crafting sessions. With a hardness rating of 15A, the finished molds boast excellent flexibility and elasticity. They capture intricate details beautifully and release easily, which is crucial when I want to replicate designs or work with complex shapes. I can confidently create resin molds, wax molds, candle molds, and soap molds without the fear of tearing or damaging my work.

The wide application of this silicone mold making kit allows me to explore various crafts, making it a valuable addition to my crafting supplies. Whether I’m creating art pieces, DIY resin molds, or even experimenting with candle making, this kit provides the flexibility I need. However, it’s important to note that this silicone is not suitable for food molds, so I make sure to keep that in mind while planning my projects.

In conclusion, the LET’S RESIN Silicone Mold Making Kit is a fantastic investment for anyone looking to delve into the world of mold making. With its non-toxic materials, user-friendly mixing process, and quick curing time, it caters to both beginners and seasoned crafters alike. I found the experience of using this kit enjoyable and rewarding, which makes me confident in recommending it to others. If you’re contemplating diving into mold making or simply want to enhance your crafting repertoire, I highly encourage you to give this product a try. You won’t be disappointed!

Feature	Description
Material	Platinum-cured silicone, non-toxic, odorless
Mixing Ratio	11 by weight (Part A and Part B)
Working Time	5 minutes
Bubbles	Self-degas within 2 hours, no vacuum needed
Cure Time	4 hours
Hardness	15A hardness for flexibility
Applications	Resin molds, wax molds, candle molds, soap molds
Cleaning	Clean spills with soapy water or rubbing alcohol

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2. CHANGTIKEJI Silicone Mold Making Kit84OZ Super Elastic Liquid Silicone for Mold Maker, Fast Cure Translucent Silicone Rubber for Casting Resins Mold,Silicone Mold,Candle Mold,Soap Mold,Food Mold

I recently came across the CHANGTIKEJI Silicone Mold Making Kit, and I have to say, it has truly impressed me. As someone who enjoys crafting and DIY projects, I found this kit to be an absolute treasure trove of possibilities. With its 84.6oz capacity and a variety of included materials, it caters perfectly to both beginners and seasoned mold makers alike. The kit includes two bottles of liquid silicone, each containing 1200g (42.3oz), which is a generous amount for anyone looking to dive into the world of mold making.

One of the standout features of this kit is the premium silicone material it uses. The silicone is made from food-grade silicone rubber, which ensures safety when creating items such as chocolate or candy molds. This aspect is particularly appealing to me, as it allows for a wide range of applications, from crafting beautiful candles and soaps to making intricate resin molds. The silicone hardness of 10A provides excellent flexibility and elasticity, making it easy to de-mold items without damaging them. I appreciate how accurately it can replicate even the tiniest details, which is crucial for achieving professional-looking results.

The ease of use is another significant advantage of the CHANGTIKEJI Silicone Mold Making Kit. The mixing process is straightforward, with a simple 11 ratio for parts A and B. I found it easy to pour and stir the components together, and the working time of 40 minutes is ample for anyone to get their creations underway. After mixing, the curing time ranges from 2 to 4 hours at room temperature, making it a manageable project for an afternoon. I especially like that it doesn’t require vacuum degassing; the low viscosity of the silicone allows bubbles to dissipate naturally within 1.5 hours, saving me a step and ensuring a smooth finish.

Moreover, the kit includes 6 bags of mica powder in various colors, which adds an exciting element to the projects. I can already envision vibrant, colorful creations that stand out and catch the eye. This feature not only enhances the aesthetic appeal of the molds but also encourages creativity and experimentation. Whether I want to make a subtle, elegant design or a bold, colorful piece, this kit has me covered.

The versatility of this silicone mold making kit is impressive. It is suitable for a wide array of applications, including crafting molds for resin, soap, candles, candy, and even ice cubes! This adaptability means I can explore numerous projects without needing to invest in different products for each type of mold. Plus, with a shelf life of over a year, I can store the kit and use it whenever inspiration strikes without worrying about it going bad.

