一、什么是反光膜
反(fan)光(guang)膜(mo)(mo),是利(li)用(yong)(yong)(yong)光(guang)學原(yuan)理,能(neng)把(ba)光(guang)線逆(ni)反(fan)射回到(dao)光(guang)源(yuan)處的一種(zhong)反(fan)光(guang)材(cai)料,是應(ying)用(yong)(yong)(yong)最為廣(guang)(guang)泛(fan)的一種(zhong)逆(ni)反(fan)射材(cai)料,主(zhu)要利(li)用(yong)(yong)(yong)玻璃珠(zhu)技(ji)(ji)術(shu),微棱(leng)鏡技(ji)(ji)術(shu)、合(he)成樹脂技(ji)(ji)術(shu),薄(bo)膜(mo)(mo)技(ji)(ji)術(shu)和涂(tu)敷技(ji)(ji)術(shu)和微復制技(ji)(ji)術(shu)制成,廣(guang)(guang)泛(fan)應(ying)用(yong)(yong)(yong)于(yu)交(jiao)通領域,其顏色鮮亮,夜間可(ke)以反(fan)光(guang),從而起到(dao)警(jing)示作(zuo)用(yong)(yong)(yong)。一般反(fan)光(guang)膜(mo)(mo)主(zhu)要采用(yong)(yong)(yong)聚合(he)物(wu)材(cai)料制成,常見的有PET、PC、PMMA、PVC四種(zhong)材(cai)質(zhi),不同材(cai)質(zhi)的反(fan)光(guang)膜(mo)(mo)在(zai)性能(neng)和使用(yong)(yong)(yong)壽命(ming)方面有所差別。
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買(mai),購買(mai)時(shi)還(huan)可(ke)以(yi)通過看材質、看亮度、看厚度、聞(wen)味道等方法判斷反光膜的質量。
三、反光膜分類與級別
反(fan)(fan)(fan)光(guang)(guang)(guang)(guang)(guang)膜(mo)的(de)分類(lei)方(fang)法(fa)有很多,其(qi)中比較普遍接受的(de)分類(lei)原則(ze),是以逆反(fan)(fan)(fan)射單元的(de)基本結(jie)(jie)(jie)構為(wei)(wei)基礎,根據反(fan)(fan)(fan)光(guang)(guang)(guang)(guang)(guang)膜(mo)正面光(guang)(guang)(guang)(guang)(guang)度(du)性(xing)能的(de)逆反(fan)(fan)(fan)射系數高(gao)低為(wei)(wei)主的(de)排序方(fang)法(fa),按(an)照《道路交(jiao)(jiao)(jiao)(jiao)通(tong)反(fan)(fan)(fan)光(guang)(guang)(guang)(guang)(guang)膜(mo)》(GB/T 18833-2012)的(de)規定,反(fan)(fan)(fan)光(guang)(guang)(guang)(guang)(guang)膜(mo)按(an)照其(qi)光(guang)(guang)(guang)(guang)(guang)度(du)性(xing)結(jie)(jie)(jie)構和(he)(he)(he)用(yong)途,分為(wei)(wei)7種類(lei)型(xing):1、I類(lei):通(tong)常為(wei)(wei)透鏡(jing)埋入式玻(bo)璃(li)珠型(xing)結(jie)(jie)(jie)構,稱(cheng)(cheng)工程級(ji)反(fan)(fan)(fan)光(guang)(guang)(guang)(guang)(guang)膜(mo),使(shi)(shi)用(yong)壽(shou)(shou)命一(yi)般(ban)(ban)為(wei)(wei)7年(nian)(nian),可(ke)用(yong)于(yu)永(yong)久(jiu)(jiu)(jiu)性(xing)交(jiao)(jiao)(jiao)(jiao)通(tong)標(biao)志(zhi)和(he)(he)(he)作(zuo)(zuo)業(ye)(ye)區設(she)(she)施(shi)(shi)。2、II類(lei):通(tong)常為(wei)(wei)透鏡(jing)埋入式玻(bo)璃(li)珠型(xing)結(jie)(jie)(jie)構,稱(cheng)(cheng)超工程級(ji)反(fan)(fan)(fan)光(guang)(guang)(guang)(guang)(guang)膜(mo),使(shi)(shi)用(yong)壽(shou)(shou)命一(yi)般(ban)(ban)為(wei)(wei)10年(nian)(nian),可(ke)用(yong)于(yu)耐(nai)久(jiu)(jiu)(jiu)性(xing)交(jiao)(jiao)(jiao)(jiao)通(tong)標(biao)志(zhi)惡化作(zuo)(zuo)業(ye)(ye)區設(she)(she)施(shi)(shi)。