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將塑料(liao)粉末噴(pen)涂(tu)在(zai)零件(jian)上的一種表(biao)面處理方法。優點是不(bu)需稀料(liao),施(shi)工(gong)(gong)(gong)對環境無污染(ran),對人體無毒害;涂(tu)層外(wai)觀質量(liang)優異,附著力(li)(li)及機械強度強;噴(pen)涂(tu)施(shi)工(gong)(gong)(gong)固化時間短(duan);涂(tu)層耐腐耐磨能力(li)(li)高出(chu)很多、不(bu)需底(di)漆(qi)(qi)、施(shi)工(gong)(gong)(gong)簡便(bian)、對工(gong)(gong)(gong)人技術要(yao)求低、成本低于噴(pen)漆(qi)(qi)工(gong)(gong)(gong)藝。
將塑(su)料(liao)粉末(mo)通過高壓靜(jing)電(dian)設備充電(dian),在(zai)電(dian)場的作用下(xia),將涂料(liao)噴(pen)涂到工(gong)件的表面(mian),粉末(mo)會被(bei)均(jun)勻地(di)吸(xi)附在(zai)工(gong)件表面(mian),形成粉狀的涂層(ceng);而粉狀涂層(ceng)經過高溫烘(hong)烤后流平固化(hua),塑(su)料(liao)顆粒會融化(hua)成一層(ceng)致密的效(xiao)果(guo)(guo)各異的最終保護涂層(ceng);牢牢附著在(zai)工(gong)件表面(mian),噴(pen)塑(su)產品多用于戶內使用的箱(xiang)體(ti),漆膜呈現平光(guang)或(huo)啞光(guang)效(xiao)果(guo)(guo)。噴(pen)塑(su)粉主要有(you)丙烯酸粉末(mo)、聚酯粉末(mo)等。