3M 444 fa'apipi'i lua itu fa'apipi'iina i le 3M 300 fa'apipi'i, o se mea fa'apipi'i fa'apipi'i malosi, e fetaui lelei mo le fa'apipi'i lamolemole, mea manifinifi ma le fa'amama maualalo.E fetaui lelei mo le faʻapipiʻiina o le LSE ma le HSE palasitika e pei o le foam, polyethylene, ma isi itu uma e lua o le 0.5 mil PET ata e mafai ona faʻaleleia le faʻamautuina o le fausaga o loʻo ufiufi i le faʻapipiʻi.O le lipine o lo'o i ai le 55 # pepa fa'asao kraft mafiafia.
1.9 miliona fa'apipi'i fa'apipi'i fa'alua fa'atasi ma le PET polyester carrier i luga o le 55 lb densified kraft paper liner DKHigh fa'apipi'i i le tele o mea e pei ole HSE LSE ma metala.Le lelei o le vevela ma le lelei o le UV.Malosi pa'u lelei
Lelei mo le faʻapipiʻiina ma faʻapipiʻi i mea tau eletise ma faʻalapotopotoga lautele.Fa'apipi'i foam ma gasket.