CHT Group QM 226 26 Shore A, Addition Cure Moldmaking Material

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CHT Group QM 226 26 Shore A, Addition Cure Moldmaking Material
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Product Description: QM 226 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 moldmaking of intricate patterns, skin molding and applications where a low durometer material is required. Key Features: Low viscosity Fast demold time Excellent physical properties Excellent flexibility Excellent library life Main Applications: Special effects Applications where low modulus is required 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 226B
	1.12 g/cc	1.12 g/cc	QM 226A
Viscosity	8000 cP	8000 cP	QM 226B
	17000 cP	17000 cP	Catalyzed
	20000 cP	20000 cP	QM 226A
Linear Mold Shrinkage	<= 0.0010 cm/cm	<= 0.0010 in/in	Cured

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	26	26	Cured
Tensile Strength	4.48 MPa	650 psi	Cured
Elongation at Break	650 %	650 %	Cured
Tear Strength	15.8 kN/m	90.0 pli	Cured

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

Processing Properties	Metric	English	Comments
Cure Time	360 - 480 min	6.00 - 8.00 hour	Demold time, Catalyzed
Pot Life	30.0 min	30.0 min	Catalyzed

Descriptive Properties
Color	Red		QM 226B, Uncatalyzed
	Red		Catalyzed
	Translucent		QM 226A, Uncatalyzed

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PACC2046 / 199434

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