sed los ntsuas cov huab cua permeability ntawm woven fabrics, knitted fabrics, nonwovens, coated fabrics, industrial lim ntaub ntawv thiab lwm yam breathable tawv, yas, industrial ntawv thiab lwm yam khoom siv tshuaj. Ua raws li GB / T5453, GB / T13764, ISO 9237, EN ISO 7231, AFNOR G07, ASTM D737, BS5636, DIN 53887, EDANA 140.1, JIS L1096, TAPPIT2573, ISO 2573-19 lwm yam.