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ACC QM 2128 QSI Quantum Silicones 28 Durometer Condensation 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 2128 QSI Quantum Silicones 28 Durometer Condensation Cure Moldmaking Material.pdf
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Material Notes:
QM 2128 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 high durometer, dimensional stability and extremely tough rubber are required. A variety of catalysts are offered with this material. Key Features: Low specific gravity Low viscosity High tear strengthLong work-life Fast demold time Excellent dimensional stabilityMain Applications: Molds for large and small statues Molds for polyester, polyurethane and epoxy resin castings Molds for technical articles and prototype Molds for furniture and picture frame replication Molds for GFRC pre-castPart of the Amber Chemical Group. Data provided by manufacturer.
Physical Properties Metric English Comments
Specific Gravity 1.00 g/cc
1.00 g/cc
Uncatalyzed, Moldmaster Purple
1.00 g/cc
1.00 g/cc
Uncatalyzed, Moldmaster Green
1.00 g/cc
1.00 g/cc
Uncatalyzed, Moldmaster Blue
1.00 g/cc
1.00 g/cc
Uncatalyzed, Moldmaster Red
1.13 g/cc
1.13 g/cc
catalyzed with Moldmaster Green
1.13 g/cc
1.13 g/cc
catalyzed with Moldmaster Blue
1.13 g/cc
1.13 g/cc
catalyzed with Moldmaster Red
1.13 g/cc
1.13 g/cc
catalyzed with Moldmaster Purples
Viscosity 150 cP
150 cP
Uncatalyzed, Moldmaster Purple
150 cP
150 cP
Uncatalyzed, Moldmaster Green
150 cP
150 cP
Uncatalyzed, Moldmaster Blue
150 cP
150 cP
Uncatalyzed, Moldmaster Red
35000 cP
35000 cP
catalyzed with Moldmaster Green
35000 cP
35000 cP
catalyzed with Moldmaster Blue
35000 cP
35000 cP
catalyzed with Moldmaster Red
35000 cP
35000 cP
catalyzed with Moldmaster Purple
35000 cP
35000 cP
Base
Linear Mold Shrinkage <= 0.0025 cm/cm
<= 0.0025 in/in
cured 72 hrs @ RT
Storage Temperature <= 38.0 °C
<= 100 °F
6 months
Mechanical Properties Metric English Comments
Hardness, Shore A 28
28
cured 72 hrs @ RT
Tensile Strength, Yield 4.14 MPa
600 psi
cured 72 hrs @ RT
Elongation at Break 500 %
500 %
cured 72 hrs @ RT
Tear Strength 28.0 kN/m
160 pli
B, cured 72 hrs @ RT
Processing Properties Metric English Comments
Dry Time 4 - 6 hour
4 - 6 hour
Demold time, catalyzed with Moldmaster Red
4.00 - 6.00 hour
4.00 - 6.00 hour
Demold time, catalyzed with Moldmaster Blue
8 - 10 hour
8 - 10 hour
Demold time, catalyzed with Moldmaster Purple
8.00 - 10.0 hour
8.00 - 10.0 hour
Demold time, catalyzed with Moldmaster Green
Cure Time 120 - 240 min
2.00 - 4.00 hour
Tack Free Time, catalyzed with Moldmaster Blue
120 - 240 min
2.00 - 4.00 hour
Tack Free Time, catalyzed with Moldmaster Red
240 - 360 min
4.00 - 6.00 hour
Tack Free Time, catalyzed with Moldmaster Green
240 - 360 min
4.00 - 6.00 hour
Tack Free Time, catalyzed with Moldmaster Purple
Descriptive Properties Value Comments
Color Beige
Base
Blue
Uncatalyzed, Moldmaster Blue
Dark Purple
catalyzed with Moldmaster Purple
Green
Uncatalyzed, Moldmaster Green
Light Blue
catalyzed with Moldmaster Blue
Light Green
catalyzed with Moldmaster Green
Light Red
catalyzed with Moldmaster Red
Purple
Uncatalyzed, Moldmaster Purple
Red
Uncatalyzed, Moldmaster Red
Work Life 30 mins
catalyzed with Moldmaster Blue
30 mins
catalyzed with Moldmaster Red
60 mins
catalyzed with Moldmaster Purple
60 mins
catalyzed with Moldmaster Green
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