With the gradual development of China's manufacturing industry, all kinds of industrial products are gradually upgrading to high quality, and packaging lining EVA is also a good quality to meet the needs of high quality packaging products, and the quality and appearance of the same storage. The packaging lining must have higher quality, which is inseparable from high quality materials. Today, EVA manufacturers will tell you how to correctly judge the EVA sponge lining.
1. should have good protection.
EVA sponge lining is used for packaging and requires the effect of shock proof and protection products. If you want to achieve high quality packing lining, it is very strict. The way to judge is to drop the pearl cotton down from the height to see if it can play a role in earthquake prevention.
2. should be waterproof
As an independent bubble structure, EVA sponge is often affected by the weather during transportation. The sponge must have good water repellency to protect the product. The method of judgement is to soak the EVA sponge with water. If the moisture is not easy to enter the inside, it can be considered as a high quality packaging lining.
3. is fireproof.
The packaging lining has the function of fire-retardant and flame retardant, and can protect the product from being damaged in fire. The standard of judgement is that EVA sponge can be burned by fire. If it is not ignited and melted, it is qualified.
The above is the quality of the high quality packaging EVA sponge provided by the EVA lining manufacturers to meet the packing materials of these points, so as to calculate the high quality.