Product Overview
HY-E635 is a 35 Shore A addition curing silicone designed for GRC and concrete mold making silicone applications.
Technical Specifications
Model HY-E635, 35A shore A hardness silicone, 1:1 or 10:1 mix ratio, semi-transparent, -60 to 200°C.
Product Images and Videos

showing packaging, fluidity, and finished molds.
Product Features
As a platinum cured silicone, it offers near-zero shrinkage and high tear strength. Our 20 production lines ensure stable liquid silicone rubber supply.
How to Use
Mix part A and B, stir 2-3 mins, vacuum degas, pour into the master mold, and cure at room or elevated temperature.
Application Scenarios
This RTV-2 silicone is ideal for GRC architectural decoration, cement products, and large PU casting molds.
Buyer Benefits
Enjoy reliable quality, flexible 2kg MOQ, and cost-effective two component silicone for large-scale molding.
Certifications and Compliance
Fully compliant with ISO9001, RoHS, REACH, FDA, UL, and CE standards.
Customization Options
Custom color, hardness adjustments, and various packaging sizes are available.
Production Process
We provide pre-production sampling, flexible mass production, and full inspection before shipping.
FAQ
MOQ is 2kg. It is food grade silicone certified by FDA. Samples are available. Search HONG YE SILICONE for more.