World class silicones for worldwide solutions

QSil 220


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TDS
SDS
Description
Two-part Self-Bonding Transparent Liquid Silicone Elastomer
Feature
  • Low linear shrinkage
  • Non-yellowing catalyst system
  • Self-bonding without primer, requires cure at elevated temperature to build adhesion and develop full physical properties
  • Can be mixed by hand or machine dispensed
Code
QSil 220
Feature
Feature 1
Low linear shrinkage
Feature 2
Non-yellowing catalyst system
Feature 3
Self-bonding without primer, requires cure at elevated temperature to build adhesion and develop full physical properties
Feature 4
Can be mixed by hand or machine dispensed
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
Elongation at Break
150 %
Gel Time at 25°C/77°F
>24 hr
Hardness Shore A
30
Linear Coefficient of Thermal Expansion (ppm/°C)
322 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
Self Bonding
Yes
Shelf Life
24 mths
Specific Gravity A
1.02
Specific Gravity B
1.01
Tensile Strength
2.07 N/mm2
Thermal Conductivity
0.18 W/mK
UL File No.
QMFZ2.E205830
Viscosity A
5,000 cP
Viscosity B
600 cP
Viscosity Mixed
4100 cP
Volume Resistivity (Ohms cm)
1.7E+15 ohms cm
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