MIL-DTL-44050B
3.6.2 Type II. The cloth shall be woven using a 2 by 2 basket weave.
3.7 Finish.
3.7.1 Class 1. The cloth shall be scoured open width and dried following guidelines supplied by
the fiber producer.
3.7.2 Class 2 (all types). The cloth shall be scoured (see 3.7.1) and water-repellent treated. The
water-repellent treatment shall be fluorochemical based combined with a melamine extender and
meet the requirements specified in Table I, 3.8, 3.9, (see 6.4) and 3.10.
3.7.3 Class 3 (Types III, IV and V). The cloth shall be scoured (see 3.7.1) and treated with an
approved emulsified fluorochemical combined with a melamine extender in order to meet the
requirements specified in Table I (see 6.4) and 3.10, for a controlled maximum treatment or
minimum dynamic absorption.
3.7.4 Class 4 (all types). The fabric shall be delivered directly from the loom without scouring.
Any finish to include slashing shall require the fabric to be scoured and classified as Class 1
material.
3.8 Spray rating (Class 2). The results of three individual determinations on the sample unit for
spray rating shall be equal to or better than 100, 100, 90 initially and 90, 90, 80 after one
laundering when tested as specified in 4.4.3.
3.9 Resistance to organic liquid (Class 2). The finished cloth shall show no wetting by n-
dodecane initially, and after one laundering when tested as specified in 4.4.3.
3.10 Ballistic resistance.
3.10.1 Ballistic limit (Type I). The ballistic limit V50 for eight layers of unbonded cloth shall be
not less than 1200 feet per second when tested as specified in 4.4.3, when using a 10 shot V50
with a maximum spread of 125 feet per second.
3.10.2 Bullet resistance (Type IA). Panels made up of eight plies of cloth shall defeat the 22
caliber, 40 grain long rifle (high velocity), lead bullets at 1050 + 50, -0 feet per second and the
38 caliber, 158 grain special round nose lead bullets at 850 + 50, -0 feet per second when tested
as specified in 4.4.3.
3.10.3 Ballistic limit (Type II). The ballistic Limit V50 for 12 layers of unbonded cloth shall be
not less than 1550 feet per second when tested as specified in 4.4.3 when using a 10 shot V50
with a maximum spread of 125 feet per second.
3.10.4 Ballistic limit (Type III). The ballistic limit V50 for 10 layers of unbonded cloth shall be
not less than 1250 feet per second when tested as specified in 4.4.3 when using a 10 shot V50
with a maximum spread of 125 feet per second.
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