In conclusion, the CHANGTIKEJI Silicone Mold Making Kit is an excellent investment for anyone interested in crafting. Its high-quality materials, ease of use, and versatility make it an ideal choice for both beginners and experienced mold makers. I genuinely believe that this kit can enhance anyone’s crafting experience and help bring imaginative projects to life. If you’re looking to explore the world of mold making, I highly recommend giving this kit a try; I think you’ll be pleasantly surprised by the results!

Feature	Details
Capacity	84.6oz (2 bottles of 1200g each)
Material	Food-grade platinum cure silicone
Silicone Hardness	10A
Mixing Ratio	11 by weight
Working Time	40 minutes
Curing Time	2 to 4 hours at room temperature
Bubbles	No vacuum degassing needed; bubbles dissipate in 1.5 hours
Included Accessories	6 bags of mica powder, 10 wooden mixing sticks, 10 disposable gloves
Applications	Resin, soap, candles, candy, ice cubes, and more
Shelf Life	Over 1 year

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3. LETS RESIN Silicone Mold Making Kit Liquid Silicone Rubber 140oz-1 Gallon Translucent Clear Mold Making Silicone-Mixing Ratio 1:1-Molding Silicone for Resin MoldsSilicone Molds Maker DIY Making

As someone who loves exploring my creative side, I was thrilled to come across the LET’S RESIN Silicone Mold Making Kit. This product is more than just a kit; it’s a gateway to endless crafting possibilities. With a generous volume of 140oz (or 1 gallon), this translucent clear mold-making silicone promises to unleash your imagination. Whether you are a hobbyist or someone looking to dive deeper into DIY projects, this kit is perfect for you.

One of the standout features of this silicone mold making kit is its premium quality. The silicone is platinum-cured, which means it is not only safe and non-toxic but also free from any unpleasant odors. This is a significant advantage as it allows me to work comfortably without worrying about harmful fumes. The flexibility and softness of the silicone make it incredibly easy to work with, whether I’m crafting intricate designs or simple shapes. Plus, the option to mix the silicone with mica powder opens up a whole new world of creativity, allowing me to create vibrant and unique colors to suit my projects.

What I really appreciate about this kit is how straightforward the mixing and pouring process is. With a simple 11 mixing ratio of Part A and Part B, it’s incredibly user-friendly. After pouring the two parts together, all I need to do is stir the mixture for five minutes. This makes it accessible for beginners like myself who may feel intimidated by more complex mold-making processes. The fact that the working time is only five minutes means I can quickly get started on my projects without long waits, which is perfect for someone with a busy schedule.

Another impressive feature is that the liquid silicone is designed to eliminate bubbles without the need for vacuum degassing. As someone who values efficiency in my crafting, this is a massive time-saver. The bubbles automatically disappear within two hours, allowing for a smooth finish on my molds. It’s worth noting that the complete cure time varies between 6 to 12 hours, depending on the size and thickness of the mold. If I find that the silicone remains a bit sticky, I can simply extend the curing time, which gives me confidence that I can achieve the perfect finish.

For anyone just starting out in mold making, this kit is a fantastic choice. There are no special skills or tools required, making it a fun and creative activity that I can enjoy all day long. I can imagine spending weekends experimenting with different molds and refining my skills. The instructions are clear, and even if I encounter a spill, cleaning up is a breeze with just soapy water or rubbing alcohol.

Moreover, the versatility of this silicone mold making kit is impressive. It’s not just limited to one type of project; I can use it for making resin molds, wax molds, candle molds, soap molds, and more. This wide application means that I can tackle various projects, whether I’m creating gifts for friends and family or making items for personal use. The potential is limitless, and that excites me!

In conclusion, if you’re looking for a reliable and high-quality silicone mold making kit, I highly recommend the LET’S RESIN Silicone Mold Making Kit. It’s perfect for both beginners and seasoned crafters. With its ease of use, quality materials, and versatility, this kit can help you bring your creative visions to life. Don’t hesitate to grab this kit and start your crafting journey; you won’t regret it!

