| 3901 |  | Polymers of ethylene, in primary forms: |  |  |  |  | 
| 3901.10 |  | Polyethylene having a specific gravity of less than 0.94: |  |  |  |  | 
| 3901.10.50 | 10 | Linear low density polyethylene | kg |  |  |  | 
| 3901.10.50 | 20 | Low density polyethylene, except linear low density polyethylene | kg |  |  |  | 
| 3901.10.50 | 30 | Medium density polyethylene | kg |  |  |  | 
| 3901.20 |  | Polyethylene having a specific gravity of 0.94 or more: |  |  |  |  | 
| 3901.30 |  | Ethylene-vinyl acetate copolymers: |  |  |  |  | 
| 3901.30.20 | 00 | Vinyl acetate-vinyl chloride-ethylene terpolymers, containing by weight less than 50 percent derivatives of vinyl acetate, except those polymerized from aromatic or modified aromatic monomers | kg | Free |  | 43.5% | 
| 3901.90.55 | 00 | Ethylene copolymers | kg | 6.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 43% | 
| 3902 |  | Polymers of propylene or of other olefins, in primary forms: |  |  |  |  | 
| 3902.10.00 | 00 | Polypropylene | kg | 6.5% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 33.5% | 
| 3902.20 |  | Polyisobutylene: |  |  |  |  | 
| 3902.30.00 | 00 | Propylene copolymers | kg | 6.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 2.2¢/kg +  33.5% | 
| 3902.90.00 | 10 | Polybutylene | kg |  |  |  | 
| 3903 |  | Polymers of styrene, in primary forms: |  |  |  |  | 
| 3903.11.00 | 00 | Polystyrene: |  |  |  |  | 
| 3903.20.00 | 00 | Styrene-acrylonitrile (SAN) copolymers | kg | 6.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 15.4¢/kg +  45.5% | 
| 3903.30.00 | 00 | Acrylonitrile-butadiene-styrene (ABS) copolymers | kg | 6.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 15.4¢/kg +  47% | 
| 3903.90.10 | 00 | Methyl methacrylate-butadiene-styrene (MBS) copolymers | kg | 6.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 15.4¢/kg +  67.5% | 
| 3904 |  | Polymers of vinyl chloride or of other halogenated olefins, in primary forms: |  |  |  |  | 
| 3904.10.00 | 00 | Poly(vinyl chloride), not mixed with any other substances | kg | 6.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 43.5% | 
| 3904.21.00 | 00 | Other poly(vinyl chloride): |  |  |  |  | 
| 3904.30 |  | Vinyl chloride-vinyl acetate copolymers: |  |  |  |  | 
| 3904.30.20 | 00 | Vinyl acetate-vinyl chloride-ethylene terpolymers, containing by weight less than 50 percent derivatives of vinyl acetate, except those polymerized from aromatic or modified aromatic monomers | kg | Free |  | 43.5% | 
| 3904.40.00 | 00 | Other vinyl chloride copolymers | kg | 5.3% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 43.5% |