3M 444 teepu nwere akụkụ abụọ kpuchie ya na nrapado 3M 300, ihe ntanye acrylic siri ike, dabara nke ọma maka ijikọ nke ọma, ihe ndị dị mkpa na nrụgide fọdụrụnụ dị ala.Ọ bụ nnọọ adabara bonding LSE na HSE plastics dị ka ụfụfụ, polyethylene, wdg abụọ n'akụkụ nke 0,5 mil PET film nke nwere ike melite bughi kwụsie ike na-ntekwasa na nrapado.The teepu nwere 55 # ok kraft akwụkwọ ntọhapụ.
1.9 mil teepu mkpuchi okpukpu abụọ nwere PET polyester carrier na 55 lb densified kraft liner DKHigh adhesion na ọtụtụ ihe dị ka HSE LSE na ọla.Ezigbo nguzogide okpomọkụ na ezigbo mgbochi UV.Ike bee nke ọma
Ọ dị mma maka ịbanye na njikọta na ngwa eletrọnịkị na ngwa ụlọ ọrụ n'ozuzu.Mgbakwụnye ụfụfụ na gasket.