CHT Group QM 264 QSI Quantum Silicones 60 Durometer Addition Cure Moldmaking Material

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CHT Group QM 264 QSI Quantum Silicones 60 Durometer Addition Cure Moldmaking Material
Categories:	Polymer; Thermoset; Silicone
Material Notes:	QM 264 is a two component, room temperature addition cure silicone material. The cured rubber has excellent mechanical properties, good shelf-life stability, excellent physical properties and resin resistance. This material is a good choice for the molding of furniture, picture frames and architectural materials. QM 264 is exceptionally good where high durometer and dimensional stability are required. Material complies with FDA indirect food contact regulation CFR 177.2600. Key Features: High Durometer Casting resin resistance Fast demold time Excellent dimensional stability Main Applications: Molds for architectural replication Molds for polyester, epoxy resin casting, and rigid or foam polyurethane Molds for technical articles and prototype 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	Uncatalyzed, QM 264B
	1.28 g/cc	Base
Viscosity	5200 cP	Uncatalyzed, QM 264B
	110000 cP	catalyzed with QM 264B
	150000 cP	Base
Linear Mold Shrinkage	<= 0.0010 cm/cm	cured 72 hrs @ RT
Storage Temperature	<= 38.0 °C	12 months

Mechanical Properties	Original Value	Comments
Hardness, Shore A	60	cured 72 hrs @ RT
Tensile Strength	5.50 MPa	cured 72 hrs @ RT
Elongation at Break	240 %	cured 72 hrs @ RT
Tear Strength	120 pli	cured 72 hrs @ RT

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 - 18 hour	Demold time, catalyzed with QM 264B
Pot Life	75.0 min	catalyzed with QM 264B

Compliance Properties	Original Value	Comments
FDA	Yes

Descriptive Properties
Color	Beige	Base
	Blue	Uncatalyzed, QM 264B
	Light Blue	catalyzed with QM 264B

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PACC070 / 22197

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