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Northstar Polymers MSB-A95A High Performance Polyurethane Cast Elastomer System

Category Polymer , Thermoset , Polyurethane, TS , Thermoset Polyurethane, Liquid
Manufacturer Northstar Polymers
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Northstar Polymers MSB-A95A High Performance Polyurethane Cast Elastomer System.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 high tensile strength, 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. This is a conventional “full-prepolymer” type material cured with 1,4 BDO. Can be approved for FDA dry food contact.Information provided by Northstar Polymers.
Mechanical Properties Metric English Comments
Hardness, Shore A 95
95
ASTM D2240
Tensile Strength 29.41 MPa
4266 psi
ASTM D412
Elongation at Break 400 %
400 %
ASTM D412
100% Modulus 0.0103 GPa
1.50 ksi
ASTM D412
300% Modulus 0.0228 GPa
3.30 ksi
ASTM D412
Rebound 30 %
30 %
Bashore Rebound; ASTM D2632
Tear Strength 52.6 kN/m
300 pli
Split; ASTM D624
123 kN/m
700 pli
Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles 8.0
8.0
ASTM D4060
Processing Properties Metric English Comments
Processing Temperature 25.0 °C
77.0 °F
Curing Agent Temperature
82.2 - 93.3 °C
180 - 200 °F
Prepolymer Temperature
Mold Temperature 82.2 - 93.3 °C
180 - 200 °F
Cure Time 15.0 min

@Temperature 93.3 °C
0.250 hour

@Temperature 200 °F
De-mold Time
960 min

@Temperature 82.2 °C
16.0 hour

@Temperature 180 °F
Complete Cure Cycle
Pot Life 3.00 min
3.00 min
Descriptive Properties Value Comments
Curing Agent BNA-005
Prepolymer MSA-042
Weight Ratio 1:0.102
Prepolymer to Curing Agent Ratio
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