Characteristics | Test Method | English | Metric |
Areal Weight | ASTM D3776 | 19.0 oz./sq. yd. | 645 gms./sq.m. |
Thickness | ASTM D1777 | 0.045 inches | 1.14 mm. |
Breaking Strength (lbs.) | |||
Warp | ASTM D5034 | 400 lbs. | 1779 N |
Fill |
ASTM D5034 | 150 lbs. | 667 N |
Tear Strength (lbs.) | |||
Warp |
ASTM D1424 | CNM | CNM |
Fill |
ASTM D1424 | 45 lbs. | 200 N |
Flame Resistance |
|||
After Flame (max.) |
ASTM D6413 | 2.0 seconds | 2.0 seconds |
Char Length (max.) |
ASTM D6413 | 0.5 inches | 1.3 cm. |
Radiant Reflectivity (min.) | MIL-C-24929A | 30 seconds | 30 seconds |
1081 is a heavyweight, plain weave fabric with a Korspun yarn.
The yarn contains a higher content glass core than 1081
with an aramid wrap.
The glass provides thermal stability and the aramid gives
it mechanical resistance.
It gives excellent protection in protective clothing
against moderate metal splash.