一、什么是反光膜
反(fan)(fan)光(guang)(guang)(guang)膜(mo)(mo)(mo),是利用(yong)(yong)(yong)光(guang)(guang)(guang)學原理,能把(ba)光(guang)(guang)(guang)線逆(ni)反(fan)(fan)射回到光(guang)(guang)(guang)源處的(de)(de)一種反(fan)(fan)光(guang)(guang)(guang)材(cai)料(liao),是應(ying)用(yong)(yong)(yong)最為廣泛(fan)的(de)(de)一種逆(ni)反(fan)(fan)射材(cai)料(liao),主(zhu)要利用(yong)(yong)(yong)玻璃珠技術(shu),微(wei)棱鏡(jing)技術(shu)、合成(cheng)樹脂技術(shu),薄膜(mo)(mo)(mo)技術(shu)和涂敷技術(shu)和微(wei)復(fu)制(zhi)技術(shu)制(zhi)成(cheng),廣泛(fan)應(ying)用(yong)(yong)(yong)于交通領域(yu),其顏(yan)色鮮亮(liang),夜間可以反(fan)(fan)光(guang)(guang)(guang),從而起到警示作用(yong)(yong)(yong)。一般反(fan)(fan)光(guang)(guang)(guang)膜(mo)(mo)(mo)主(zhu)要采用(yong)(yong)(yong)聚合物材(cai)料(liao)制(zhi)成(cheng),常見的(de)(de)有PET、PC、PMMA、PVC四種材(cai)質,不(bu)同材(cai)質的(de)(de)反(fan)(fan)光(guang)(guang)(guang)膜(mo)(mo)(mo)在性能和使用(yong)(yong)(yong)壽(shou)命方面有所(suo)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買,購買時還可以通過(guo)看材質、看亮(liang)度、看厚度、聞味道等方法判(pan)斷反光膜的(de)質量。
三、反光膜分類與級別
反(fan)(fan)(fan)(fan)光(guang)(guang)膜(mo)(mo)(mo)的(de)(de)(de)分(fen)類(lei)(lei)方法有很多,其中(zhong)比較(jiao)普遍(bian)接受的(de)(de)(de)分(fen)類(lei)(lei)原則,是以逆反(fan)(fan)(fan)(fan)射單元的(de)(de)(de)基本結(jie)(jie)構(gou)(gou)為(wei)基礎,根(gen)據反(fan)(fan)(fan)(fan)光(guang)(guang)膜(mo)(mo)(mo)正面光(guang)(guang)度(du)性(xing)(xing)能的(de)(de)(de)逆反(fan)(fan)(fan)(fan)射系數高低(di)為(wei)主的(de)(de)(de)排序(xu)方法,按照(zhao)(zhao)《道(dao)路交通(tong)(tong)(tong)(tong)反(fan)(fan)(fan)(fan)光(guang)(guang)膜(mo)(mo)(mo)》(GB/T 18833-2012)的(de)(de)(de)規定,反(fan)(fan)(fan)(fan)光(guang)(guang)膜(mo)(mo)(mo)按照(zhao)(zhao)其光(guang)(guang)度(du)性(xing)(xing)結(jie)(jie)構(gou)(gou)和(he)(he)(he)用(yong)(yong)(yong)(yong)(yong)途,分(fen)為(wei)7種類(lei)(lei)型(xing):1、I類(lei)(lei):通(tong)(tong)(tong)(tong)常為(wei)透(tou)鏡(jing)(jing)(jing)埋(mai)入式(shi)玻璃(li)珠(zhu)型(xing)結(jie)(jie)構(gou)(gou),稱工程級(ji)反(fan)(fan)(fan)(fan)光(guang)(guang)膜(mo)(mo)(mo),使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)壽(shou)(shou)命(ming)(ming)一(yi)般為(wei)7年(nian),可(ke)(ke)用(yong)(yong)(yong)(yong)(yong)于(yu)永久(jiu)性(xing)(xing)交通(tong)(tong)(tong)(tong)標(biao)(biao)(biao)志和(he)(he)(he)作(zuo)(zuo)業(ye)(ye)區設(she)(she)施(shi)(shi)。2、II類(lei)(lei):通(tong)(tong)(tong)(tong)常為(wei)透(tou)鏡(jing)(jing)(jing)埋(mai)入式(shi)玻璃(li)珠(zhu)型(xing)結(jie)(jie)構(gou)(gou),稱超工程級(ji)反(fan)(fan)(fan)(fan)光(guang)(guang)膜(mo)(mo)(mo),使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)壽(shou)(shou)命(ming)(ming)一(yi)般為(wei)10年(nian),可(ke)(ke)用(yong)(yong)(yong)(yong)(yong)于(yu)耐(nai)久(jiu)性(xing)(xing)交通(tong)(tong)(tong)(tong)標(biao)(biao)(biao)志惡化作(zuo)(zuo)業(ye)(ye)區設(she)(she)施(shi)(shi)。