尼(ni)(ni)龍(long)拉(la)(la)鏈(lian)(lian)是(shi)(shi)拉(la)(la)鏈(lian)(lian)的(de)一種(zhong)，是(shi)(shi)用(yong)(yong)尼(ni)(ni)龍(long)單絲通(tong)(tong)過(guo)(guo)加(jia)熱(re)(re)壓模纏繞(rao)(rao)中(zhong)心(xin)線(xian)組成的(de)。根據拉(la)(la)鏈(lian)(lian)的(de)材(cai)質，拉(la)(la)鏈(lian)(lian)分為三大(da)(da)類：金屬拉(la)(la)鏈(lian)(lian)、樹脂(zhi)拉(la)(la)鏈(lian)(lian)、尼(ni)(ni)龍(long)拉(la)(la)鏈(lian)(lian)。金屬拉(la)(la)鏈(lian)(lian)牙齒是(shi)(shi)用(yong)(yong)銅線(xian)或鋁線(xian)通(tong)(tong)過(guo)(guo)排牙機(ji)器(qi)排出來的(de)，樹脂(zhi)拉(la)(la)鏈(lian)(lian)牙齒是(shi)(shi)用(yong)(yong)聚脂(zhi)塑料米通(tong)(tong)過(guo)(guo)染料配(pei)色并(bing)通(tong)(tong)過(guo)(guo)注塑機(ji)器(qi)排出來的(de)，而尼(ni)(ni)龍(long)拉(la)(la)鏈(lian)(lian)牙齒是(shi)(shi)用(yong)(yong)尼(ni)(ni)龍(long)單絲通(tong)(tong)過(guo)(guo)加(jia)熱(re)(re)壓模纏繞(rao)(rao)中(zhong)心(xin)線(xian)組成的(de)。相比金屬拉(la)(la)鏈(lian)(lian)、樹脂(zhi)拉(la)(la)鏈(lian)(lian)，尼(ni)(ni)龍(long)拉(la)(la)鏈(lian)(lian)有(you)成本低、產量大(da)(da)、普及率高的(de)特點。