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Northstar Polymers MSS-A70GQ High Performance Polyurethane Cast Elastomer System 70A

Category Polymer , Thermoset , Polyurethane, TS , Thermoset Polyurethane, Liquid
Manufacturer Northstar Polymers
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Northstar Polymers MSS-A70GQ High Performance Polyurethane Cast Elastomer System 70A.pdf
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Material Notes:
This is a Ester/MDI base high-performance polyurethane casting system. This systems is recommended to applications in which the part requires cut/tear resistance, dry-abrasion resistance, slow response speed, and low energy rebound/response. Ester base systems are generally less expensive than PTMEG base material. Possible applications for this material include skirting for conveyer belts, abrasion resistance liners and parts, and other specialty parts. Unlike conventional full-prepolymer systems, quasi system formulation improves processability, in-mold flow, and components mixing by use of low viscosity prepolymer. This results better physical properties of the products. Can be approved for FDA dry food contact.Information provided by Northstar Polymers.
Mechanical Properties Metric English Comments
Hardness, Shore A 70
70
ASTM D2240
Tensile Strength 29.0 MPa
4200 psi
ASTM D412
Elongation at Break 800 %
800 %
ASTM D412
Tear Strength 28.0 kN/m
160 pli
Split; ASTM D624
52.6 kN/m
300 pli
Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles 12
12
ASTM D4060
Processing Properties Metric English Comments
Processing Temperature 82.2 °C
180 °F
Prepolymer Temperature
82.2 °C
180 °F
Curing Agent Temperature
Mold Temperature 93.3 °C
200 °F
Cure Time 15.0 min

@Temperature 93.3 °C
0.250 hour

@Temperature 200 °F
De-mold Time
900 min

@Temperature 82.2 °C
15.0 hour

@Temperature 180 °F
Complete Cure Cycle
Pot Life 3.00 min
3.00 min
Gel Time 4.00 min
4.00 min
Descriptive Properties Value Comments
Curing Agent SBA-041
Prepolymer MSA-018
Weight Ratio 1:2.219
Prepolymer to Curing Agent Ratio
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