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14
2020-09
Eternal Machinery: Blister commonly used sheet
Commonly used sheets include: PVC, PET, PP, PS and flocking sheets, gold-plated sheets and antistatic sheets on this basis. PVC: the most commonly used blister material, soft, strong toughness, good plasticity, can be made transparent and various colors, commonly used transparent PVC packaging electronics, cosmetics, toys, gifts and other products. PET(A-PET): hard, good toughness, high strength, bright surface, non-toxic, transparent and multi-color sheet. The disadvantage is that PET high frequency heat bonding is more difficult and the price is much higher than PVC. This material is often replaced by users who require high-grade products and environmental protection. PS: Low density (light weight), environmental protection and non-toxicity, very good plasticity, poor toughness and brittleness, and cannot be made into transparent materials. Therefore, it can only be made into bottom blister. Because of its easy cracking, such blister should not be recycled. PP: The material is especially soft and has good toughness, environmental protection, non-toxic, high temperature resistant, often made into catering utensils or other high temperature resistant products packaging; But its plasticity is poor, processing is difficult, the surface gloss is poor, and the color will become lighter during processing; PET-G: the physical properties are similar to A- PET, but it can be heat sealed in high frequency, and its price is 80% higher than A- PET.
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