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Northstar Polymers MPP-D65A Polyether Base Polyurethane Resin

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-D65A Polyether Base Polyurethane Resin.pdf
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Material Notes:
MPP-D65A is a polyether base 2-component polyurethane resin casting system for molding and potting applications. It has a long pot-life and gradual curing pattern to provide easier handling for molding 65D hardness urethane material which is stiff but has some flexibility to resist cracking. Typical applications may be molding prototype parts, short run of specialty parts, and other custom parts as well as potting electric components. Because of its relatively long pot life and slow/gradual curing pattern, it allows an easier process to make larger parts comparing to more commonly available faster curing room-temperature casting systems by manual mixing/casting process.Information provided by Northstar Polymers.
Mechanical Properties Metric English Comments
Hardness, Shore D 60 - 70
60 - 70
ASTM D2240
Tensile Strength 8.62 MPa
1250 psi
ASTM D412
Elongation at Break 34 %
34 %
ASTM D412
Rebound 25 %
25 %
Bashore Rebound; ASTM D2632
Tear Strength 68.0 kN/m
388 pli
Die C; ASTM D624
Processing Properties Metric English Comments
Processing Temperature 21.1 - 25.0 °C
70.0 - 77.0 °F
Prepolymer Temperature
21.1 - 25.0 °C
70.0 - 77.0 °F
Curing Agent Temperature
Mold Temperature 21.1 - 48.9 °C
70.0 - 120 °F
Cure Time 60.0 min

@Temperature 25.0 °C
1.00 hour

@Temperature 77.0 °F
De-mold Time
120 - 240 min

@Temperature 82.2 °C
2.00 - 4.00 hour

@Temperature 180 °F
Complete Cure Cycle
2880 - 4320 min

@Temperature 25.0 °C
48.0 - 72.0 hour

@Temperature 77.0 °F
Complete Cure Cycle
Pot Life 10.0 - 13.0 min
10.0 - 13.0 min
Descriptive Properties Value Comments
Curing Agent PPA-017
Prepolymer MNB-013
Weight Ratio 1:1.25
Prepolymer to Curing Agent Ratio
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