CHT Group QM 2225 25 Shore A, Condensation Cure Moldmaking Material

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CHT Group QM 2225 25 Shore A, Condensation Cure Moldmaking Material
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Product Description: QM 2225 is a two-component, room temperature, condensation cure silicone material. The cured rubber has excellent mechanical properties and good shelf-life stability. This material is an excellent choice for the molding of intricate patterns, skin molding and applications where higher durometer, dimensional stability and extremely tough rubber are required. A variety of catalysts are offered with this material. Key Features: Low specific gravity High tear strength Low viscosity Long work-life Fast demold time Excellent flowability Main Applications: Molds for large and small statues Molds for polyester, polyurethane and epoxy resin castings Molds for technical articles and prototypes Molds for furniture and picture frame replication Molds for GFRC pre-cast 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	Uncatalyzed MM Purple
	1.00 g/cc	Uncatalyzed MM Green
	1.00 g/cc	Uncatalyzed MM Blue
	1.00 g/cc	Uncatalyzed MM Red
	1.09 g/cc	Catalyzed MM Purple
	1.09 g/cc	Catalyzed MM Red
	1.10 g/cc	Uncatalyzed QM 2223
Viscosity	150 cP	Uncatalyzed MM Purple
	150 cP	Uncatalyzed MM Green
	150 cP	Uncatalyzed MM Blue
	150 cP	Uncatalyzed MM Red
	32700 cP	Catalyzed MM Purple
	32700 cP	Catalyzed MM Red
	63000 cP	Uncatalyzed QM 2223
Linear Mold Shrinkage	<= 0.0025 cm/cm	Cured 3 days RT

Mechanical Properties	Original Value	Comments
Hardness, Shore A	25	Cured 3 days RT
Tensile Strength	600 psi	Cured 3 days RT
Elongation at Break	500 %	Cured 3 days RT
Tear Strength	140 pli	Cured 3 days RT

Processing Properties	Original Value	Comments
Cure Time	6.00 - 8.00 hour	Demold time, Catalyzed MM Red
	10.0 - 12.0 hour	Demold time, Catalyzed MM Purple
	72.0 hour @Temperature 25.0 °C
Tack-Free Time	4.00 - 6.00 hour	Catalyzed MM Red
	6.00 - 8.00 hour	Catalyzed MM Purple
Pot Life	45.0 min	Catalyzed MM Red
	90.0 min	Catalyzed MM Purple

Descriptive Properties
Color	Blue	Uncatalyzed MM Blue
	Green	Uncatalyzed MM Green
	Light Purple	Catalyzed MM Purple
	Light Red	Catalyzed MM Red
	Purple	Uncatalyzed MM Purple
	Red	Uncatalyzed MM Red
	White	Uncatalyzed QM 2223

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PACC2045 / 199433

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