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ACC QM 245 QSI Quantum Silicones 45 Durometer Addition Cure Moldmaking Material

Category Polymer , Thermoset , Silicone
Manufacturer Amber Chemical Company
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF ACC QM 245 QSI Quantum Silicones 45 Durometer Addition Cure Moldmaking Material.pdf
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Material Notes:
QM 245 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 245 is exceptionally good where highly detailed parts and mold flexibility are required. Complies with FDA indirect food contact regulation CFR 177.2600 (Red Catalyst only is CFR 177.2600 compliant)Key Features: Excellent tear resistance Casting resin resistance Fast demold time Good mold flexibilityMain Applications: Molds for architectural replication Molds for polyester, polyurethane and epoxy resin castings Molds for technical articles and prototype Molds for furniture and picture frame replication Part of the Amber Chemical Group. Data provided by manufacturer.
Physical Properties Metric English Comments
Specific Gravity 0.960 g/cc
0.960 g/cc
Uncatalyzed, QM 245B
1.34 g/cc
1.34 g/cc
Base
Viscosity 2000 cP
2000 cP
Uncatalyzed, QM 245B
30000 cP
30000 cP
catalyzed with QM 245B
50000 cP
50000 cP
Base
Linear Mold Shrinkage <= 0.0010 cm/cm
<= 0.0010 in/in
cured 72 hrs @ RT
Storage Temperature <= 38.0 °C
<= 100 °F
12 months
Mechanical Properties Metric English Comments
Hardness, Shore A 45
45
cured 72 hrs @ RT
Tensile Strength, Yield 4.10 MPa
595 psi
cured 72 hrs @ RT
Elongation at Break 400 %
400 %
cured 72 hrs @ RT
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
Dry Time 6 - 8 hour
6 - 8 hour
Demold time, catalyzed with QM 230F B
Descriptive Properties Value Comments
Color Beige
Base
Dark Red
Uncatalyzed, QM 245B
Red
catalyzed with QM 245F B
Work Life 42 mins
catalyzed with QM 245F B
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