Section VII — Plastics and articles thereof; rubber and articles thereof
Heading
3902
Polymers of propylene or of other olefins, in primary forms.
Common commodities
Polypropylene granulesIsobutylene powdery polymerPropylene copolymer flakesRaw plastic blocks of polybutyleneOlefin polymer pastesThermoplastic resin in liquid formPolyisobutylene granulesUnrefined olefin polymers in block shapePropylene copolymer blocksRaw plastic material of polybutylene