... 50g/m2 60g/m2 roll width:6' 9' 12' yellow glass mat 9'' 244m Fiberglass pipe wrap tissue is used as basic ... .Moisture content%<0.5Air Permeabilitym3/m2*s5.5-18.9------ Widthmm 6'', 9'', 12''The mat’s width will be produced according ... customers’ requirements. Roll Lengthm2500±502000±501500±50 yellow glass mat 9'' 244m