CHT Group QM 2325 25 Shore A, Condensation Cure Moldmaking Material

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CHT Group QM 2325 25 Shore A, Condensation Cure Moldmaking Material
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Product Description: QM 2325 is a two-component, room temperature, condensation cure, silicone material. The cured rubber is flexible and has excellent mechanical and physical properties in addition to good shelf-life stability. This material is an excellent choice for the molding of intricate patterns which involve deep undercuts and where dimensional stability becomes important while maintaining a fairly low modulus. Key Features: Low viscosity Excellent tear resistance Fast demold time Moderately high durometer with a moderately low modulus Main Applications: Molds for large statues, small statues and monument restoration Molds for polyester, polyurethane and epoxy resin castings Molds for technical articles and prototypes Molds for architecture and picture frames Formerly Amber Chemical Co (ACC Silicones), aquired by CHT in 2017
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Physical Properties	Metric	English	Comments

Specific Gravity	1.00 g/cc	1.00 g/cc	MM Cat 2300 Green, Uncatalyzed
	1.10 g/cc	1.10 g/cc	MM Cat 2300 Green, Catalyzed
	1.11 g/cc	1.11 g/cc	QM 2325, Uncatalyzed
Viscosity	200 cP	200 cP	MM Cat 2300 Green, Uncatalyzed
	28000 cP	28000 cP	MM Cat 2300 Green, Catalyzed
	35000 cP	35000 cP	QM 2325, Uncatalyzed
Linear Mold Shrinkage	<= 0.0030 cm/cm	<= 0.0030 in/in	Cured 3 days at 25°C

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	25	25	Cured 3 days at 25°C
Tensile Strength	3.45 MPa	500 psi	Cured 3 days at 25°C
Elongation at Break	500 %	500 %	Cured 3 days at 25°C
Tear Strength	24.5 kN/m	140 pli	Cured 3 days at 25°C

Processing Properties	Metric	English	Comments
Dry Time	16.0 - 24.0 hour	16.0 - 24.0 hour	MM Cat 2300 Green, Catalyzed
Cure Time	4320 min @Temperature 25.0 °C	72.0 hour @Temperature 77.0 °F
Tack-Free Time	360 - 480 min	6.00 - 8.00 hour	MM Cat 2300 Green, Catalyzed
Pot Life	60.0 min	60.0 min	MM Cat 2300 Green, Catalyzed

Descriptive Properties
Color	Beige		QM 2325, Uncatalyzed
	Green		MM Cat 2300 Green, Uncatalyzed
	Light Green		MM Cat 2300 Green, Catalyzed

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PACC2048 / 199436

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