CHT Group QSil 7720 Addition Cure Potting Material

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CHT Group QSil 7720 Addition Cure Potting Material
Categories:	Other Engineering Material; Additive/Filler for Polymer
Material Notes:	Product Description: QSil 7720 is a two-component 100% silicone solids elastomer designed for roller applications. The system offers a low durometer material with excellent physical properties as well as a low compression set, when post-cured. Key Features: 100% solids, no solvents Excellent physical properties Low compression set Excellent adhesion when used with a primer Formerly Amber Chemical Co (ACC Silicones), aquired by CHT in 2017
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Physical Properties	Metric	English	Comments

Specific Gravity	1.24 g/cc	1.24 g/cc	Uncatalyzed, QSil 7720A
	1.24 g/cc	1.24 g/cc	Uncatalyzed, QSil 7720B
Viscosity	65000 cP	65000 cP	Uncatalyzed, QSil 7720A
	65000 cP	65000 cP	Uncatalyzed, QSil 7720B

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	20	20	Cured, 15 Minutes at 150 °C
Tensile Strength	3.45 MPa	500 psi	Cured, 15 Minutes at 150 °C
Elongation at Break	350 %	350 %	Cured, 15 Minutes at 150 °C
Tear Strength	14.0 kN/m	80.0 pli	Cured, 15 Minutes at 150 °C
Compression Set	8.5 %	8.5 %	Cured

Processing Properties	Metric	English	Comments
Cure Time	15.0 min @Temperature 150 °C	0.250 hour @Temperature 302 °F	As Tested
Gel Time	>= 1440 min	>= 1440 min	Catalyzed

Descriptive Properties
Color	Beige		Uncatalyzed, QSil 7720B
	Red		Uncatalyzed, QSil 7720A

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PACC2108 / 199496

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