How to judge the true and false PVC board?
True and false PVC to determine: you can take a small amount of PVC board with a flame burning, if a large number of black smoke, and accompanied by pungent smell of hydrogen chloride, the flame after the burning surface was black charcoal, the basic can be concluded that PVC; Not associated with a lot of black smoke, no irritating smell, and the flame after the burning surface was white or light white, it may be polyethylene or polypropylene plate.
In general, PVC board is relatively hard, and can not pinch a nail with nails.