聚氨酯拖鏈電纜與普通拖鏈電纜的區(qū)別就是外護(hù)套材料換成聚氨酯材料，使電纜更加耐彎曲、耐折、耐磨、耐油，用于連續(xù)往復(fù)運(yùn)動(dòng)下的移動(dòng)使用。聚氨酯拖鏈電纜組成成分：
導(dǎo)體：精細(xì)無(wú)氧裸銅絲，多股絞合；
絕緣：高強(qiáng)度進(jìn)口PE材料；
內(nèi)護(hù)套：高強(qiáng)度特種復(fù)合護(hù)套專用材料；
屏蔽：防氧化鍍錫銅網(wǎng)編織屏蔽，編織密度≥85%以上，可有效防止來(lái)自內(nèi)部和外部的干擾；
外護(hù)套：高強(qiáng)度進(jìn)口PUR材料；
護(hù)套顏色：灰色，黑色，橙色，綠色；
額定電壓：<0.5mm，300/300V；≥0.5mm，300/500V；
使用溫度范圍：固定安裝：-40℃~80℃；移動(dòng)使用：0℃~70℃；
最小彎曲半徑：固定安裝：5X電纜外徑；移動(dòng)使用：7.5X電纜外徑；
聚氨酯拖鏈電纜應(yīng)用于數(shù)控機(jī)床，立車，玻璃機(jī)械，木工機(jī)械，機(jī)器人機(jī)械手，切割機(jī)，雕刻機(jī)，門窗機(jī)械等多種自動(dòng)化機(jī)械設(shè)備。
二、聚氨酯拖鏈電纜特性
1、耐磨性：聚氨酯材質(zhì)具有高耐磨損性能，替代丁腈護(hù)套拖鏈電纜線適用于高耐磨環(huán)境；
2、耐油性：對(duì)于長(zhǎng)時(shí)間接觸或浸泡油污的環(huán)境下的電纜，特別是具有腐蝕性的油污，聚氨酯護(hù)套的拖鏈電纜線滿足需求，且可在這樣的環(huán)境下長(zhǎng)時(shí)間移動(dòng)彎曲使用，其性能是常規(guī)丁腈材質(zhì)護(hù)套電纜不可替代的；
3、防水性：對(duì)于長(zhǎng)時(shí)間接觸水或者直接浸泡在水中，如應(yīng)用于遠(yuǎn)洋水下設(shè)備的高柔性電纜，以防海水專用聚氨酯材質(zhì)作為護(hù)套，防水性能優(yōu)異，耐水解；
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4、溫度范圍：聚氨酯拖鏈電纜產(chǎn)品，其瞬間高溫可達(dá)105℃，長(zhǎng)時(shí)間的工作溫度范圍在-40~+90℃，具有優(yōu)異的高低溫性能；
5、聚氨酯護(hù)套材質(zhì)較之于彈性體丁腈，具有更加優(yōu)異的耐機(jī)械性能，隨設(shè)備的長(zhǎng)時(shí)間循環(huán)往復(fù)移動(dòng)彎曲，能夠適用于更高的移動(dòng)速度和加速度的場(chǎng)合和環(huán)境。
三、聚氨酯拖鏈電纜型號(hào)規(guī)格
聚氨酯拖鏈電纜型號(hào)就是根據(jù)通用拖鏈電纜型號(hào)表示，只不過(guò)為了區(qū)分普通拖鏈電纜型號(hào)在后面加PUR（聚氨酯）例如：
TRVV-PUR：銅芯聚氨酯護(hù)套拖鏈電纜，一般有(2-14)*(4-6)mm2、(2-61)*(0.75-2.5)mm2近六十余種規(guī)格；
TRVVP-PUR：銅芯聚氨酯護(hù)套、軟護(hù)套鍍錫銅絲網(wǎng)編織屏蔽拖鏈電纜，一般有(7-61)*(0.75-1.5)mm2近五十余種規(guī)格；
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TRVVSP-PUR：銅芯聚氨酯護(hù)套對(duì)絞總屏蔽拖鏈電纜，有(4-61)*(0.5-2.5)mm2、(4-37)*(1.5-2.5)mm2六十余種規(guī)格；
RVVYP-PUR：銅芯聚氨酯特殊護(hù)套耐油總屏蔽拖鏈電纜，有(7-61)*(0.75-1.5)mm2近六十余種規(guī)格
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