玻璃鋼(gang)制品以(yi)其超強的(de)(de)(de)抗腐蝕能(neng)力成為很多行業(ye)的(de)(de)(de)傳輸介質,但是它(ta)又是憑借什么才實現它(ta)的(de)(de)(de)獨有特(te)性。纖維纏繞玻璃鋼(gang)制品結構(gou)(gou)上(shang)分內襯層(ceng)、結構(gou)(gou)層(ceng)及外(wai)保(bao)護(hu)層(ceng)三部分。其中,內襯層(ceng)樹(shu)(shu)(shu)脂含量高(gao),一般在70%以(yi)上(shang),其內表面富樹(shu)(shu)(shu)脂層(ceng)樹(shu)(shu)(shu)脂含量高(gao)達95%左右。通(tong)過對內襯所用樹(shu)(shu)(shu)脂的(de)(de)(de)選擇,可(ke)(ke)使玻璃鋼(gang)制品在輸送液(ye)體(ti)時(shi)具有不同(tong)的(de)(de)(de)耐腐蝕性能(neng),從而滿足不同(tong)的(de)(de)(de)工作需(xu)要(yao);對需(xu)外(wai)防(fang)腐的(de)(de)(de)場合,只(zhi)需(xu)對外(wai)保(bao)護(hu)層(ceng)樹(shu)(shu)(shu)脂進行認真選擇,便也可(ke)(ke)達到(dao)不同(tong)外(wai)防(fang)腐的(de)(de)(de)使用目的(de)(de)(de)。
玻璃(li)(li)鋼制(zhi)品根據不同(tong)的腐(fu)蝕(shi)環(huan)境(jing)(jing),可選(xuan)(xuan)(xuan)用(yong)不同(tong)的防(fang)腐(fu)樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi),主要包括:間(jian)苯型(xing)不飽和聚酯(zhi)樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)、乙(yi)烯(xi)基樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)、雙(shuang)酚(fen)A樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)、環(huan)氧樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)及呋喃樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)等(deng),根據具(ju)體情況分別(bie)選(xuan)(xuan)(xuan)用(yong):對(dui)(dui)酸性環(huan)境(jing)(jing),選(xuan)(xuan)(xuan)用(yong)雙(shuang)酚(fen)A樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)、呋喃樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)等(deng);對(dui)(dui)堿性環(huan)境(jing)(jing),選(xuan)(xuan)(xuan)用(yong)乙(yi)烯(xi)基樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)、環(huan)氧樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)或呋喃樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)等(deng);對(dui)(dui)溶(rong)劑型(xing)使用(yong)環(huan)境(jing)(jing),選(xuan)(xuan)(xuan)用(yong)呋喃等(deng)樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi);當(dang)酸、鹽(yan)、溶(rong)劑等(deng)腐(fu)蝕(shi)不是十分嚴重時(shi),則可選(xuan)(xuan)(xuan)用(yong)價格較為低廉的間(jian)苯型(xing)樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)。通過對(dui)(dui)內襯層不同(tong)樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)的選(xuan)(xuan)(xuan)擇,便可使玻璃(li)(li)鋼制(zhi)品廣泛用(yong)于酸、堿、鹽(yan)、溶(rong)劑等(deng)工作(zuo)環(huan)境(jing)(jing)中,表現出(chu)良好的耐腐(fu)蝕(shi)性能。