CHT Group QM 1125 25 Shore A Addition Cure Moldmaking Material

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CHT Group QM 1125 25 Shore A Addition Cure Moldmaking Material
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Product Description: QM 1125 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 the molding of furniture, picture frames, architectural materials and duplicating silicone for dental lab use. QM 1125 is exceptionally good where highly detailed parts and mold flexibility are required. Key Features: Low viscosity Fast demold time Casting resin resistance Excellent flexibility Main Applications: 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 Duplicating silicone for dental lab use Formerly Amber Chemical Co (ACC Silicones), aquired by CHT in 2017
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Physical Properties	Metric	English	Comments

Specific Gravity	1.23 g/cc	1.23 g/cc	Uncatalyzed A
	1.23 g/cc	1.23 g/cc	Uncatalyzed B
Viscosity	3480 cP	3480 cP	Uncatalyzed B
	3960 cP	3960 cP	Uncatalyzed A
Linear Mold Shrinkage	0.0010 cm/cm	0.0010 in/in	Cured, 60 mins at 25°C

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	26	26	Cured, 60 mins at 25°C
Tensile Strength	1.98 MPa	287 psi	Cured, 60 mins at 25°C
Elongation at Break	230 %	230 %	Cured, 60 mins at 25°C

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

Processing Properties	Metric	English	Comments
Cure Time	60.0 min @Temperature 25.0 °C	1.00 hour @Temperature 77.0 °F
Tack-Free Time	<= 900 min	<= 15.0 hour	Catalyzed
Gel Time	2.00 - 5.00 min	2.00 - 5.00 min	Catalyzed

Descriptive Properties
Color	Beige		Uncatalyzed A
	Blue		Uncatalyzed B
	Light Blue		Catalyzed

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PACC2040 / 199428

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