CHT Group QM 265 60 Shore A, Addition Cure Moldmaking Material

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CHT Group QM 265 60 Shore A, Addition Cure Moldmaking Material
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Product Description: QM 265 is a two-component, room temperature, addition cure, silicone material. The cured rubber has excellent mechanical properties and good shelf-life stability. This material is a good choice for the molding of furniture, picture frames and architectural materials and other applications where high durometer and dimensional stability are required. Key Features: High durometer Casting resin resistance Fast demold time Excellent dimensional stability Main Applications: Molds for architectural application Molds for polyester, epoxy resin casting, and rigid or foam polyurethane Molds for technical articles and prototypes Molds for furniture and picture frame replication Formerly Amber Chemical Co (ACC Silicones), aquired by CHT in 2017
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Physical Properties	Original Value	Comments

Specific Gravity	1.03 g/cc	QM 265B, Uncatalyzed
	1.28 g/cc	QM 265A, Uncatalyzed
Viscosity	1000 cP	QM 265B, Uncatalyzed
	120000 cP	Catalyzed
	150000 cP	QM 265A, Uncatalyzed
Linear Mold Shrinkage	<= 0.0010 cm/cm

Mechanical Properties	Original Value	Comments
Hardness, Shore A	60	Cured 3 days at 150°C
Tensile Strength	800 psi	Cured 3 days at 150°C
Elongation at Break	240 %	Cured 3 days at 150°C
Tear Strength	120 pli	Cured 3 days at 150°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	12.0 - 18.0 hour	Demold time, Catalyzed
	72.0 hour @Temperature 150 °C
Pot Life	120 min	Catalyzed

Descriptive Properties
Color	Beige	QM 265A, Uncatalyzed
	Beige	Catalyzed
	Clear	QM 265B, Uncatalyzed

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PACC2058 / 199446

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