How to distinguish true and false PET plastic profiles?
NEWFIRST 2020-10-14 13:20:45 作者:SystemMaster
1. Wire drawing. When it is burning, draw the wire on the lighter to see if the wire is long or not, then break the drawn wire to see the break point in the middle. Whether the wire is rolled into a small circle, the more the wire is rolled It often means that the melting point is high. But generally if it is a bottle tablet, there shouldn't be any major problems.
2. Smell the taste first. The taste of PET plastic profile is different from ordinary plastic. Burn it with a lighter, pure PET plastic will emit a very aromatic taste. If the PET plastic contains other ingredients, the taste will be very pungent. Some bottles contain SEBS ingredients that cannot be used.
3. Look at the burned part. If the black is distributed or the oil drops quickly, most of the melting points are abnormal, which is often found in PET plastic film.
4. The most critical point is to distinguish whether it contains PET plastic, which is a fatal injury to PET. Take more samples first, and then spread it out in a sunny place. The PVC will be light blue in the sun. If there is a white crease in the half-fold. The above is the naked eye identification, the accuracy is limited, mainly depends on experience
