Why I Choose Liquid Silicone Rubber for Mold Making: An Expert’s Personal Experience

When I first discovered Liquid Silicone Rubber for mold making, I was amazed by its versatility and ease of use. This remarkable material has transformed the way artists, engineers, and hobbyists create detailed molds, allowing for incredible precision and durability. Whether you’re crafting intricate designs or producing prototypes, Liquid Silicone Rubber offers a seamless experience that blends flexibility with strength. In this article, I’ll share why this material has become a game-changer in mold making and how it can elevate your creative projects to the next level.

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

When I first came across the LET’S RESIN Silicone Mold Making Kit, I was immediately intrigued by its promise of a translucent, non-toxic, and super elastic silicone rubber designed specifically for mold making. The product title alone highlights some crucial features that matter a lot to anyone interested in crafting detailed 3D molds, resin molds, or silicone molds. Knowing that it offers a fast 4-hour cure time made me feel this kit could really speed up my creative projects without compromising quality.

Delving deeper into the product features, I appreciate that the silicone material is platinum-cured, which is a hallmark of high-quality, safe silicone. The fact that it is non-toxic and odorless reassures me that I can work on my projects comfortably, even indoors, without worrying about harmful fumes. Another standout point is its translucency and softness, which means the molds will be flexible yet durable, capturing fine details beautifully. For those who enjoy experimenting, the option to mix in mica powders to customize colors adds an exciting creative dimension.

One of the biggest pain points when working with silicone molds is mixing and pouring, but this kit simplifies the process impressively. The 11 mix ratio by weight between Part A and Part B is straightforward, and the instructions to stir thoroughly for 5 minutes ensure a well-blended silicone rubber mixture. The working time of 5 minutes at room temperature gives just enough time to pour and shape without feeling rushed, which is ideal for beginners and hobbyists alike.

The automatic bubble elimination within 2 hours is a feature I truly value. Bubbles can ruin the precision of a mold, and the fact that no vacuum degassing is necessary saves me both time and extra equipment costs. The overall curing timeline — 40 minutes working time and a full cure by 4 hours — fits well into a day’s crafting schedule. If the silicone feels slightly sticky, extending the curing time is a simple tip to achieve the perfect finish.

Speaking of beginners, this kit is clearly designed with user-friendliness in mind. No special skills or tools are required, making it accessible for anyone just starting with mold making. The cleaning instructions are simple too, with soapy water or rubbing alcohol recommended for any spills, which makes maintenance hassle-free.

The 15A hardness rating strikes a nice balance between firmness and flexibility. This means the molds won’t tear easily, yet are elastic enough to release complex shapes without damage. This is essential for intricate resin or soap molds, and I feel confident this kit would perform well across various crafting applications.

Finally, the product’s wide application potential is impressive. From resin casting to candle making, wax molds, and soap molds, this kit covers a broad spectrum of creative projects. The clear note that it is not for food molds is an honest and important disclaimer, ensuring users apply it safely. Plus, having customer support available if I ever have questions adds an extra layer of reassurance.

Feature	Benefit to User
Platinum-Cured, Non-Toxic Silicone	Safe and odorless for indoor use, suitable for all skill levels
Translucent & Soft	Flexible molds that capture intricate details accurately
Easy 11 Mix Ratio	Simplifies preparation, ideal for beginners
Automatic Bubble Removal	Saves time, produces smooth molds without special equipment
Fast 4-Hour Cure Time	Allows quick project turnaround
15A Hardness	Durable yet flexible molds that release easily
Wide Application Range	Perfect for resin, wax, candle, and soap mold making

Overall, I find the LET’S RESIN Silicone Mold Making Kit to be an excellent choice whether you’re a beginner or an experienced mold maker looking for a reliable, fast-curing silicone solution. Its combination of safety, ease of use, and versatility makes it a product I would confidently recommend. If you want to elevate your crafting projects with detailed and durable molds, this kit offers great value and performance that’s hard to beat.

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2. Silicone Mold Making Kit,66oz Platinum Silicone Rubber,15A Liquid Silicone Mixing Ratio 1:1 for Casting Resin Molds and DIY Jewelry Molds

When I first came across the Silicone Mold Making Kit featuring 66oz of Platinum Silicone Rubber with a 15A hardness and an easy 11 mixing ratio, I immediately saw its potential for both hobbyists and professionals. The premium platinum silicone rubber stands out because it offers an excellent balance of elasticity and tear resistance. At a medium hardness of 15A, this silicone is durable yet flexible enough to handle intricate designs without compromising on mold longevity. This makes it ideal for repeated use, especially in resin casting and DIY jewelry projects where precision and durability are crucial.

