How to distinguish the quality of pearl cotton when buying?
1. Touch texture. Generally speaking, coarse PE particles are likely to involve impurities;
2. "Pinch" hardness. PE pipe strip has appropriate hardness and can pinch deformed pipe in a perfunctory manner. It is not PE pipe strip in particular;
3. "Look" color. PE pipe strips are mainly white, gray and green. Customers often think that white is good. In fact, color is not the standard for judging good quality;
4. PE "smash" elasticity, good pr-r pipe, "rebound" is good, and simple smashing is not a good PR pipe, but hard friction is not equal to good elasticity. Some manufacturers improve their hardness by participating in too many impurities such as calcium carbonate. They can't smash it anyway, and it will be brittle after a long time;
5. PE "burns" smoke and smells. It was guessed that PE pipes mixed with recycled plastics and other impurities would emit black smoke and have a pungent smell. Good materials will not emit black smoke and smell after combustion. After combustion, the liquid from the flame is still very clean.
What are the characteristics of pearl cotton?
It is composed of many independent bubbles produced by physical foaming of low-density polyethylene grease.Polyethylene foam cotton is a non crosslinked closed cell structure, also known as EPE pearl cotton. It is a new type of packaging material. It is composed of many independent bubbles p
What are the uses of pearl cotton?
It is widely used in fragile gift packaging such as car cushion, pillow, electronic and electrical appliances, instruments and meters, computers, audio, industrial control chassis, hardware lighting, handicrafts, glass, ceramics, household appliances, spraying, furniture, wine and resin, inner p
What are the common pearl cotton products in life?
1. Pearl cotton egg trayEggs are fragile, so it is necessary to do a good job in tight packaging before they can be transported. Pearl cotton egg tray is specially designed for express packaging for those who sell native eggs online, which solves the difficult problem of selling eggs online.
How to choose pearl cotton material?
Now Jiangmen pearl cotton has become the choice of most packaging materials in the market. As a new packaging material, the emergence of pearl cotton has changed the whole packaging profession. However, there are many manufacturers of pearl cotton materials. How to select the appropriate pearl c