I. Flame retardant grade hrang hrangte thliar hranna:
ZR: Flame retardancy a kawk a ni. A tlangpuiin, special indication a awm loh chuan ZR hi flame retardant grade hniam ber a ni.
ZA, ZB, ZC, ZD: Heng letter combination-a "Z" tih hi flame retardancy tihna a ni a, a hnuaia letter-te hian specific flame retardant grade a tarlang a ni. An zingah hian A hi level sang ber a ni.
D hi level hniam ber a ni.
II a ni. Flame Retardant Properties: 1.1.
ZA: Flame retardant performance sang ber a nei a, hei hian wire hian kangmei chhuahna hmuna meialh darh zel chu a titawp thei ber tih a tilang.
ZB: A flame retardant performance chu ZA grade aiin a hniam zawk a, a hniam deuh.
ZC: Flame retardant property chu pahnihna a ni a, common flame retardant grade a ni.
