---
product_id: 210867249
title: "R PRO TECH 33 High-Temperature Mold-Making Silicone Rubber 1:1, Heat Resistant up to 350°C, 33 Shore, Professional Molds with No Linear Shrinkage (1, Kilograms)"
brand: "reschimica"
price: "€ 172.11"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/210867249-r-pro-tech-33-high-temperature-mold-making-silicone-rubber
store_origin: HR
region: Croatia
---

# Heat resistant up to 350°C Fast curing in 3 hours 1:1 mixing ratio by volume & weight R PRO TECH 33 High-Temperature Mold-Making Silicone Rubber 1:1, Heat Resistant up to 350°C, 33 Shore, Professional Molds with No Linear Shrinkage (1, Kilograms)

**Brand:** reschimica
**Price:** € 172.11
**Availability:** ✅ In Stock

## Summary

> 🔥 Mold like a pro, last like a legend!

## Quick Answers

- **What is this?** R PRO TECH 33 High-Temperature Mold-Making Silicone Rubber 1:1, Heat Resistant up to 350°C, 33 Shore, Professional Molds with No Linear Shrinkage (1, Kilograms) by reschimica
- **How much does it cost?** € 172.11 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/210867249-r-pro-tech-33-high-temperature-mold-making-silicone-rubber)

## Best For

- reschimica enthusiasts

## Why This Product

- Trusted reschimica brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Mixing:** 1:1 ratio by volume and weight for stress-free preparation
- • **Precision Perfect:** Captures ultra-fine details for flawless molds every time
- • **Extended Casting Life:** Up to 20% more castings than standard silicones—maximize your productivity
- • **Heat-Proof Durability:** Withstands extreme temperatures up to 350°C without compromise
- • **Tear-Resistant Toughness:** Medium hardness (33 Shore A) molds that resist wear and tear

## Overview

R PRO TECH 33 is a professional-grade silicone rubber designed for high-temperature mold making, curing at room temperature with a perfect 1:1 mixing ratio. It offers exceptional detail reproduction, heat resistance up to 350°C, and durable medium-hardness molds with high tear resistance, ideal for jewelry and precision casting applications.

## Description

Full description not available

## Features

- ✔️R PRO TECH 33: Mixing ratio 1:1 (both by volume and weight), heat resistant up to 350°C, cures at room temperature. Molds made with R PRO TECH 33 are long-lasting and excellent for casting resins, wax, plaster, cement, and other materials, widely used in the professional jewelry sector.
- ✔️HIGH PERFORMANCE: R PRO TECH 33 faithfully reproduces even the smallest details, allows up to 20% more castings compared to other silicones. Working time: 45 minutes – Curing time: 3 hours.
- ✔️HARDNESS: Once cured, this silicone produces medium-hardness molds (33 Shore A) with high tear resistance.
- ✔️MOLD PERFORMANCE: The physical lifespan of the mold depends on its use (casting materials, frequency, etc.). Casting abrasive materials like concrete can quickly wear down mold details, while non-abrasive materials (such as wax) preserve them.
- ✔️NOTE: Sulfur-based plasticine is NOT compatible and may inhibit the curing of R PRO silicones.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Reschimica |
| Model Number | r-pro-33-rosso-1 |
| Colour | Red |
| Package Dimensions | 20.4 x 14.8 x 8.1 cm; 1 kg |
| Material | Silicone |
| Item Weight | 1 kg |

## Images

![R PRO TECH 33 High-Temperature Mold-Making Silicone Rubber 1:1, Heat Resistant up to 350°C, 33 Shore, Professional Molds with No Linear Shrinkage (1, Kilograms) - Image 1](https://m.media-amazon.com/images/I/61SclbmsUuL.jpg)

## Available Options

This product comes in different **Item Weight** options.

## Questions & Answers

**Q: What materials can I cast in a mold made with R PRO TECH 33 silicone rubber?**
A: Transparent epoxy resin, polyurethane resin, polyester resin, acrylic resin, plaster, Jesmonite, wax, cement, paraffin, and many other materials.

**Q: What type of molds can I make with R PRO TECH 33 silicone rubber?**
A: R PRO TECH 33 silicone is ideal for creating flexible casting molds of various types (open-pour, two-part, multi-part, block, and shell molds), suitable for use in prototyping, modeling, art, and design.

**Q: Can R PRO TECH 33 silicone rubber cause allergic reactions?**
A: R PRO TECH 33 silicone rubber is considered hypoallergenic and does not cause allergic reactions. However, if you are sensitive to silicone materials, you may want to perform a patch test on a small area of skin before using it.

**Q: How do I clean a silicone mold?**
A: Cleaning a mold can be done with warm water and soap, or you can soak it in a solution of water and baking soda to remove stubborn residues. Make sure to dry it completely after cleaning.

**Q: How can I prevent R PRO TECH 33 silicone rubber from sticking when using a silicone rubber mold?**
A: A silicone rubber mold does not require lubrication thanks to its non-stick properties. However, for certain preparations, such as greasy or oily ones, you may need to apply a light layer of release agent to prevent sticking.

## Frequently Bought Together

- Silicone Rubber Mould Making R PRO TECH 33 for Professional Jewelry Hardness (33 shoreA) (1 kg)
- Silicone Rubber Pigment - 8 Colours Liquid Silicone Colouring Dye for Silicone Mold Making, Molding and Casting - Vibrant Silicone Colour for Resin Molds Making, Statues DIY Manual Making - 10ml Each
- Adjustable Mould Housing Kit for Silicone Moulds Making - Plastic Housing Frame for DIY Silicone Rubber Mould Making - Free Combination Mould Housing for Resin Mould, Candle Moulds, Soap Moulds Making

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**Shop now:** [https://www.desertcart.hr/products/210867249-r-pro-tech-33-high-temperature-mold-making-silicone-rubber](https://www.desertcart.hr/products/210867249-r-pro-tech-33-high-temperature-mold-making-silicone-rubber)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-21*