What are the main types of the commonly used plastic box materials?
The commonly used plastic box materials are PS (polystyrene), PP (polystyrene), PVC (polyvinyl chloride) and APET (non-crystallized - polyethylene terephthalate).
Blister box features
PS by good insulation and easy coloring, good air permeability, water resistance, corrosion resistance, non-toxic, greenhouse under the hard brittle, high temperature to soften, soluble, naisuanjian corrosion, but soluble in chloroform, dichloroethylene and banana oil and other organic solvents. PS in the material of blister is widely used in industry, because of its comprehensive physical properties is good, and easy physical modification, so the use is very wide, used to make the blister tray, holding the fragile electronic components and component.
Blister packaging products.
PP toughness, by good insulation and high resistance to chemical corrosion, qualitative light, non-toxic tasteless, soak deformation at 100 ° C to boiling water, do not damage, common alkaline organic solvent almost had no effect on it. PP inertia is very good, the products are durable, need not be chemical corrosion resistance and high temperature of 100 ° C, can be widely used in blister tray and food.
Good PVC by good insulation and high transparency, good air permeability, water resistant corrosion resistance, durable, can heat sealing blister products, but as a result of material process by adding plasticizer and anti-aging agent and some other auxiliary materials are toxic, it has a certain toxicity. Transparent PVC is used in the field of plastic suction to make double or bottom cover, which is mainly used in electronic products, toys, handicrafts and other packaging, not for food and medicine.
APET resilience and good resistance to impact, good transparency, good gas barrier property, keep good fragrance, good oil resistance, chemical resistance is strong, the lowest working temperature to 40 ° C. APET has a high strength, and its blister products are used to make product packaging and plastic pallets to protect vulnerable small items
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