CHT Group QM 255 55 Shore A, Addition Cure Moldmaking Material

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

CHT Group QM 255 55 Shore A, Addition Cure Moldmaking Material
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Product Description: QM 255 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 and architectural materials. QM 255 is exceptionally good where highly detailed parts and mold flexibility are required. Key Features: Casting resin resistance Fast demold time Excellent dimensional stability Main Applications: Molds for architectural replication Molds for polyester, epoxy resin casting and rigid or foam polyurethane Molds for technical articles and prototypes Molds for furniture and picture frame replication Formerly Amber Chemical Co (ACC Silicones), aquired by CHT in 2017
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Metric	English	Comments

Specific Gravity	0.980 g/cc	0.980 g/cc	QM 255B, Uncatalyzed
	1.35 g/cc	1.35 g/cc	QM 255A, Uncatalyzed
Viscosity	2000 cP	2000 cP	QM 255B, Uncatalyzed
	35000 cP	35000 cP	Catalyzed
	45000 cP	45000 cP	QM 255A, Uncatalyzed
Linear Mold Shrinkage	<= 0.0010 cm/cm	<= 0.0010 in/in	Cured 3 days at 25°C

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	55	55	Cured 3 days at 25°C
Tensile Strength	3.10 MPa	450 psi	Cured 3 days at 25°C
Elongation at Break	400 %	400 %	Cured 3 days at 25°C
Tear Strength	14.0 kN/m	80.0 pli	Cured 3 days at 25°C

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	204 °C	399 °F	Cured 3 days at 25°C
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F	Cured 3 days at 25°C

Processing Properties	Metric	English	Comments
Cure Time	360 - 480 min	6.00 - 8.00 hour	Demold time, Catalyzed
	4320 min @Temperature 25.0 °C	72.0 hour @Temperature 77.0 °F
Pot Life	20.0 min	20.0 min	Catalyzed

Descriptive Properties
Color	Beige		QM 255A, Uncatalyzed
	Black		QM 255B, Uncatalyzed
	Grey		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.

Users viewing this material also viewed the following:
CHT Group QSil 58 QSI Quantum Silicones 50 Durometer Condensation Cure for Potting
CHT Group QM 240T 40 Shore A, Translucent, Addition Cure Moldmaking Material
CHT Group QM 258 60 Shore A, Addition Cure Moldmaking Material
CHT Group QM 254 60 Shore A, Addition Cure Moldmaking Material
CHT Group QM 261 60 Shore A, Addition Cure Moldmaking Material

PACC2053 / 199441

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message