At the bottom of PVC, there is an injection port, cut a small piece, ignite the flame beating with green edges, and extinguish the fire.

At the bottom of the TPR, there is an injection port, cut a small piece, ignite the flame, and the burning place is melted. It will not extinguish itself from the fire, and can be dissolved in a stupid.

There is no injection port at the bottom of EVA, a small piece of light is ignited, there is a phenomenon of candle burning and melting and dropping.

There is no injection port at the bottom of the rubber, a small piece of light is ignited, a tyre is burnt, and there is black smoke.

At the bottom of PU, there is an injection port, a small piece is ignited, the flame is stable without green edges, and there is a melting and dropping phenomenon.

A small piece of PVC leather is lit, and the flame is beating with green edges.

PU leather shears a small piece to ignite, the flame is beating.