一、什么是反光膜
反(fan)(fan)光(guang)膜,是利用(yong)(yong)光(guang)學原理(li),能把光(guang)線逆反(fan)(fan)射回到光(guang)源(yuan)處的一(yi)種反(fan)(fan)光(guang)材(cai)料(liao),是應(ying)用(yong)(yong)最為廣泛的一(yi)種逆反(fan)(fan)射材(cai)料(liao),主(zhu)要(yao)利用(yong)(yong)玻璃珠技(ji)(ji)(ji)術(shu)(shu),微棱鏡技(ji)(ji)(ji)術(shu)(shu)、合成樹(shu)脂技(ji)(ji)(ji)術(shu)(shu),薄(bo)膜技(ji)(ji)(ji)術(shu)(shu)和涂敷技(ji)(ji)(ji)術(shu)(shu)和微復制(zhi)技(ji)(ji)(ji)術(shu)(shu)制(zhi)成,廣泛應(ying)用(yong)(yong)于交(jiao)通領域,其顏色鮮亮,夜(ye)間可(ke)以反(fan)(fan)光(guang),從而起到警示(shi)作用(yong)(yong)。一(yi)般反(fan)(fan)光(guang)膜主(zhu)要(yao)采用(yong)(yong)聚合物材(cai)料(liao)制(zhi)成,常見的有(you)PET、PC、PMMA、PVC四種材(cai)質,不同材(cai)質的反(fan)(fan)光(guang)膜在性能和使(shi)用(yong)(yong)壽命方面有(you)所差別。
二、反光膜多少錢一平方
一般來說,反光膜有Ⅰ到Ⅶ類七個等級,不同等級的反光膜價格有所不同,除此之外,反光膜價格還會受到其顏色圖案、尺寸規格、生產廠家、材質做工等因素的影響,一般在80~120元/㎡左右,如果需要特殊定制印字、貼字的話,價格可能更高,具體價格要咨詢商家。反光膜作為反光材料,在很多地方都可以買到,像五金店、建材市場、部分汽車用品店都有賣的,也可以網購;如果購買量比較大的話,建議聯系專門的反光膜生產廠家采購,批量采購價格會優惠一些,注意選擇好的反光膜品牌購(gou)買,購(gou)買時還可以通過看材質、看亮度、看厚度、聞味(wei)道(dao)等(deng)方(fang)法判斷反光膜的質量。
三、反光膜分類與級別
反(fan)光(guang)(guang)膜(mo)(mo)(mo)(mo)的(de)(de)(de)分(fen)類(lei)(lei)方(fang)法(fa)(fa)有很多(duo),其(qi)中比較普(pu)遍接受的(de)(de)(de)分(fen)類(lei)(lei)原則,是(shi)以逆反(fan)射單元的(de)(de)(de)基本結(jie)構(gou)(gou)為(wei)(wei)(wei)(wei)(wei)基礎(chu),根據反(fan)光(guang)(guang)膜(mo)(mo)(mo)(mo)正面(mian)光(guang)(guang)度(du)性(xing)能的(de)(de)(de)逆反(fan)射系數高(gao)低為(wei)(wei)(wei)(wei)(wei)主(zhu)的(de)(de)(de)排(pai)序(xu)方(fang)法(fa)(fa),按照《道(dao)路交(jiao)(jiao)(jiao)通(tong)反(fan)光(guang)(guang)膜(mo)(mo)(mo)(mo)》(GB/T 18833-2012)的(de)(de)(de)規定,反(fan)光(guang)(guang)膜(mo)(mo)(mo)(mo)按照其(qi)光(guang)(guang)度(du)性(xing)結(jie)構(gou)(gou)和(he)用(yong)(yong)(yong)途,分(fen)為(wei)(wei)(wei)(wei)(wei)7種類(lei)(lei)型(xing):1、I類(lei)(lei):通(tong)常(chang)(chang)為(wei)(wei)(wei)(wei)(wei)透(tou)鏡(jing)(jing)(jing)埋(mai)入(ru)式玻璃(li)珠(zhu)型(xing)結(jie)構(gou)(gou),稱(cheng)(cheng)工程級