DEFSTAN 93-70/1(1993) : 1993
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
ETHYLENE PROPYLENE DIENE RUBBER, BLACK, 91 IRHD
Hardcopy , PDF
28-03-2003
English
01-01-1993
Gives requirements for a high quality black ethylene propylene diene compound designated EPDM 91, the number being the nominal hardness of the vulcanizate, intended for the manufacture of respirator components where there are no dermatitic or toxic considerations.
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