One of the biggest advantages I appreciate about this kit is the simple 11 mixing ratio by weight. It removes much of the guesswork and complexity often associated with mold making. By mixing Part A and Part B equally and thoroughly for 3 to 5 minutes, you get a smooth, bubble-free silicone that sets the stage for flawless molds. Whether you’re a beginner just starting out or a seasoned mold maker, this straightforward mixing process helps ensure consistent results with less frustration. The translucent quality of the silicone also makes it easier to spot any trapped air bubbles before curing, which is a thoughtful feature that enhances the quality of the final mold.

The generous 66oz volume included in the kit is another highlight for me. This amount is more than sufficient to create multiple molds for various projects, ranging from resin pieces to jewelry molds and even custom crafts. It’s an ample supply that suits hobbyists who want to experiment and small business owners looking to produce professional-quality molds without constantly replenishing their materials. Having enough silicone on hand encourages creativity and larger-scale production without feeling constrained by material limits.

Flexibility and detail capture are paramount when it comes to mold making, and this platinum silicone delivers on both fronts. After curing, the molds retain excellent flexibility, which simplifies demolding delicate or complex pieces without tearing or damaging the mold. This capability ensures that every fine detail from your original model is faithfully reproduced, giving your resin or craft projects a professional finish. The versatility of this kit is also impressive—it works seamlessly with a variety of materials like epoxy resin, UV resin, wax, soap, and clay. This broad compatibility means I can use the kit across many creative disciplines, whether I’m making custom jewelry, resin art, or unique home decor items.

Finally, what reassures me as a user is the 24/7 customer support offered with this product. Having access to round-the-clock assistance means I can confidently tackle technical questions or troubleshoot issues that arise during mold making or resin casting. This level of customer care adds significant value, especially for those new to silicone molds or anyone experimenting with different resin kits. Knowing that expert help is just a message away makes the entire crafting process more enjoyable and less intimidating.

To summarize the key aspects of this Silicone Mold Making Kit, I have outlined the main features and benefits in the table below

Feature	Details	User Benefit
Platinum Silicone Rubber (15A Hardness)	Medium hardness with superior elasticity and tear resistance	Durable and flexible molds ideal for repeated use and intricate designs
11 Mixing Ratio	Equal parts of Part A and Part B by weight	Easy, precise mixing for beginners and pros; reduces mistakes and bubbles
66oz Volume	Large quantity of silicone rubber included	Enables multiple projects without frequent repurchasing; great for hobbyists and small businesses
Translucent Mold Material	Allows visual detection of air bubbles before curing	Ensures high-quality, bubble-free molds with excellent detail capture
Versatile Usage	Compatible with epoxy resin, UV resin, wax, soap, and clay	Supports a wide range of crafts from jewelry to home decor
24/7 Customer Support	Round-the-clock assistance for technical help and queries	Provides confidence and smooth experience for all skill levels

Overall, I find this Silicone Mold Making Kit to be a thoughtfully designed and reliable product that caters well to creative individuals looking to elevate their mold-making projects. Its ease of use,

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3. CHANGTIKEJI Silicone Mold Making Kit,64OZ Super Elastic Liquid Silicone for Mold Maker, Fast Cure Translucent Silicone Rubber for Casting Resins Mold,Silicone Mold,Candle Mold,Soap Mold,Food Mold

When I first came across the CHANGTIKEJI Silicone Mold Making Kit, I was immediately drawn to its generous 64oz capacity, which includes two 32oz bottles of platinum cure liquid silicone. This quantity is ideal for someone like me who enjoys experimenting with mold making without worrying about running out of material too quickly. Additionally, the inclusion of 5 wooden mixing sticks and 6 disposable protective gloves shows thoughtful consideration for beginners, making it easier to get started right away without needing to purchase extra accessories.

The quality of the silicone itself truly impressed me. This kit uses food-grade silicone rubber with a hardness of 10A, which strikes a perfect balance between elasticity and durability. The high elasticity means I can create highly detailed 3D molds and flat resin molds, and still easily remove the cast objects without damaging the mold. This level of precision and flexibility is crucial for anyone passionate about crafting, whether you’re working on candles, soaps, or even edible molds like candy and cake decorations.

One of the standout features for me was the no-bubble formulation. Silicone mold kits often require vacuum degassing to remove air bubbles, but this product’s low viscosity of 1500 allows bubbles to dissipate naturally within 1.5 hours at room temperature. This saves a lot of time and effort, especially when you want a flawless finish on your resin or soap projects. It’s a huge convenience that’s especially valuable for crafters who want to focus more on creativity rather than technical challenges.

The ease of use is another huge plus. The kit includes Part A and Part B silicone in a simple 11 mixing ratio by weight or volume, which makes blending straightforward and mistake-free. The working time of about 40 minutes gives ample time to mix and pour the silicone, while the curing time of 2 to 4 hours at room temperature is quite fast compared to other silicone products. I also appreciate the flexibility to adjust curing times depending on mold size, thickness, and ambient temperature, which gives me control over my crafting schedule.

