A suggestion was made at the last subcommittee meeting to change the WVT on Grade 2 and Grade 3 to match the Mil spec requirement. The current WVT value is 0.10 perm and the Mil spec is 0.30 perm. We felt this change would more accurately reflect the current Mil spec requirement as the minimum.
Keywordscellular elastomeric; cellular materials; elastomeric; flexibility; linear shrinkage; preformed thermal insulation; sheet material; thermal insulating materials—pipe;
Ballot Item Approved as C534/C534M-2014 and Pending Publication