Feature	Description
Volume	140oz (1 Gallon)
Material	Platinum-cured, non-toxic silicone
Mixing Ratio	11 by weight
Working Time	5 minutes at room temperature
Cure Time	6-12 hours depending on mold size
Bubble Elimination	Automatically disappears within 2 hours
Applications	Resin molds, wax molds, candle molds, soap molds

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4. 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

I am excited to share my analysis of the BBDINO Silicone Mold Making Kit, which is an exceptional product for anyone looking to dive into the world of mold making. This kit comes with a generous total of 21.16 ounces of liquid silicone, divided into two easy-to-use bottles (part A and part B), making it simple to mix and create impressive molds. The inclusion of tinfoil seals at the top of each bottle adds an extra layer of assurance against leaks, ensuring that I can store the silicone safely without worrying about spills. This thoughtful design reflects BBDINO’s commitment to quality and user-friendliness.

One of the standout features of this silicone mold-making kit is its ease of mixing and pouring. With a low viscosity, the silicone flows effortlessly, which means I don’t have to invest in additional equipment like a pressurized pot or a degassing system. This makes it incredibly accessible for beginners and seasoned creators alike. I can create both 3D and flat molds with excellent flexibility and strength, which means I can unleash my creativity without the fear of molds tearing or breaking during demolding.

Another impressive aspect is the fast curing time. With only 30 minutes of working time and a total curing time of just 4 hours at room temperature, I can quickly move from mixing to demolding, making it perfect for those spontaneous crafting sessions. The minimal shrinkage during curing also means that the finished molds will retain their intended shapes, a crucial factor for anyone who values precision in their projects.

The wide application of this silicone kit is genuinely remarkable. Not only is the BBDINO silicone completely food-safe, but it is also suitable for a variety of arts and crafts projects, including casting resins, wax, gypsum, concrete, soap, and candles. This versatility allows me to experiment with different mediums and create unique pieces that I can use or gift, making it a worthwhile investment for any craft enthusiast.

Moreover, the long shelf life of over a year is a significant advantage. I can store any leftover materials without worrying about them going to waste. The stunning jade green color of the silicone also serves a practical purpose—it allows me to easily identify whether parts A and B are mixed evenly. This feature not only enhances the aesthetic of my projects but also ensures that I achieve the best results every time.

BBDINO offers a range of silicone hardness options, which means I can choose the perfect consistency for my projects, whether I need something super soft or a bit firmer. The inclusion of rich color solutions and silicone pigments further expands my creative possibilities. With nine selected silicone pigments, including basic colors and skin tones, I can create an endless palette tailored to my artistic vision.

Feature	Description
Volume	21.16 oz (2 bottles, 10.58 oz each)
Mixing Ease	Low viscosity for easy mixing and pouring
Curing Time	30 minutes working time, 4 hours curing time
Application	Food-safe, suitable for resin, wax, concrete, soap, and more
Color	Jade green for easy mixing visibility
Shelf Life	Over 1 year
Hardness Options	Range from super soft to firm (00-30)
Color Solutions	Includes 9 silicone pigments for custom colors

In conclusion, I believe the BBDINO Silicone Mold Making Kit is an outstanding choice for anyone interested in crafting, whether you are a beginner or an experienced creator. Its thoughtful design, ease of use, and versatility make it an excellent addition to my crafting supplies. If you are looking to explore the world of mold making or want to enhance your existing skills, I highly recommend giving this kit a try. You won’t be disappointed with the results, and it may just inspire you to create your next favorite project!

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Why Liquid Silicone Rubber for Mold Making is a Game Changer for Me

When I first started exploring mold making, I quickly discovered the versatility and convenience of Liquid Silicone Rubber (LSR). One of the key reasons it has become a staple in my projects is its exceptional flexibility. Unlike other materials, LSR allows me to create intricate designs and details without worrying about the mold breaking or tearing during the demolding process. This flexibility not only saves me time but also enhances the quality of my finished products.

Another significant advantage I’ve experienced is the durability of Liquid Silicone Rubber. Once cured, my molds can withstand repeated use without degrading, which means I can create multiple casts from a single mold. This durability is particularly beneficial for my small business, as it allows me to produce consistent and high-quality items while minimizing material waste and costs.

