CHT Group QSil 602 Optically Clear, Addition Cure Silicone Elastomer

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CHT Group QSil 602 Optically Clear, Addition Cure Silicone Elastomer
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Product Description: QSil 602 is an optically clear, two-part, addition cure silicone elastomer that has excellent adhesion to a wide variety of substrates, including glass, polycarbonate and acrylic when used with a primer. Key Features: Clarity Adhesion to polycarbonate and acrylic with primer Material must be heat cured Formerly Amber Chemical Co (ACC Silicones), aquired by CHT in 2017
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Physical Properties	Original Value	Comments

Specific Gravity	1.01 g/cc	Uncatalyzed, QSil 602B
	1.03 g/cc	Uncatalyzed, QSil 602A
Viscosity	1900 cP	Uncatalyzed, QSil 602B
	70000 cP	Uncatalyzed, QSil 602A

Mechanical Properties	Original Value	Comments
Hardness, Shore A	35	Cure 13 hours at 104°C
Tensile Strength	417 psi	Cure 13 hours at 104°C
Elongation at Break	320 %	Cure 13 hours at 104°C
Tensile Modulus	327 psi	Young's, Cure 13 hours at 104°C
Adhesive Bond Strength	>= 85.0 psi	Peel (primed)
	>= 290 psi	Lap shear (primed)
	408 psi	Adhesion to polycarbonate, lap shear
Tear Strength	44.0 pli	Cure 13 hours at 104°C

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	204 °C
Minimum Service Temperature, Air	-55.0 °C

Processing Properties	Original Value	Comments
Cure Time	13.0 hour @Temperature 104 °C	Cure time for optimal adhesion
	60.0 min @Temperature 150 °C
	120 min @Temperature 120 °C
Pot Life	>= 360 min	Catalyzed

Descriptive Properties
Color	Clear	Uncatalyzed, QSil 602A
	Clear	Uncatalyzed, QSil 602B

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PACC2105 / 199493

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