Techsil® RTV27905

About
Techsil RTV27905 is one of a family of soft, adherent, clear silicone elastomeric gels designed for the encapsulation and protection of electronic components. It is a low viscosity, 2 component system that is readily mixed in a 1:1 ratio. RTV27905 is the softest gel in this group of products. It is used to provide protection from vibration, thermal or mechanical shock. RTV27905 has excellent dielectric properties and also gives excellent protection from water and many environmental contaminants. Advantages: The following describes some of the properties offered by RTV27905: Low viscosity Soft but resilient Simple 1:1 ratio mix Excellent pot life and curing characteristics Excellent adhesion to many substrates Flexible down to -55°C Suitable up to +200°C&&

Product Description
Generic硅橡胶,RTV-2
Material StatusCommercial: Active
FeaturesLow Viscosity,noise reduction,Good bond,Elastic,Low temperature toughness,Soft,Room temperature cure
AvailabilitysEurope

Technical Data
Supplementary informationNominal valueUnitTest method
Penetration depth3.00 to 7.00mm
volatility< 0.10%

Uncured PropertiesNominal valueUnitTest method
Weight Mix Ratio (PBW) 
Part A1.0 
Part B1.0 
Volume Mixing Ratio (PBV) 
Part A1.0 
Part B1.0 
Density
25℃0.970g/cm³
viscosity1.0Pa·s
Curing time 
150℃0.50hr
100℃1.0hr
25℃20hr
storage stability45min

Cured PropertiesNominal valueUnitTest method
Electrical strength> 18kV/mm
Volume resistivity2.1E+15ohms·cm

Notes
1. Typical properties: these are not to be construed as specifications.
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