反(fan)光(guang)(guang)膜(mo)(mo)(mo)(mo),使(shi)(shi)用(yong)(yong)(yong)壽(shou)(shou)命(ming)一般為(wei)(wei)(wei)(wei)(wei)7年,可(ke)用(yong)(yong)(yong)于(yu)(yu)(yu)永久(jiu)性(xing)交(jiao)(jiao)(jiao)通(tong)標(biao)(biao)(biao)(biao)(biao)志(zhi)和(he)作(zuo)(zuo)業(ye)(ye)(ye)區(qu)設(she)(she)(she)施(shi)。2、II類(lei)(lei):通(tong)常(chang)(chang)為(wei)(wei)(wei)(wei)(wei)透(tou)鏡(jing)(jing)(jing)埋(mai)入(ru)式玻璃(li)珠(zhu)型(xing)結(jie)構(gou)(gou),稱(cheng)(cheng)超工程級反(fan)光(guang)(guang)膜(mo)(mo)(mo)(mo),使(shi)(shi)用(yong)(yong)(yong)壽(shou)(shou)命(ming)一般為(wei)(wei)(wei)(wei)(wei)10年,可(ke)用(yong)(yong)(yong)于(yu)(yu)(yu)耐久(jiu)性(xing)交(jiao)(jiao)(jiao)通(tong)標(biao)(biao)(biao)(biao)(biao)志(zhi)惡化作(zuo)(zuo)業(ye)(ye)(ye)區(qu)設(she)(she)(she)施(shi)。3、III類(lei)(lei):通(tong)常(chang)(chang)為(wei)(wei)(wei)(wei)(wei)密封(feng)膠囊式玻璃(li)珠(zhu)型(xing)結(jie)構(gou)(gou),稱(cheng)(cheng)高(gao)強級反(fan)光(guang)(guang)膜(mo)(mo)(mo)(mo),使(shi)(shi)用(yong)(yong)(yong)壽(shou)(shou)命(ming)一般為(wei)(wei)(wei)(wei)(wei)10年,可(ke)用(yong)(yong)(yong)于(yu)(yu)(yu)永久(jiu)性(xing)交(jiao)(jiao)(jiao)通(tong)標(biao)(biao)(biao)(biao)(biao)志(zhi)和(he)作(zuo)(zuo)業(ye)(ye)(ye)區(qu)設(she)(she)(she)施(shi)。4、IV類(lei)(lei):通(tong)常(chang)(chang)為(wei)(wei)(wei)(wei)(wei)微(wei)(wei)棱(leng)鏡(jing)(jing)(jing)結(jie)構(gou)(gou),稱(cheng)(cheng)超強級反(fan)光(guang)(guang)膜(mo)(mo)(mo)(mo),使(shi)(shi)用(yong)(yong)(yong)壽(shou)(shou)命(ming)一般為(wei)(wei)(wei)(wei)(wei)10年,可(ke)用(yong)(yong)(yong)于(yu)(yu)(yu)永久(jiu)性(xing)交(jiao)(jiao)(jiao)通(tong)標(biao)(biao)(biao)(biao)(biao)志(zhi)、作(zuo)(zuo)業(ye)(ye)(ye)區(qu)設(she)(she)(she)施(shi)和(he)輪廓標(biao)(biao)(biao)(biao)(biao)。