1)Materials: Polyester, Nylon, PP, PE, PTFE, Nomex, Fiberglass, etc. 2)Technics: ... ceramics, building materials, lime and plaster6) Dust treatment, purification and collection in electronics, mining, foodstuff processing, flour and timber processingFull specified ... filter, material of 304;316L,single bag number 01;02;04, jacket type (for heating), multiple ...