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Other Performance Requirement of reflective film

According to GB/T 18833-2002 Refle for Road Traffic Signs, in addition to the retro-reflection performance, the level 1 – 5 reflective film also requires the colorimetric performance, adhesion performance, stripping performance of release paper, weathering performance, salt spray corrosion resistance, solvent resistance, impact resistance, bending performance, high-low temperature resistance, shrinkage performance, tensile performance, and adhesion performance of ink and reflective film. The reflective film for the truck reflecting marking and the reflective film for the vehicle license plate requires the water resistance. Furthermore, the reflective sheeting for the vehicle license plate requires testing the pressure resistant performance, wash durability and wind resistance performance.