CHT Group QM 231 30 Shore A, Translucent, Addition Cure Moldmaking Material

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CHT Group QM 231 30 Shore A, Translucent, Addition Cure Moldmaking Material
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Product Description: QM 231 is a two-component, room temperature, addition cure, silicone material. The cured rubber has excellent mechanical properties and good shelf-life stability. This material has been designed for the prototyping industry. However, it is also a good choice for the molding of furniture, picture frames and architectural materials. Key Features: Translucent Fast demold time Excellent physical properties Excellent dimensional stability Casting resin resistance Main Applications: Molds for rapid prototyping Molds for architectural replication Molds for polyester, epoxy, and rigid or foam polyurethane resin casting 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	Metric	English	Comments

Specific Gravity	0.980 g/cc	0.980 g/cc	QM 231B
	1.10 g/cc	1.10 g/cc	QM 231A
Viscosity	800 cP	800 cP	QM 231B
	50000 cP	50000 cP	Catalyzed
	70000 cP	70000 cP	QM 231A
Linear Mold Shrinkage	<= 0.0010 cm/cm	<= 0.0010 in/in	Cured

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	30	30	Cured
Tensile Strength	4.83 MPa	700 psi	Cured
Elongation at Break	511 %	511 %	Cured
Tear Strength	16.0 kN/m	91.0 pli	Cured

Processing Properties	Metric	English	Comments
Cure Time	1080 - 1440 min	18.0 - 24.0 hour	Demold time, Catalyzed
Pot Life	300 min	300 min	Catalyzed

Descriptive Properties
Color	Clear		QM 231B, Uncatalyzed
	Translucent		Catalyzed
	Translucent		QM 231A, Uncatalyzed

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Overview of materials for Silicone Rubber

PACC2047 / 199435

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