Moreover, LSR is incredibly easy to work with. The mixing process is straightforward, and I appreciate that it has a relatively low viscosity, which means it flows easily into every nook and cranny of my mold design. This ease of use has made my mold-making process more enjoyable and less stressful, enabling me to focus on creativity rather than technical challenges. Overall, Liquid Silicone Rubber has transformed my mold-making experience, making

Buying Guide for Liquid Silicone Rubber for Mold Making

Understanding Liquid Silicone Rubber

When I first delved into mold making, I discovered that liquid silicone rubber (LSR) is a versatile material. It is known for its flexibility, durability, and heat resistance. This makes it ideal for creating molds that can withstand various casting materials, including resin, plaster, and concrete.

Choosing the Right Type

I learned that not all liquid silicone rubbers are the same. They come in different formulations, which can affect the curing time, hardness, and temperature resistance. I found it essential to consider what specific projects I intended to undertake. For instance, if I planned to create intricate designs, I opted for a silicone that offered lower viscosity for better detail capture.

Understanding the Curing Process

The curing process of liquid silicone rubber is crucial. I noticed that some formulations cure quickly, while others take more time. I preferred a product that allowed for flexibility in my schedule, so I could work at my own pace. It’s important to read the instructions and understand the pot life and curing time to avoid any mishaps.

Evaluating Shore Hardness

Shore hardness is a measurement of the rubber’s firmness. I realized that different projects require different hardness levels. For detailed molds, I often chose a softer silicone, while for more robust applications, a firmer silicone was more suitable. Understanding the Shore A scale helped me make informed decisions.

Considering Color and Transparency

I found that the color and transparency of liquid silicone rubber can impact my mold-making experience. Transparent silicone allows me to see the casting material and monitor curing. On the other hand, colored silicone can help in identifying the mold and adding aesthetic value to the final product.

Assessing Compatibility with Casting Materials

One of the most important factors I considered was compatibility with the casting materials I wanted to use. Some silicone rubbers can react negatively with certain resins or plastics, which could ruin my project. I always ensured that the silicone I chose was compatible with my desired casting materials.

Checking Shelf Life and Storage Requirements

I learned that the shelf life of liquid silicone rubber varies between products. I always check the expiration date and proper storage conditions to ensure the silicone remains usable. Proper storage can prevent issues like thickening or hardening before I even get to use it.

Exploring Price and Quantity

Budget is always a consideration for me. I found that prices for liquid silicone rubber can vary significantly depending on the brand and quality. I assessed how much silicone I would need for my projects and looked for bulk options that could save me money over time without compromising quality.

Reading Reviews and Getting Recommendations

Before making a purchase, I always read reviews and sought recommendations from fellow mold makers. Their experiences helped me understand the pros and cons of different products. I also found online forums to be invaluable in gathering insights about various liquid silicone rubbers.

Final Thoughts

In conclusion, my journey with liquid silicone rubber for mold making has been both educational and rewarding. By considering factors like type, curing process, hardness, and compatibility, I have been able to choose the right silicone for my projects. I encourage anyone looking to start mold making to take the time to research and select the best liquid silicone rubber for their needs.

Author Profile

Diana Dussan

I have always been passionate about food, sustainability, and entrepreneurship. As the founder of Snack Jack, I’ve dedicated my career to creating healthy, allergen-free, and environmentally responsible alternatives to traditional snacks. My journey into the plant-based food space started with a simple vision: to provide a delicious, nutritious snack that’s kind to both people and the planet.

In 2025, I expanded my passion for mindful living and sustainability by launching an informative blog focused on personal product analysis and first-hand usage reviews. Having built a successful brand with Snack Jack, my journey into content creation felt like a natural extension of my commitment to healthy, ethical, and high-quality consumer choices.

I believe great food should fuel both body and purpose. Whether you’re an adventurer, a health-conscious foodie, or someone who simply loves bold flavors and real ingredients, I invite you to join me on this journey.

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