尼(ni)龍拉(la)(la)鏈(lian)(lian)是(shi)拉(la)(la)鏈(lian)(lian)的(de)一種，是(shi)用(yong)(yong)尼(ni)龍單(dan)絲通(tong)過加熱壓模纏繞(rao)中心線(xian)組(zu)成(cheng)的(de)。根據(ju)拉(la)(la)鏈(lian)(lian)的(de)材質，拉(la)(la)鏈(lian)(lian)分為三大類：金(jin)(jin)(jin)屬(shu)拉(la)(la)鏈(lian)(lian)、樹脂拉(la)(la)鏈(lian)(lian)、尼(ni)龍拉(la)(la)鏈(lian)(lian)。金(jin)(jin)(jin)屬(shu)拉(la)(la)鏈(lian)(lian)牙(ya)(ya)齒是(shi)用(yong)(yong)銅線(xian)或鋁(lv)線(xian)通(tong)過排(pai)牙(ya)(ya)機(ji)器排(pai)出來(lai)的(de)，樹脂拉(la)(la)鏈(lian)(lian)牙(ya)(ya)齒是(shi)用(yong)(yong)聚脂塑(su)料米通(tong)過染料配色并(bing)通(tong)過注塑(su)機(ji)器排(pai)出來(lai)的(de)，而尼(ni)龍拉(la)(la)鏈(lian)(lian)牙(ya)(ya)齒是(shi)用(yong)(yong)尼(ni)龍單(dan)絲通(tong)過加熱壓模纏繞(rao)中心線(xian)組(zu)成(cheng)的(de)。相(xiang)比金(jin)(jin)(jin)屬(shu)拉(la)(la)鏈(lian)(lian)、樹脂拉(la)(la)鏈(lian)(lian)，尼(ni)龍拉(la)(la)鏈(lian)(lian)有成(cheng)本低、產量大、普及率高(gao)的(de)特點(dian)。