1.1 This provisional specification covers low, medium, and high density polyethylene rods, and tubes for general purpose, dielectric, and weather resistant applications.
1.1.1 Coverage--This provisional specification covers polyethylene rods and tubes made from material conforming to L-P-390.
1.2 Classification-- Polyethylene rods and tubes include the applicable type, class, and grade (see 3.1 and 6.2) in accordance with Table 1 , as follows:
1.3 This specification is intended to replace MIL-P-21922B.
Note 1--There is no similar or equivalent ISO standard.
1.4 The values are stated in inch-pound units.
1.5 The following precautionary caveat pertains only to the test method portion, 4.4, of this specification:This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
1.6 The classification system outlined is intended to be identical to that used by the Department of Defense for many years. No changes are intended at this time.
1.6 Provisional standards achieve limited consensus through approval of the sponsoring subcommittee.