---
product_id: 483776215
title: "30A Silicone Rubber"
brand: "let's resin"
price: "₩298149"
currency: KRW
in_stock: null
reviews_count: 11
category: "Let's Resin"
url: https://www.desertcart.kr/products/483776215-30a-silicone-rubber
store_origin: KR
region: South Korea
---

# Self-degassing, bubble-free 160oz/10lbs platinum-cure silicone Fast 3-6 hour cure time 30A Silicone Rubber

**Brand:** let's resin
**Price:** ₩298149
**Availability:** ❌ Out of Stock

## Summary

> 🎨 Mold your masterpiece faster, cleaner, and bigger than ever!

## Quick Answers

- **What is this?** 30A Silicone Rubber by let's resin
- **How much does it cost?** ₩298149 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/483776215-30a-silicone-rubber)

## Best For

- let's resin enthusiasts

## Why This Product

- Trusted let's resin brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Fast & Easy Mixing:** Vibrant blue dual-color system ensures perfect 1:1 mix in just 3 minutes—get to casting faster.
- • **Massive 160oz Volume:** Enough silicone for multiple large molds or batch projects—never run out mid-creation!
- • **Bubble-Free Perfection:** Self-degassing formula eliminates bubbles without vacuum equipment—flawless molds every time.
- • **Ultra-Durable 30A Silicone:** High tear strength and resistance for molds that last 500-1000 uses—invest once, create endlessly.
- • **Versatile Creative Freedom:** Ideal for resin, concrete, soap, candle, and 3D molds—unlock limitless DIY artistry.

## Overview

LET'S RESIN Silicone Mold Making Kit offers 160oz of platinum-cured, 30A hardness silicone rubber that cures in 3-6 hours. Its self-degassing formula ensures bubble-free molds without vacuum machines, while the vibrant blue dual-color mix guarantees perfect blending. Durable and versatile, this kit supports up to 1000 mold uses across resin, concrete, soap, and more, making it the ultimate choice for professional and hobbyist mold makers alike.

## Description

desertcart.com: LET'S RESIN Silicone Mold Making Kit 30A,160oz/10Lbs Durable Mold Making Silicone Rubber, Fast Cure Platinum Cured Silicon, Self-Degassing Molding Silicon, Ideal for DIY Resin Molds : Arts, Crafts & Sewing

Review: Great Service! - Wonderful prodeuct at a great price. I made a mold for some small parts for ho slot car racing tires which are no longer available. Mold came out great but I did not use the mold release correctly when I cast the parts from the same silicone. I also let the parts sit in the mold overnight and they fused to the mold and I ended up ruining that batch. I re-made the mold and recast the parts, not letting the parts sit too long in the mold and they came out perfectly after about 3 hours setting time. I would recommend this product to anyone wanting to make molds and parts.
Review: Great product - Works great

## Features

- 【Large Volume 160OZ/10LBS & Extremely Durable】: LETS RESIN silicone mold making kit comes with 2 bottles, each bottle containing 80oz/5lbs of platinum cure silicone, which is a very safe silicone material, non-toxic and odorless; the silicone mold finished with LET'S RESIN 30A silicone rubber has higher tear strength & resistance, not easily break, great silicone rubber mold making for simple one or two-part block molds
- 【 Self-degassing & No Bubbles】: No vacuum machine is necessary! The bubbles of liquid silicone will automatically disappear within 2 hours at room temperature due to its low viscosity feature. Bubbles tend to occur in hot temperatures. To reduce all bubbles, you can seal and store the mixed casting silicone in the refrigerator for 1 hour while curing, then continues to cure at room temperature
- 【Easy Mixing & Fast Cure】: LET'S RESIN mold making kit is designed with vibrant blue colors, you can easily see whether part A and part B mixed evenly thanks to the bicolor appearance; The mix ratio is 1:1 by weight. Just pour the equal Part A and Part B together, then stir the silicone mix for 3 minutes; the working time is within 30 minutes and the cure time is 3~ 6 hours at room temperature. The final curing time varies on various conditions
- 【Wide Application & Long Life Span】: LET'S RESIN high-performance silicone for mold making is very ideal for art craft use, easily make your own silicone molds, including resin molds, large silicone molds, 3D silicone molds, concrete molds, cement molds, soap molds, candle molds, plaster molds, clay molds, flower molds, rose mold,etc; The silicone molds have a very long life span, which can be used up to 500~1000 times.Ideal for silicone mold maker
- 【Tips for Mold Making 】: Cure inhibition is one of the most common issues that can occur during the making mold process. The platinum catalyst in the molding silicone can become deactivated by coming in contact with contaminants like UV RESIN,3D print resin, Sulfur-based clay, and Tin-cure silicone. We suggest you read the manual carefully before the operation and always make a small patch test first. Please feel free to contact us if there's any issue

