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
12/99