Blister packaging raw material PVC identification method

Identification by combustion method: softening or melting temperature range: 75~90°C; combustion condition: self-extinguishing after ignition; combustion flame state: yellow on top and green on bottom with smoke; condition after leaving the fire: extinguished after leaving the fire; odor: pungent and sour. This method is the easiest and most direct, and is generally preferred.