3、III類(lei)(lei):通(tong)(tong)(tong)(tong)常為(wei)密封膠囊式(shi)玻璃(li)珠(zhu)型(xing)結(jie)(jie)構(gou)(gou),稱高強級(ji)反(fan)(fan)(fan)(fan)光(guang)(guang)膜(mo)(mo)(mo),使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)壽(shou)(shou)命(ming)(ming)一(yi)般為(wei)10年(nian),可(ke)(ke)用(yong)(yong)(yong)(yong)(yong)于(yu)永久(jiu)性(xing)(xing)交通(tong)(tong)(tong)(tong)標(biao)(biao)(biao)志和(he)(he)(he)作(zuo)(zuo)業(ye)(ye)區設(she)(she)施(shi)(shi)。4、IV類(lei)(lei):通(tong)(tong)(tong)(tong)常為(wei)微(wei)(wei)棱鏡(jing)(jing)(jing)結(jie)(jie)構(gou)(gou),稱超強級(ji)反(fan)(fan)(fan)(fan)光(guang)(guang)膜(mo)(mo)(mo),使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)壽(shou)(shou)命(ming)(ming)一(yi)般為(wei)10年(nian),可(ke)(ke)用(yong)(yong)(yong)(yong)(yong)于(yu)永久(jiu)性(xing)(xing)交通(tong)(tong)(tong)(tong)標(biao)(biao)(biao)志、作(zuo)(zuo)業(ye)(ye)區設(she)(she)施(shi)(shi)和(he)(he)(he)輪(lun)廓標(biao)(biao)(biao)。5、V類(lei)(lei):通(tong)(tong)(tong)(tong)常為(wei)微(wei)(wei)棱鏡(jing)(jing)(jing)結(jie)(jie)構(gou)(gou),稱大角度(du)反(fan)(fan)(fan)(fan)光(guang)(guang)膜(mo)(mo)(mo),使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)壽(shou)(shou)命(ming)(ming)一(yi)般為(wei)10年(nian),可(ke)(ke)用(yong)(yong)(yong)(yong)(yong)于(yu)永久(jiu)性(xing)(xing)交通(tong)(tong)(tong)(tong)標(biao)(biao)(biao)志、作(zuo)(zuo)業(ye)(ye)區設(she)(she)施(shi)(shi)和(he)(he)(he)輪(lun)廓標(biao)(biao)(biao)。6、VI類(lei)(lei):通(tong)(tong)(tong)(tong)常為(wei)微(wei)(wei)棱鏡(jing)(jing)(jing)結(jie)(jie)構(gou)(gou),有金屬(shu)鍍(du)(du)層,使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)壽(shou)(shou)命(ming)(ming)一(yi)般為(wei)3年(nian),可(ke)(ke)用(yong)(yong)(yong)(yong)(yong)于(yu)輪(lun)廓標(biao)(biao)(biao)和(he)(he)(he)交通(tong)(tong)(tong)(tong)柱,無金屬(shu)鍍(du)(du)層時也(ye)可(ke)(ke)用(yong)(yong)(yong)(yong)(yong)于(yu)作(zuo)(zuo)業(ye)(ye)區設(she)(she)施(shi)(shi)和(he)(he)(he)字符較(jiao)少的(de)(de)(de)交通(tong)(tong)(tong)(tong)標(biao)(biao)(biao)志。7、VII類(lei)(lei):通(tong)(tong)(tong)(tong)常為(wei)微(wei)(wei)棱鏡(jing)(jing)(jing)結(jie)(jie)構(gou)(gou),柔(rou)性(xing)(xing)材質、使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)壽(shou)(shou)命(ming)(ming)一(yi)般為(wei)3年(nian),可(ke)(ke)用(yong)(yong)(yong)(yong)(yong)于(yu)臨時性(xing)(xing)交通(tong)(tong)(tong)(tong)標(biao)(biao)(biao)志和(he)(he)(he)作(zuo)(zuo)業(ye)(ye)區設(she)(she)施(shi)(shi)。
四、反光膜的作用
反光(guang)膜是現代(dai)交(jiao)通(tong)工程(cheng)中(zhong)常用的一種材料,具有良好的反光(guang)效果,用于制作各類(lei)反光(guang)標(biao)(biao)志(zhi)標(biao)(biao)牌(pai)、車(che)輛號牌(pai)及安全設施等。反光(guang)膜顏色鮮亮(liang),在晚上或是燈(deng)光(guang)不足的情況下,反光(guang)膜能利用其反光(guang)效果將光(guang)線(xian)反射回來(lai),提高在夜(ye)間和惡劣天氣下行車(che)者對(dui)交(jiao)通(tong)標(biao)(biao)志(zhi)牌(pai)的識別度,讓人(ren)們更容(rong)易(yi)看到警示(shi)牌(pai),從而起到警示(shi)作用,預防事故(gu)發生。除了(le)公路(lu)交(jiao)通(tong)標(biao)(biao)志(zhi)牌(pai)上常見以外,在汽車(che)車(che)牌(pai)上、車(che)身標(biao)(biao)識上、廠區指示(shi)系統、路(lu)牌(pai)、門牌(pai)號、廣告標(biao)(biao)識、公益(yi)指示(shi)牌(pai)等方面也比較(jiao)常見。