Anyị nwere ike imepụta akwụkwọ nzacha phenol resin, maka akwụkwọ nzacha mmanụ / mmanụ.

Ugbu a, anyị nwere ike iwepụta otu ụdị akwụkwọ nke koodu bụ WT32068PNCY7, nke nkọwa akwụkwọ dị ka ndị a:

Grammage 195g, ikuku permeability 60L/m2, Max Pore size bụ 40μm.

A na-eji akwụkwọ a na-emepụta ihe nzacha mmanụ, ọ bụrụ na ị nwere mmasị, nabata ịkpọtụrụ anyị n'efu.

Daalụ