CHT Group TuffGel 338 High Strength Silicone Gel

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CHT Group TuffGel 338 High Strength Silicone Gel
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Product Description: TufGel 338 is a clear, tough, moderately cross-linked silicone elastomer, which has good room temperature cure adhesion to many substrates. Silicone gels are used to provide protection from vibration and thermal or mechanical shock. Silicone gels also provide excellent moisture protection. Key Features: One to one mix ratio High strength Long gel time Dispensing equipment not necessary Good adhesion to many substrates including glass, aluminum and copper Formerly Amber Chemical Co (ACC Silicones), aquired by CHT in 2017
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Physical Properties	Metric	English	Comments

Specific Gravity	0.970 g/cc	0.970 g/cc	Uncatalyzed, TufGel 338A
	0.970 g/cc	0.970 g/cc	Uncatalyzed, TufGel 338B
Viscosity	350 cP	350 cP	Uncatalyzed, TufGel 338B
	500 cP	500 cP	Uncatalyzed, TufGel 338A

Mechanical Properties	Metric	English	Comments
Hardness, Shore OO	35 @Temperature 25.0 °C, Time 173000 sec	35 @Temperature 77.0 °F, Time 48.0 hour
	45 @Treatment Temp. 150 °C, Time 1800 sec	45 @Treatment Temp. 302 °F, Time 0.500 hour

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	204 °C	399 °F
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F

Processing Properties	Metric	English	Comments
Cure Time	30.0 min @Temperature 150 °C	0.500 hour @Temperature 302 °F
	60.0 min @Temperature 100 °C	1.00 hour @Temperature 212 °F
Gel Time	480 min	480 min	Catalyzed

Descriptive Properties
Appearance	Transparent		Uncatalyzed, TufGel 338A
	Transparent		Uncatalyzed, TufGel 338B

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CHT Group TuffGel 339 High Strength Silicone Gel

PACC2133 / 199521

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