5、V類(lei)(lei):通(tong)常(chang)(chang)為(wei)(wei)(wei)(wei)(wei)微(wei)(wei)棱(leng)鏡(jing)(jing)(jing)結(jie)構(gou)(gou),稱(cheng)(cheng)大角度(du)反(fan)光(guang)(guang)膜(mo)(mo)(mo)(mo),使(shi)(shi)用(yong)(yong)(yong)壽(shou)(shou)命(ming)一般為(wei)(wei)(wei)(wei)(wei)10年,可(ke)用(yong)(yong)(yong)于(yu)(yu)(yu)永久(jiu)性(xing)交(jiao)(jiao)(jiao)通(tong)標(biao)(biao)(biao)(biao)(biao)志(zhi)、作(zuo)(zuo)業(ye)(ye)(ye)區(qu)設(she)(she)(she)施(shi)和(he)輪廓標(biao)(biao)(biao)(biao)(biao)。6、VI類(lei)(lei):通(tong)常(chang)(chang)為(wei)(wei)(wei)(wei)(wei)微(wei)(wei)棱(leng)鏡(jing)(jing)(jing)結(jie)構(gou)(gou),有金(jin)屬鍍層(ceng),使(shi)(shi)用(yong)(yong)(yong)壽(shou)(shou)命(ming)一般為(wei)(wei)(wei)(wei)(wei)3年,可(ke)用(yong)(yong)(yong)于(yu)(yu)(yu)輪廓標(biao)(biao)(biao)(biao)(biao)和(he)交(jiao)(jiao)(jiao)通(tong)柱,無金(jin)屬鍍層(ceng)時也可(ke)用(yong)(yong)(yong)于(yu)(yu)(yu)作(zuo)(zuo)業(ye)(ye)(ye)區(qu)設(she)(she)(she)施(shi)和(he)字(zi)符較少的(de)(de)(de)交(jiao)(jiao)(jiao)通(tong)標(biao)(biao)(biao)(biao)(biao)志(zhi)。7、VII類(lei)(lei):通(tong)常(chang)(chang)為(wei)(wei)(wei)(wei)(wei)微(wei)(wei)棱(leng)鏡(jing)(jing)(jing)結(jie)構(gou)(gou),柔性(xing)材質、使(shi)(shi)用(yong)(yong)(yong)壽(shou)(shou)命(ming)一般為(wei)(wei)(wei)(wei)(wei)3年,可(ke)用(yong)(yong)(yong)于(yu)(yu)(yu)臨時性(xing)交(jiao)(jiao)(jiao)通(tong)標(biao)(biao)(biao)(biao)(biao)志(zhi)和(he)作(zuo)(zuo)業(ye)(ye)(ye)區(qu)設(she)(she)(she)施(shi)。
四、反光膜的作用
反(fan)(fan)(fan)光膜是現代交(jiao)通(tong)工程(cheng)中常(chang)用的(de)(de)(de)一(yi)種(zhong)材(cai)料(liao),具有良好的(de)(de)(de)反(fan)(fan)(fan)光效(xiao)果,用于制作各類反(fan)(fan)(fan)光標志(zhi)(zhi)標牌(pai)(pai)、車(che)輛號(hao)牌(pai)(pai)及安(an)全設施等。反(fan)(fan)(fan)光膜顏色鮮亮(liang),在晚(wan)上或是燈光不足的(de)(de)(de)情況下,反(fan)(fan)(fan)光膜能(neng)利(li)用其反(fan)(fan)(fan)光效(xiao)果將光線反(fan)(fan)(fan)射回來,提(ti)高在夜間和惡劣天氣下行車(che)者對交(jiao)通(tong)標志(zhi)(zhi)牌(pai)(pai)的(de)(de)(de)識別度,讓人們更容易(yi)看到警(jing)示牌(pai)(pai),從而(er)起到警(jing)示作用,預(yu)防事故發(fa)生。除了(le)公路交(jiao)通(tong)標志(zhi)(zhi)牌(pai)(pai)上常(chang)見以外,在汽車(che)車(che)牌(pai)(pai)上、車(che)身(shen)標識上、廠區指示系統、路牌(pai)(pai)、門牌(pai)(pai)號(hao)、廣告(gao)標識、公益指示牌(pai)(pai)等方面也比較常(chang)見。