What makes this kit really versatile is its wide range of applications. Whether I’m casting resin, wax, gypsum, or concrete, or making molds for soap, candles, or even food items like chocolates and ice cubes, this silicone handles it all. Plus, with a shelf life of over one year, I don’t have to worry about the silicone going bad if I don’t use it immediately. This longevity adds great value for hobbyists and professionals alike who might not use the product daily but want reliable materials on hand.

Lastly, the after-sale service adds peace of mind. Knowing I can return or exchange the product within three months if I’m unsatisfied makes trying this kit risk-free. The 24-hour online support also means help is always available if I encounter any issues or have questions during my projects. This level of customer care builds trust and encourages me to invest in this kit with confidence.

Feature	Benefit to User
64oz Mold Making Kit (2x32oz bottles, mixing sticks, gloves)	Ample material and tools included for beginners and advanced users; ready to start immediately
Food-grade, highly elastic silicone (Hardness 10A)	Safe for food molds; flexible yet durable for detailed and easy demolding
No Vacuum Degassing Needed (Low viscosity 1500)	Effortless bubble-free molds without specialized equipment
Easy 11 Mix Ratio, Fast Cure (2-4 hours)	Simple preparation with quick turnaround for multiple projects
Wide Application (resin, soap, candle, food molds)	Versatile use across many crafts and culinary projects
Long Shelf Life (>1 year)	Convenient storage without rush to use all at once
3 Months Return & 24h Customer Support	Risk-free purchase with reliable help when needed

Overall, I feel the CHANGTIKEJI Silicone Mold Making Kit offers an excellent balance of quantity, quality, ease of use, and versatility. Whether you’re just starting out or looking for a reliable, food-safe silicone for your creative projects, this kit provides a comprehensive solution. The

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4. CHANGTIKEJI Silicone Mold Making Kit, 84oz 10A Elastic Liquid Silica Gel for Casting Resin molds and Candle & Soap Mold,Fast Cure Translucent Platinum Silicone Rubber

When I first came across the CHANGTIKEJI Silicone Mold Making Kit, I was immediately impressed by the sheer volume it offers—an 84.6oz kit that comes with two substantial bottles of liquid silicone, each weighing 1200g (42.3oz). This generous amount alone makes it ideal for anyone serious about mold making, whether you’re a beginner or more experienced. The inclusion of six bags of mica powder, ten wooden mixing sticks, and ten disposable gloves shows thoughtful attention to detail, ensuring that you have all the essentials to start creating right away without needing to source additional materials.

The quality of the silicone itself stands out prominently. It uses platinum cure silicone rubber that is food grade, which means it’s safe to use for items that come into contact with food like candy, chocolate, or even ice cubes. The silicone’s hardness rating of 10A strikes a great balance—highly elastic and flexible enough to capture intricate details while being durable enough to maintain shape and longevity. This elasticity is particularly beneficial because it allows for easy demolding without the need to cut or damage your molds, which can be a common frustration with less flexible materials.

What really appeals to me is the ease and speed of the curing process. The kit uses a simple 11 mix ratio by weight between Part A and Part B, which makes the blending straightforward and less prone to error. You get about 40 minutes of working time, which is ample for pouring and adjusting your mold, and then the silicone cures fully within 2 to 4 hours at room temperature. The fact that this curing time can be influenced by ambient temperature is useful information, and I appreciate the transparency here—no unrealistic promises, just honest expectations. Fast curing is a huge plus because it means I can complete projects quicker and move on to the next creative idea without long delays.

Another feature that I find extremely user-friendly is the silicone’s low viscosity, rated at 1500, which allows bubbles to disappear naturally without requiring a vacuum degassing process. This saves a lot of hassle and additional equipment costs, especially for beginners. Plus, the included mica powders add a fun and creative dimension, letting you customize the color of your molds, which can enhance the aesthetic appeal of your finished products.

The versatility of this kit is remarkable. Whether you’re casting resin, making wax or gypsum molds, or even creating soap and candle molds, this silicone proves to be adaptable. I also like that it can be used for edible items like candy and chocolate molds, which makes it a great all-in-one kit for crafters who want to experiment across multiple mediums. Additionally, the long shelf life of over one year means you don’t have to rush through the silicone before it expires, giving you flexibility in managing your projects.

