SikaBiresin® CR128

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SikaBiresin® CR128 is an unfilled, non-staining, epoxy laminating system that provides room temperature hardening (B Stage) and is designed for high temperature laminating and tooling applications. SikaBiresin® CR128 has excellent handling properties and fabric wet-out to produce a void free tool with high dimensional stability. SikaBiresin® CR128 is availble with a choice of two hardener options with different pot lifes for process flexibility. Tools made with SikaBiresin® CR128 can be used at continuous temperatures of 230°F (110°C) and up to a 250°F (121°C) intermittent use maximums. While SikaBiresin® CR128 will gel at room temperature, it must be post-cured to achieve ultimate strength.

For applications up to 250°F (121°C)
High mechanical properties
Two hardener choices (fast and slow)
Excellent cloth wet-out
Excellent dimensional stability
Good handling properties

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Product Data Sheet Show all documents

Usage

Typical applications include vacuum form molds, prototype injection molds, high temperature bonding fixtures, spray metal molds, compression molds, high temperature laminating molds and parts for intermediate to high temperature applications.

SikaBiresin® CR128 can be used with Sika’s high temperature surface coats SP-707, ES-221, or ES-224.

This product is suitable for experienced professional users only. Tests with actual materials and conditions have to be performed to ensure satisfactory performance.