Kugwiritsa ntchito zida:
Amagwiritsidwa ntchito poyesa kukana kutentha ndi kukana kunyowa kwa nsalu, zovala, zofunda, ndi zina zotero, kuphatikizapo kuphatikiza nsalu zokhala ndi zigawo zambiri.
Kukwaniritsa muyezo:
GBT11048, ISO11092 (E), ASTM F1868, GB/T38473 ndi miyezo ina.