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Northstar Polymers MPS-F08A Hand-Mixable Flexible Foam

Category Polymer , Thermoset , Polyurethane, TS , Thermoset Polyurethane Foam, Unreinforced
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 MPS-F08A Hand-Mixable Flexible Foam.pdf
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Material Notes:
This foam formulation is designed to make molded flexible foam parts/sheets/dies/blocks by hand-mixing or machine casting by the meter dispensing equipment. The components are stable and liquid at room temperature and ambient pressure. It requires minimum tooling for a small production or short runs. The mixing ratio is simple 1:2 by volume. These properties are ideal in small scale productions for custom foam applications such as custom seating, padding, and cushioning. Generally this medium density foam yields firmer foam comparing to lower density foams. For softer, less firm foam quality, a 6 pound-per-cubic foot formula MPS-F06B is recommended. Or for firmer grade, use firm-flexible foam FFM-1. The free-rise density of the foam is 7.5 pounds per cubic foot, and the cell structure is open-cell. This is an MDI base water-blown polyester/polyether hybrid system, and it does not use flammable or ozone-layer-depleting auxiliary blowing agents Examples for Applications: Molded Upholstery Parts Custom Seating, Padding, and Cushioning Parts Custom Packaging of Impact/Vibration-Sensitive Items Prototyping Information provided by Northstar Polymers.
Physical Properties Metric English Comments
Density 0.120 g/cc
0.00434 lb/in³
Free Rise Density
0.128 g/cc
0.00463 lb/in³
Typical Compression Density
Mechanical Properties Metric English Comments
Hardness, Shore OO 25 - 35
25 - 35
Tensile Strength 0.331 MPa
48.0 psi
Elongation at Break 130 %
130 %
Compressive Strength 0.0241 MPa

@Strain 25.0 %
3.50 psi

@Strain 25.0 %
0.0634 MPa

@Strain 50.0 %
9.20 psi

@Strain 50.0 %
Rebound 30 %
30 %
Bashore Rebound
Tear Strength 0.596 kN/m
3.40 pli
Split Tear Resistance
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 37.8 - 54.4 °C
100 - 130 °F
Cure Time 19.8 - 40.2 min

@Temperature 43.3 °C
0.330 - 0.670 hour

@Temperature 110 °F
De-mold Time
60.0 min

@Temperature 82.2 °C
1.00 hour

@Temperature 180 °F
Complete Cure Cycle
1440 min

@Temperature 25.0 °C
24.0 hour

@Temperature 77.0 °F
Complete Cure Cycle
Pot Life 0.500 min
0.500 min
Descriptive Properties Value Comments
Curing Agent PPC-031
Prepolymer MSA-018
Weight Ratio 1:1.7
Prepolymer to Curing Agent Ratio
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