To give a clearer overview, here’s a quick summary table of the CHANGTIKEJI Silicone Mold Making Kit’s key features

Feature	Details
Kit Volume	84.6oz total (2 x 42.3oz bottles)
Silicone Type	Platinum Cure, Food Grade Silicone Rubber
Hardness	10A (Highly Elastic & Flexible)
Mix Ratio	11 by weight (Part A & Part B)
Curing Time	2–4 hours at 22°C (71.6°F)
Working Time	40 minutes
Viscosity	1500 (Low viscosity, self-degassing)
Included Extras	6 bags mica powder, 10 wooden sticks, 10 disposable gloves
Applications	Resin, Wax, Soap, Candle, Candy, Chocolate, Ice Cubes, Gypsum, Concrete
Shelf Life	Over 1 year

Overall, I find the CHANGTIKEJI Silicone Mold Making Kit to be an excellent choice if you’re looking for a reliable,

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Why Liquid Silicone Rubber for Mold Making Helps Me

When I started making molds, I quickly realized how important the right material is. Liquid Silicone Rubber (LSR) has been a game-changer for me because it captures every tiny detail with incredible precision. This means my molds come out smooth and accurate, saving me time on finishing and ensuring my final pieces look professional.

Another reason I rely on LSR is its flexibility and durability. Unlike other materials that can tear or wear out after a few uses, my silicone molds stay strong and elastic even after repeated casting. This longevity helps me get the most value from each mold, reducing waste and cost in the long run.

Finally, working with liquid silicone rubber is surprisingly easy. It pours smoothly and cures at room temperature, so I don’t need expensive equipment or complicated setups. This convenience allows me to focus more on my creativity and less on technical hassles. Overall, using LSR has made my mold-making process more efficient, reliable, and enjoyable.

Buying Guide: Liquid Silicone Rubber For Mold Making

Understanding Liquid Silicone Rubber

When I first started mold making, I quickly realized that liquid silicone rubber (LSR) is an essential material. It’s a flexible, durable compound that captures fine details exceptionally well. Knowing what LSR is and how it behaves helped me choose the right type for my projects.

Types of Liquid Silicone Rubber

I learned there are generally two main types: tin-cure (condensation cure) and platinum-cure (addition cure). Tin-cure silicone is usually more affordable but can shrink slightly and may not be suitable for food or medical applications. Platinum-cure silicone is more stable, has less shrinkage, and is often used for higher-quality molds. Understanding these differences helped me match the silicone to my project needs.

Shore Hardness and Flexibility

The hardness of the silicone, measured by the Shore A scale, affects mold flexibility. Softer silicones (lower Shore A) are more flexible and great for intricate molds with undercuts, while firmer silicones provide more support but less stretch. I always consider the detail and complexity of my original model before deciding on the Shore hardness.

Cure Time and Working Time

I pay close attention to the cure time—the time it takes for the silicone to fully set—and the working time, which is how long I can work with the silicone before it starts to cure. If I have a complex mold requiring careful pouring, a longer working time is preferable. For quicker projects, faster curing silicones can speed up the process.

Mixing Ratio and Ease of Use

Different LSRs require different mixing ratios, often expressed in parts by weight or volume. Some are 1:1, which makes measuring easier, while others may be 10:1 or more complex. I always choose a silicone with a mixing ratio I’m comfortable handling to avoid mistakes during preparation.

Resistance and Durability

Depending on what I’m molding, I look for silicone that resists tearing, heat, or certain chemicals. Durable silicone molds last longer and maintain detail over repeated uses. If my molds need to withstand heat or harsh conditions, I ensure the silicone’s specifications match those requirements.

Transparency and Color

Some LSRs are naturally clear or translucent, which helps when I want to see bubbles or ensure complete coverage during pouring. Others come pre-colored or can be tinted. I prefer clear silicone when detail visibility is critical, but colored silicone can help differentiate molds or finished parts.

Safety and Handling

I always check the safety data sheets for any potential hazards. Most LSRs are low in toxicity, but proper ventilation and gloves are still important. Being aware of any allergic reactions or special storage instructions ensures a safe working environment.

Price and Quantity

Finally, I consider the price relative to the quantity I need. Buying in bulk can save money if I plan multiple projects, but smaller quantities are better for trying new materials. Balancing cost with quality and project scale helps me make the best choice.

Final Thoughts

Choosing the right liquid silicone rubber for mold making involves understanding the specific needs of your project and the properties of the silicone. By considering type, hardness, cure time, mixing ratio, and durability, I ensure my molds turn out precise and long-lasting. Taking the time to research these factors makes all the difference in my mold-making success.

Author Profile

Joseph Jones

I’m Joseph Jones. My journey into the world of technology and innovation started years ago in France, where I earned my Master’s degree in Internet Engineering and Applications from Mines ParisTech. Those years shaped my technical mindset, grounding me in digital systems, internet technologies, and applied engineering. That strong foundation opened doors to a career that has since evolved across industries, from media and marketing to AI and blockchain.

Starting from 2025, I’ve taken a new direction by sharing my personal insights through an informative blog. Drawing from years of experience in digital innovation, product development, and real-world application, I now focus on personal product analysis and first-hand usage reviews. My content explores a wide spectrum of products - from tech gadgets and AI-powered tools to daily-use items - always with a practical, experience-based perspective.

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