How to identify PVC plastics
1.Identification of combustion method, softening or melting temperature range: 75~90 degree C; combustion situation: hard to soften; combustion flame state: up yellow and green smoke; after fire: fire away; smell: pungent sour taste.
2.Solvent treatment identification, solvent: tetrahydrofuran, cyclohexanone, methyl ketone, two methyl formamide; non solvent: methanol, acetone, heptane.
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