Summary:
This Overview presents HY-E635, a 35A addition curing silicone. Designed for GRC, cement, and large PU molds, it offers near-zero shrinkage and high tear strength, ensuring reliable mold making for architectural casting.
Product Overview
HY-E635 is a35A platinum cured silicone for GRC mold silicone applications and cement casting.
Technical Specifications
Model: HY-E635. Hardness: 35A. Mix ratio: 1:1 or 10:1. Temp: -60 to 200C.
Product Images and Videos

Product Features
Near-zero shrinkage, high tear strength, food grade silicone, and long mold life.
How to Use
Mix A and B, vacuum degas, pour, and cure at room or elevated temp.
Application Scenarios
Ideal for GRC architectural elements, cement products, and large PU casting.
Buyer Benefits
Reduces costs with high release cycles and flexible MOQ from 2kg.
Certifications and Compliance
ISO9001, RoHS, REACH, FDA, UL, and CE certified for global markets.
Customization Options
Custom hardness, colors, and packaging sizes available upon request.
Production Process
Pre-production sampling and full inspection before shipment.
FAQ
MOQ is 2kg. Food grade safe. Cures in hours. Samples available.
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