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BOPET反光膜简介
Brief introduction of BOPET reflective film
PET反光膜的特点 是薄膜具有优良的化学性能，表面平整，光洁，热稳定性好，收缩率小，耐光老化。
Pet reflective film is characterized by excellent chemical properties, smooth surface, good thermal stability, small shrinkage, light aging resistance.
交通设施中所用的反光材料有透镜型定向反光膜和平顶型反光膜两种，它们都是使用镀铝的PET薄膜做反光层，在其上面涂有压敏胶后将折射率为1.9的若干玻璃微珠黏附在PET镀铝膜上，然后再喷一层缩丁醛保护层即成。
There are two kinds of reflective materials used in traffic facilities, lens oriented reflective film and roof reflective film. They are all made of aluminum coated PET film. After pressure-sensitive adhesive is coated on it, a number of glass beads with refractive index of 1.9 are adhered to the pet aluminum coating, and then a protective layer of butyraldehyde is sprayed.
PET反光膜应用于有反光要求的广告牌，交通反光标志（反光路标，反光隔离带，反光车号牌），反光警服，工业安全标志等。
Pet reflective film shall be used for billboards with reflective requirements, traffic reflective signs (reflective road signs, reflective isolation belts, reflective car number plates), reflective police uniforms, industrial safety signs, etc.