ASTM Testing

R400 Rubber @ 20 Dry Mils Test Results

Viscosity, KU
Initial Kreb Units 123
Heat Aged Kreb Units 126
 
pH
Initial Unstated 8.9
Heat Aged Unstated 8.5
Adhesion - Dry (PLI)
Mod. Bitumen ASTM C794 0.8 A
Concrete Block ASTM C794 8.9 A, C
Galvanized ASTM C794 2.2 A
Asphalt Shingle ASTM C794 2.0 A, C
Adhesion - Wet (PLI)
Mod. Bitumen ASTM C794 0.5 A
Concrete Block ASTM C794 14.2 C, CP
Galvanized ASTM C794 1.9 A
Asphalt Shingle ASTM C794 0.6 AC
Early Blister Resistance
16 Hour Cure Unstated NO BLISTERS
24 Hour, water 25mil Unstated NO BLISTERS
Salt Spray Resistance
11 Days Salt Spray ASTM B117, ASTM D1654 10
Water Swelling %
24 Hour Immersion ASTM D823, ASTM D471 16.9%
PERMS ASTM D1653, ASTM E 96 5
50 Hours W-O-M Elongation
Room Temperature
% to max. Stress ASTM D412 700%
% to Break ASTM D412 700%
% Recovery ASTM D412 44%
32 Degrees F.
% to max. Stress ASTM D412 430%
% to Break ASTM D412 430%
% Recovery ASTM D412 28%
Tensile Strength, PSI
Room Temperature
% to max. Stress ASTM D2370 1350 PSI
% to Break ASTM D2370 1350 PSI