EVA防水(shui)板(ban)(ban)(ban)的生產(chan)工(gong)藝采用國內先進(jin)的兩(liang)段共擠(ji)(ji)單摞桿擠(ji)(ji)出(chu)法生產(chan), 由原料(liao)樹(shu)(shu)脂EVA加入增強劑、抗(kang)氧劑,經(jing)加熱熔融、塑化、擠(ji)(ji)出(chu)成(cheng)(cheng)形(xing)、牽引(yin)后(hou)形(xing) 成(cheng)(cheng)的板(ban)(ban)(ban)材,也可與穿(chuan)好吊帶(dai)的土(tu)工(gong)織(zhi)物(wu)(信號層)熱合(he)(he)成(cheng)(cheng)一體(ti),形(xing)成(cheng)(cheng)復合(he)(he)防水(shui)板(ban)(ban)(ban), 也可采用擠(ji)(ji)出(chu)壓(ya)延(yan)法,即將樹(shu)(shu)脂擠(ji)(ji)出(chu)機(ji)熔融塑化,從機(ji)頭(tou)狹縫模口擠(ji)(ji)出(chu)熔融狀的 片坯與吊帶(dai)融合(he)(he)一體(ti),經(jing)輥筒壓(ya)延(yan)冷卻成(cheng)(cheng)光膜,或與穿(chuan)好吊帶(dai)的土(tu)工(gong)織(zhi)物(wu)融合(he)(he)一 體(ti),經(jing)輥筒壓(ya)延(yan)冷卻成(cheng)(cheng)復合(he)(he)防水(shui)板(ban)(ban)(ban)材。
EVA防(fang)(fang)(fang)水板(ban)是以(yi)高分子聚(ju)合(he)(he)(he)物為基本原(yuan)(yuan)料制(zhi)成(cheng)的(de)一(yi)種防(fang)(fang)(fang)滲(shen)材料,既可(ke)以(yi)防(fang)(fang)(fang)止液體滲(shen)漏,也(ye)可(ke)以(yi)預防(fang)(fang)(fang)氣體揮發。在建筑、交(jiao)通、地鐵、隧道、工(gong)(gong)程(cheng)建設中廣泛運(yun)用(yong)。EVA防(fang)(fang)(fang)水板(ban)由原(yuan)(yuan)料樹(shu)脂(zhi)EVA加入增強劑、抗氧(yang)劑,經加熱熔(rong)(rong)融、塑化、擠(ji)(ji)出成(cheng)形(xing)、牽引后形(xing)成(cheng)的(de)板(ban)材,也(ye)可(ke)與(yu)穿好吊帶的(de)土(tu)工(gong)(gong)織物(信號層)熱合(he)(he)(he)成(cheng)一(yi)體,形(xing)成(cheng)復(fu)合(he)(he)(he)防(fang)(fang)(fang)水板(ban)。也(ye)可(ke)采(cai)用(yong)擠(ji)(ji)出壓(ya)延(yan)(yan)法,即將(jiang)樹(shu)脂(zhi)擠(ji)(ji)出機熔(rong)(rong)融塑化,從機頭狹縫模口擠(ji)(ji)出熔(rong)(rong)融狀的(de)片(pian)坯與(yu)吊帶融合(he)(he)(he)一(yi)體,經輥(gun)筒壓(ya)延(yan)(yan)冷卻成(cheng)光(guang)膜,或與(yu)穿好吊帶的(de)土(tu)工(gong)(gong)織物融合(he)(he)(he)一(yi)體,經輥(gun)筒壓(ya)延(yan)(yan)冷卻成(cheng)復(fu)合(he)(he)(he)防(fang)(fang)(fang)水板(ban)材。