Northstar Polymers VEF-152 Polyurethane Foam Flexible Foam

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Northstar Polymers VEF-152 Polyurethane Foam Flexible Foam
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced
Material Notes:	VEF-152 is a 2-part polyurethane foam casting resin system that makes open-cell flexible foam with viscoelastic property with the following attributes for a variety of cushioning and other custom applications. The cured foam has a slow recovery after an indentation is made. The foam stays flexible at a very lower temperature. The component materials are low viscosity liquid at room temperature. The pot-life is above 25 seconds, which allows small amounts to be batched manually. The consistency of the foam is easily modified by adjusting the mixing ratios between part-A/B components. VEF-152 provides a range of foam consistency to be adjusted by varying the mixing ratio between the part-A/ part-B components. The recommended mixing ratio range is between 100:260 and 100:300 = part-A: part-B by weight. A higher part-B ratio makes foam with slower recovery rate and smaller compression deflection. This set of properties makes VEF-152 a more user-friendly viscoelastic foam formulation material for manufacturers of custom seat cushions and other specialty products. Part-A Component: MPC-022 (Prepolymer) Part-B Component: PPC-032 (Curing Agent ) (Part-A) (Part-B) Volume Ratio (Firmer): 1.000: 3.050 Weight Ratio (Firmer): 1.000: 2.600 Volume Ratio (Softer): 1.000: 3.519 Weight Ratio (Softer): 1.000: 3.000 Information provided by Northstar Polymers
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Available Properties
Specific Gravity, Part-B Specific Gravity, Part-A Density, Foam; Free Rise Viscosity, Part-A Viscosity, Part-B Processing Temperature Processing Temperature Mold Temperature Cure Time, Demolding Cure Time, Complete Pot Life

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Plastic

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