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Northstar Polymers MPP-D80B Rigid Polyurethane

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 MPP-D80B Rigid Polyurethane.pdf
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Material Notes:
MPP-D80B has a high load-bearing property at hardness 80 D Durometer. This material has a relatively slow curing pattern. Whereas many polyurethane formulations of this hardness cure very fast thus are very difficult to hand-batch or to cast a larger part. MPP-D80B gives a long pot-life for ease of process. The combination of there properties makes this material ideal for prototyping molding to imitate hard plastic parts. The material will cure at room temperature. However, processing at a slightly elevated temperature (110 - 120 ºF) will allow faster demolding time to achieve a better production rate. This material can be processed at either room temperature or using heat. Note: Heat distortion temperature of this material is relatively low and it is not suitable for application which require load bearing property at an elevated temperature range.Information provided by Northstar Polymers.
Mechanical Properties Metric English Comments
Hardness, Shore D 80
80
ASTM D2240
Tensile Strength 55.2 MPa
8000 psi
ASTM D412
Elongation at Break 5.0 %
5.0 %
ASTM D412
Flexural Strength 68.9 MPa
10000 psi
Flexural Modulus 2.07 GPa
300 ksi
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) 60.0 °C
140 °F
Processing Properties Metric English Comments
Processing Temperature 21.1 - 32.2 °C
70.0 - 90.0 °F
Prepolymer Temperature
21.1 - 32.2 °C
70.0 - 90.0 °F
Curing Agent Temperature
Mold Temperature 21.1 - 32.2 °C
70.0 - 90.0 °F
Cure Time 480 - 540 min

@Temperature 25.0 °C
8.00 - 9.00 hour

@Temperature 77.0 °F
De-mold Time
2880 - 4320 min

@Temperature 25.0 °C
48.0 - 72.0 hour

@Temperature 77.0 °F
Complete Cure Cycle
Pot Life 15.0 - 18.0 min
15.0 - 18.0 min
Descriptive Properties Value Comments
Curing Agent PND-011
Prepolymer MPN-023
Weight Ratio 1:0.454
Prepolymer to Curing Agent Ratio
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