A-A-2950A
Table I. Performance requirements.
|
Property |
Requirement |
Procedure |
|
Breaking strength, Wale Course |
60.0 pounds (267 N), minimum 60.0 pounds (267 N), minimum |
ASTM D 751, Grab Method. |
|
Tearing strength, Wale Course |
10.0 pounds (44.5 N), minimum 10.0 pounds (44.5 N), minimum |
ASTM D 1117, Trapezoid Tear |
|
Surface abrasion resistance |
No wear through to the vinyl foam after 500 cycles (double rubs) |
ASTM D 4157 Using abradant silicone-carbon cloth 240 grit. |
|
Adhesion of coating to fabric, Wale Course |
6.0 lb (267 N), minimum, 2-in width 6.0 lb (267 N), minimum, 2-in width |
ASTM D 751 |
|
Accelerated weathering resistance |
No appreciable fading of the color, discoloration, exudation, development of tackiness, or stiffness after 120 hours. “Appreciable” means a change that is noticeable on first glance in comparing the tested specimens with the original sample. |
ASTM D 4329 |
|
Hydrostatic resistance |
50 lb/sq in (35.2 g/sq cm), minimum |
ASTM D 751 |
|
Loss of plasticizer |
10.0 percent, maximum |
CFPA-18. |
|
Cold resistance |
The cloth shall not crack through to the base cloth at -20 + 2 degrees F. (-29 + 1 degrees C.) |
CFPA-6, Steel Roller Method |
|
Flexing resistance |
No separation of vinyl foam from vinyl wear layer or base cloth after 15, 000 cycles. |
ASTM D 2097 |
|
Stitch-tear resistance, Wale Course |
25.0 pounds (111 N), minimum 20.0 pounds (89 N), minimum |
ASTM D 751, Seam Strength |
|
Blocking resistance |
Slight blocking, maximum |
ASTM D 751 |
|
Colorfastness to Crocking, Dry Wet |
AATCC Gray Scale for Evaluating Color Change: 3.5, minimum 3.5, minimum |
AATCC 8 |
|
Elongation, Wale Course |
5.0 percent, minimum 25.0 percent, minimum |
SAE J 855 |
|
Flame resistance, After flame Char length |
2.0 seconds, maximum 3.0 inches, maximum |
FED-STD-191 Methods 5830 and 5903 |
|
Mildew resistance |
No fungal growth |
ASTM G 21 |
|
Oil resistance |
No indication that the oil has permeated the coated cloth. |
CFPA-13 |
2.3 Label/marking. A label with markings indicating the manufacturer’s name or trademark, product number, and run number shall be attached to each roll of the coated cloth.
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