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BDKYJY1S |
| Art Craft Kit Type | Mold Making |
| Best Sellers Rank | #13,593 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #154 in Sculpture Molding & Casting Products |
| Brand | LET'S RESIN |
| Color | blue |
| Customer Reviews | 4.7 4.7 out of 5 stars (724) |
| Date First Available | September 26, 2022 |
| Included Components | Silicone Rubber-Part A (80oz/5lbs), Silicone Rubber-Part B (80oz/5lbs) |
| Item Weight | 11.36 pounds |
| Item model number | silicone rubber 30a |
| Manufacturer | LET'S RESIN |
| Material | Silicone |
| Number of Pieces | 1 |
| Package Dimensions | 10.91 x 7.76 x 6.34 inches |
| Paint Type | Silicone |
| Size | Large |
| Special Feature | Self-degassing, Fast Cure, Wide Application |
| Style | Compact |

## Product Details

- **Brand:** LET'S RESIN
- **Color:** blue
- **Included Components:** Silicone Rubber-Part A (80oz/5lbs), Silicone Rubber-Part B (80oz/5lbs)
- **Item Weight:** 5.16 Kilograms
- **Material:** Silicone

## Images

![30A Silicone Rubber - Image 1](https://m.media-amazon.com/images/I/71DBwNhhfpL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Can I pour this over a polyurethane rubber part or would it stick?**
A: It might not stick tight, but the tear strength of silicone might be exceeded if it sticks at all.  When I am doing two part molds of, for instance, a seashell, I use vaseline on the first half surface so that the second half pouring doesn't stick to the first half. You could consider light painting with vaseline, or even spraying your object with "Pam."

**Q: I've been searching for a a way to craft a 3d life-like mold for a peach. Life-sized using resin. will this work?**
A: This silicone captures very fine detail, so it would work well for what you want. However, you would have to do a two part mold to cast an entire peach, which could be tricky if you're new to mold making. You also may need to create a more rigid mother-mold around the silicone mold to keep the mold from deforming when making your production cast. You can find plenty of videos online about advanced mold making processes.

**Q: I see that using a UV resin model inhibits the silicone from curing. can i coat uv resin model with something so the silicone will cure?**
A: Should work as long as you properly coat the resin so that the silicone no longer comes in contact with the resin.

**Q: If the working time is 5 minutes, how can you stir it for 3-5 minutes?**
A: While mixing it's not working time.  Working time refers to just that. After mixing that's how much time you have to work with it.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Service!
*by F***E on December 18, 2025*

Wonderful prodeuct at a great price. I made a mold for some small parts for ho slot car racing tires which are no longer available. Mold came out great but I did not use the mold release correctly when I cast the parts from the same silicone. I also let the parts sit in the mold overnight and they fused to the mold and I ended up ruining that batch. I re-made the mold and recast the parts, not letting the parts sit too long in the mold and they came out perfectly after about 3 hours setting time. I would recommend this product to anyone wanting to make molds and parts.

### ⭐⭐⭐⭐⭐ Great product
*by A***S on January 14, 2026*

Works great

### ⭐⭐⭐⭐⭐ Easy to work with
*by L***T on November 28, 2025*

Very easy to work with. Does exactly what you expect. Perfect thank you

## Frequently Bought Together

- LET'S RESIN Silicone Mold Making Kit 30A,160oz/10Lbs Durable Mold Making Silicone Rubber, Fast Cure Platinum Cured Silicone, Self-Degassing Molding Silicone, Ideal for DIY Resin Molds & Silicone Molds
- 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
- LET'S RESIN Silicone Putty, 1LB/40A Mold Making Kit, Non-Toxic, Strong & Flexible, Easy 1:1 Mixing Ratio for Reusable Silicone Molds, Resin, Soap

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-23*