MATERIAL SPECIFICATIONS FOR:

Polytech® Neoprene Blend Foam

PNB-F41/F42/F43

Physical Properties

Polymer Base: Neoprene/EPDM/SBR

Designations: F41 F42 F43

Color: Black Black Black

Compression deflection: (25% Deflection): psi 2-5 5-9 9-13

(kN/m2) (14-35) (35-62) (62-90)

Compression Set %: 30 to 50 30 to 50 30 to 50

Tensile strength (min) Psi: 75 100 100

Elongation (typical properties): % 150 150 150

Density (lb/cu.ft.): 5-7 6-8 8-10

Thermal Conductivity (K factor): .30 .30 .30

Water absorption, maximum weight: 5 5 5

Ozone Resistance: Good Good Good

Durometer Shore 00 (approx.) 30-50 45-60 55-70

Service Temperature

Low(oF): -40 -40 -40

High Continuous (oF): +200 +200 +200

High Intermittent (oF): +250 +250 +250

Specifications

ASTM-D-1056-67: SCE41 SCE42 SCE43

ASTM-D-1056-68/78: RE41 RE42 RE43

ASTM-D-1056-91: 2A1C1 2A2C1 2A3C1

Type Grade: Soft Soft-Medium Medium

U.L. 94 HF-1 PASS PASS PASS

FMVSS-302 PASS PASS PASS

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