China Wholesale Green Plastic Bottles Quotes – The second face wash and whitening pump – Weiya

Brown PET bottles are light and firm, and their strength and elasticity are significantly higher than those made of other plastic materials. Polyester bottle is light and firm, and its strength and elasticity are significantly higher than those made of other plastic materials. It can withstand considerable impact without damage. It is suitable for making drug packaging bottles with thin wall, light weight and high strength. In the case of the same drug volume, the weight of PET bottle is only 1 / 10 of that of glass bottle; the weight of PET bottle with the same outer diameter is 1.5 times that of glass bottle. Transparent or opaque brown bottles can be made from PET raw material.Usually in our daily life, the more common shapes of plastic cans are square, rectangle, circle, ellipse, etc. from the perspective of our use, their advantages are unique. The body of the bottle should be well formed, with high transparency, without bubbles, black spots, oil stains, rigid materials, abrasions, hard rings, atomization and whitening. The color of the colored bottle should be uniform and without obvious color difference. The end face of the bottle mouth should be flat, without damage and notch, with complete threads, complete crystallization, without spillage, drawing, deformation and oil stains inside and outside. The bottom of the bottle should be well formed, without depression, bulge and center The appearance of the filled pet medical plastic bottle is free from shrinkage and deformation, flat bottle, side wall deformation, convex bottom and depression. The product has clean surface, no peculiar smell, dryness, no dust and oil stain, and no impurity inside.

The moisture content of the material must be fully dried before production. Generally, the drying temperature is 160 ℃ for the dried materials. If it is stored in the air for a long time, it will not absorb moisture. Therefore, once the raw materials are dried, they must be used immediately or directly by the continuous dryer, otherwise they must be kept in the incubator at 90 ~ 100 ℃ for standby, so as to avoid moisture absorption again after drying.