World class silicones for worldwide solutions

QSil 219


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TDS
SDS
Description
Two-part Transparent Liquid Silicone Elastomer
Feature
  • Low linear shrinkage
  • Non-yellowing catalyst system
  • Chemical adhesion with use of primer
  • Meets Mil-I-81550C (type II) standard
Code
QSil 219
Feature
Feature 1
Low linear shrinkage
Feature 2
Non-yellowing catalyst system
Feature 3
Chemical adhesion with use of primer
Feature 4
Meets Mil-I-81550C (type II) standard
Color
Transparent and Colorless
Color A
Transparent and colorless
Color B
Transparent and colorless
Cure Profile
30 mins at 150°C, 60 mins at 100°C, 180 mins at 60°C
Cure Type
Addition
Dielectric Constant
2.69
Dielectric Strength (V/mil)
500 V/mil
Dissipation Factor
0.0006
Elongation at Break
100 %
Gel Time at 25°C/77°F
>5 hr
Hardness Shore A
45
Linear Coefficient of Thermal Expansion (ppm/°C)
275 ppm/°C
Linear Shrinkage (%)
<0.1 %
Max Storage Temperature
38 °C
Max Working Temp
204 °C
Min Working Temp
-55 °C
Mix Ratio By Weight
10:1
Refractive Index at 589 nm
1.406
Rheology
Liquid, Newtonian
Shelf Life
24 mths
Specific Gravity A
1.02
Specific Gravity B
1.00
Specific Heat (cal/g-°C)
0.3
Tensile Strength
5.17 N/mm2
Thermal Conductivity
0.18 W/mK
Viscosity Mixed
3700 cP
Volume Resistivity (Ohms cm)
2.57E+14 ohms cm
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