HY-E640 Addition Curing Platinum Silicone Rubber 40 Shore A for GRC and Cement Molds

HY-E640 is a 40 Shore A addition curing Platinum silicone rubber for GRC and cement moulds, a two component Liquid silicone rubber at 1:1 or 10:1.

Product Overview

The firm half of the HY-E range. Grades like this keep a mould wall in place when a heavy wet mix leans on it.

Technical Specifications

40 Shore A, addition cure two component, 1:1 or 10:1, translucent, -60C to 200C, packing 1 to 200kg.

Product Features and Advantages

No by-products form during cure, so originals stay clean and moulds keep their dimensions across a production run. Samples are retained per batch.

How to Use

Weigh both parts, mix two to three minutes, degas, then pour a thin stream from one corner and cure at room temperature.

Application Scenarios

GRC panels and trims, cement planters, PU castings and stone-effect pieces.

Buyer Benefits

Fewer bowed bases on heavy work, repeat runs that hold size, trial quantities from 10kg.

Certifications and Compliance

ISO 9001, RoHS, REACH, FDA, UL and CE documentation is issued for the relevant models.

Customization Options

Hardness can be selected between 10 and 50 Shore A, with colour and packing agreed per project.

Production Process and Quality Control

Before production begins, a trial is cast on the customer's own master; every lot is then sampled and checked before dispatch.

FAQ

Sampling starts at 10kg. Curing speed depends on the workshop temperature and how thick the section is.