RTV-2 XP-657

About
XP-657 is a water clear, very fast curing two component silicone rubber. The addition cure reaction provides extremely low shrinkage and the cure can be accelerated or slowed by heating or cooling, respectively. It is designed to make very fast curing molds for hearing aid devices.&&

Product Description
Generic硅橡胶,RTV-2
Material StatusCommercial: Active
AvailabilitysAsia Pacific

Technical Data
THERMALNominal valueUnitTest method
Thermosetting components
resin按重量计算的混合比: 1.0, 按容量计算的混合比: 1.0 

Uncured PropertiesNominal valueUnitTest method
colour 
Clear/Transparent 
Clear/Transparent 
viscosity 
4.0Pa·s
8.0Pa·s
Curing time0.50 to 0.67hr
Gelation time
22℃2.5 to 3.5min

Cured PropertiesNominal valueUnitTest method
Shore hardness
Shaw’s A21 to 29 

Notes
1. Typical properties: these are not to be construed as specifications.
2. Base
3. Activator
4. 30 Minutes
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