Technical Data Sheet
SCE-42B Neoprene Sponge
NE Series – Soft/Medium
Neoprene / EPDM / SBR
Description
Polymer: Neoprene/EPDM/SBR
ASTM D 1056-67: SCE-42
ASTM D 1056-78: RE42
ASTM D 1056-07: 2A2
ASTM D 1056 Suffix’s: A1, C1, F1, M
MIL-R-6130C: II-A Soft/Med
MIL-C-3133C MIL STD 670 B: SCE7
UL94 HF-1: Listed
Physical Properties
Physical Property
Test Method
Unit
Value
Compression Deflection 25%
ASTM D1056
psi
kPa
5 – 9
34.5 – 62
Density
ASTM D1056
pcf
g/cm3
4 – 8
0.064 – 0.128
Compression Set Maximum
ASTM D1056
%
40
Water Absorption
Max. Weight Change
ASTM D1056
%
10
Temperature Range
ASTM D746
°F
-40 to +200
High Intermittent
ASTM D746
°F
+250
Tensile Strength Typical
ASTM D412 (Die A)
psi
kPa
75
517
Elongation Typical
ASTM D412 (Die A)
%
125
Heat Aging (7 Days – 158 F)
Change in Comp. Defl.
ASTM D1056
%
±30
Thermal Conductivity
ASTM C177-85
K FACTOR
0.30
Resilience (typical)
ASTM D2632
%
35
Color
Black
Chemical Resistance
Acid
EXCELLENT
Ozone
EXCELLENT
Alkali
EXCELLENT
Ketones
FAIR
Gasoline & Oil
FAIR
Chlorinated Solvents
POOR
Aromatic Hydrocarbons
FAIR
Oxidation
EXCELLENT