3、III類(lei):通(tong)常為(wei)(wei)密封膠囊式玻(bo)璃(li)珠型(xing)結(jie)(jie)(jie)構,稱(cheng)(cheng)高(gao)強(qiang)級(ji)反(fan)(fan)(fan)光(guang)(guang)(guang)(guang)(guang)膜(mo),使(shi)(shi)用(yong)壽(shou)(shou)命一(yi)般(ban)(ban)為(wei)(wei)10年(nian)(nian),可(ke)用(yong)于(yu)永(yong)久(jiu)(jiu)(jiu)性(xing)交(jiao)(jiao)(jiao)(jiao)通(tong)標(biao)志(zhi)和(he)(he)(he)作(zuo)(zuo)業(ye)(ye)區設(she)(she)施(shi)(shi)。4、IV類(lei):通(tong)常為(wei)(wei)微棱(leng)鏡(jing)結(jie)(jie)(jie)構,稱(cheng)(cheng)超強(qiang)級(ji)反(fan)(fan)(fan)光(guang)(guang)(guang)(guang)(guang)膜(mo),使(shi)(shi)用(yong)壽(shou)(shou)命一(yi)般(ban)(ban)為(wei)(wei)10年(nian)(nian),可(ke)用(yong)于(yu)永(yong)久(jiu)(jiu)(jiu)性(xing)交(jiao)(jiao)(jiao)(jiao)通(tong)標(biao)志(zhi)、作(zuo)(zuo)業(ye)(ye)區設(she)(she)施(shi)(shi)和(he)(he)(he)輪廓標(biao)。5、V類(lei):通(tong)常為(wei)(wei)微棱(leng)鏡(jing)結(jie)(jie)(jie)構,稱(cheng)(cheng)大(da)角(jiao)度(du)反(fan)(fan)(fan)光(guang)(guang)(guang)(guang)(guang)膜(mo),使(shi)(shi)用(yong)壽(shou)(shou)命一(yi)般(ban)(ban)為(wei)(wei)10年(nian)(nian),可(ke)用(yong)于(yu)永(yong)久(jiu)(jiu)(jiu)性(xing)交(jiao)(jiao)(jiao)(jiao)通(tong)標(biao)志(zhi)、作(zuo)(zuo)業(ye)(ye)區設(she)(she)施(shi)(shi)和(he)(he)(he)輪廓標(biao)。6、VI類(lei):通(tong)常為(wei)(wei)微棱(leng)鏡(jing)結(jie)(jie)(jie)構,有金屬鍍(du)(du)層,使(shi)(shi)用(yong)壽(shou)(shou)命一(yi)般(ban)(ban)為(wei)(wei)3年(nian)(nian),可(ke)用(yong)于(yu)輪廓標(biao)和(he)(he)(he)交(jiao)(jiao)(jiao)(jiao)通(tong)柱(zhu),無金屬鍍(du)(du)層時(shi)也(ye)可(ke)用(yong)于(yu)作(zuo)(zuo)業(ye)(ye)區設(she)(she)施(shi)(shi)和(he)(he)(he)字符(fu)較少的(de)交(jiao)(jiao)(jiao)(jiao)通(tong)標(biao)志(zhi)。7、VII類(lei):通(tong)常為(wei)(wei)微棱(leng)鏡(jing)結(jie)(jie)(jie)構,柔性(xing)材質(zhi)、使(shi)(shi)用(yong)壽(shou)(shou)命一(yi)般(ban)(ban)為(wei)(wei)3年(nian)(nian),可(ke)用(yong)于(yu)臨(lin)時(shi)性(xing)交(jiao)(jiao)(jiao)(jiao)通(tong)標(biao)志(zhi)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(fan)光(guang)(guang)(guang)(guang)膜(mo)是現代(dai)交(jiao)(jiao)通工程中(zhong)常(chang)(chang)用的一種材(cai)料(liao),具有良好的反(fan)光(guang)(guang)(guang)(guang)效(xiao)果,用于制作各類反(fan)光(guang)(guang)(guang)(guang)標(biao)志標(biao)牌(pai)、車(che)(che)(che)輛號牌(pai)及安全設(she)施等。反(fan)光(guang)(guang)(guang)(guang)膜(mo)顏色(se)鮮亮,在晚上或是燈光(guang)(guang)(guang)(guang)不足的情(qing)況(kuang)下(xia),反(fan)光(guang)(guang)(guang)(guang)膜(mo)能利用其反(fan)光(guang)(guang)(guang)(guang)效(xiao)果將光(guang)(guang)(guang)(guang)線(xian)反(fan)射回來,提高在夜間(jian)和惡劣天氣(qi)下(xia)行車(che)(che)(che)者對(dui)交(jiao)(jiao)通標(biao)志牌(pai)的識(shi)別度,讓人們更容易看到(dao)警示牌(pai),從而(er)起到(dao)警示作用,預防事(shi)故發生。除了公路交(jiao)(jiao)通標(biao)志牌(pai)上常(chang)(chang)見(jian)以外(wai),在汽車(che)(che)(che)車(che)(che)(che)牌(pai)上、車(che)(che)(che)身(shen)標(biao)識(shi)上、廠區指示系統、路牌(pai)、門牌(pai)號、廣告標(biao)識(shi)、公益指示牌(pai)等方面也比較常(chang)(chang)見(jian)。