As the body decals sticker needs to be used outdoors, it is required to be able to prevent sun and rain. Therefore, PVC or PET is usually used.
PVC products are resistant to chemical stability, oxidant, reductant and strong acid have a strong resistance. However, it can be corroded by concentrated oxidized acids such as sulfuric acid and nitric acid, and is not suitable for contact with aromatic and chlorinated hydrocarbons.
PVC has the advantages of flame self-extinguishing, wear-resisting, noise and vibration elimination, high strength, good electrical insulation, low price and wide source of materials, good air tightness, etc.
The disadvantage of PVC is poor thermal stability, by light, heat, oxygen role is easy to aging. Most of polyvinyl chloride (PVC) plastic products use for a long time temperature should not be more than 55 ℃, but special formula of polyvinyl chloride (PVC) plastic can be long-term use of temperature of 90 ℃.
PVC is not flammable, high strength, weather resistance and excellent geometric stability, oxidant, reductant and strong acid resistance. In addition, because of its good flexibility, shrinkage and impervious to light, processing and labeling performance is good, chemical corrosion resistance, strong and durable, so suitable for long-term use in the outdoor.
PET polyester film is raw material, polyethylene terephthalate PET in relatively wide temperature range with excellent physical and mechanical properties, long-term use of up to 120 ℃ temperature, excellent electrical insulation, even under the high temperature and high frequency, its electric performance is good, but the corona resistance is poorer, non-toxic resistance, weather resistance, resistance to chemical stability, creep, fatigue resistance, frictional resistance, dimension stability is very good. Low water absorption, resistant to weak acid and organic solvents, but not heat transfers- resistant water immersion, alkali – resistant.
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