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Northstar Polymers MGP-D50A High Performance Polyurethane Cast Elastomer System 50D

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 MGP-D50A High Performance Polyurethane Cast Elastomer System 50D.pdf
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Material Notes:
This is a PTMEG/MDI base high-performance polyurethane casting system. This system is recommended to applications in which the part requires some load-bearing, slide abrasion, constant water contact and high elongation with high energy properties. Possible applications for this material include roller skate wheels, bumpers, abrasion resistant liners and parts, rock/sand sizing screens and other specialty applications. 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 D 50
50
ASTM D2240
Tensile Strength 28.3 MPa
4100 psi
ASTM D412
Elongation at Break 250 %
250 %
ASTM D412
100% Modulus 0.0138 GPa
2.00 ksi
ASTM D412
Rebound 30 %
30 %
Bashore Rebound; ASTM D2632
Tear Strength 39.4 kN/m
225 pli
Split; ASTM D624
107 kN/m
610 pli
Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles 90
90
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 30.0 min

@Temperature 93.3 °C
0.500 hour

@Temperature 200 °F
De-mold Time
960 min

@Temperature 82.2 °C
16.0 hour

@Temperature 180 °F
Complete Cure Cycle
Pot Life 2.50 - 3.00 min
2.50 - 3.00 min
Descriptive Properties Value Comments
Curing Agent BNA-005
Prepolymer MGA-036
Weight Ratio 1:0.119
Prepolymer to Curing Agent Ratio
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