Amagwiritsidwa ntchito poyeza digiri ya pilling ya nsalu zosiyanasiyana pansi pa kukanikiza pang'ono komanso kukana kwa thonje, bafuta ndi nsalu za silika.
Kukumana ndi muyezo:
GB/T4802.2-2008, GB/T13775, GB/T21196.1, GB/T21196.2, GB/T21196.3, GB/T21196.4; FZ/T20020; ISO12945.2, 12947; ASTM D 4966, 4970, IWS TM112, akhoza kuwonjezeredwa ku mpira ndi chimbale mayeso ntchito (ngati mukufuna) ndi mfundo zina.