Songhan Plastic Technology Co.,Ltd.

Northstar Polymers MPP-A60A Liquid Castable 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-A60A Liquid Castable Polyurethane.pdf
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Material Notes:
MPP-A60A is a room-temperature-cure liquid castable polyurethane system. This ether-base polyurethane system is used in applications such as mold-making, prototyping, production of cast parts, potting, tool-making, and many other applications. MPP-A60A is designed for an easy operation for industrial applications without special casting or heating equipment. Its low viscosity also makes it easy to achieve replicating the details of the mold/original with a fine resolution. Urethane elastomer parts made of this system exhibit: Fine resolution of mold details Good cut/tear resistance for its class Good performance in wet environments Easy-to-use room-temperature-curable Small shrinkage factor The suitable applications of MPP-A60A include stamps/patterns and molds designed to transfer a decorative image to wet surfaces as well as a potting compound for electronic applications where low viscosity liquid resin is required to encapsulate small wires and components. It is also suitable for many other custom applications where flexibility and strength of the parts are required.Information provided by Northstar Polymers.
Mechanical Properties Metric English Comments
Hardness, Shore A 55 - 60
55 - 60
ASTM D2240
Tensile Strength 2.52 MPa
366 psi
Elongation at Break 157 %
157 %
Rebound 40 %
40 %
Bashore Rebound; ASTM D2632
Tear Strength 2.45 kN/m
14.0 pli
Split; ASTM D624
20.7 kN/m
118 pli
Die C; ASTM D624
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 240 - 360 min

@Temperature 25.0 °C
4.00 - 6.00 hour

@Temperature 77.0 °F
De-mold Time
2880 min

@Temperature 25.0 °C
48.0 hour

@Temperature 77.0 °F
Complete Cure Cycle
Pot Life 10.0 - 15.0 min
10.0 - 15.0 min
Descriptive Properties Value Comments
Curing Agent PBA-055
Prepolymer MPN-023
Weight Ratio 1:2.38
Prepolymer to Curing Agent Ratio
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