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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Hardness, Shore A	25	Cured 3 days at 25°C
Tensile Strength	500 psi	Cured 3 days at 25°C
Elongation at Break	500 %	Cured 3 days at 25°C
Tear Strength	140 pli	Cured 3 days at 25°C

Processing Properties	Original Value	Comments
Dry Time	16.0 - 24.0 hour	MM Cat 2300 Green, Catalyzed
Cure Time	72.0 hour @Temperature 25.0 °C
Tack-Free Time	6.00 - 8.00 hour	MM Cat 2300 Green, Catalyzed
Pot Life	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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