How does the plastic material identify the PP material? [Ponse machine]
PP material features: soft and tough material, environmentally friendly, non-toxic, relatively high temperature resistance, poor plasticity, difficulty in blister, lack of luster on the surface, showing a dumb color.
Sensory identification: This product is white and transparent. Compared with LDPE, it has higher transparency and noise when rubbing.
Combustion identification: when burning, the flame is yellow and blue, and the smell is like oil, melting and dropping. There is no black smoke when burning.