| 3912 | | Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms: | | | | |
| 3912.31.00 | | Carboxymethylcellulose and its salts | | 6.4% | Free (A,AU,BH, CA,CL,E,IL,J,JO, K,MA,MX, P,SG) | 66% |
| 3912.31.00 | 10 | Containing not less than 90 percent by weight of carboxymethylcellulose | kg | | | |
| 3912.90.00 | 10 | alpha-Cellulose in granular, microcrystalline or powdered forms | kg | | | |
| 3913 | | Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms: | | | | |
| 3913.90.10 | 00 | Chemical derivatives of natural rubber | kg | Free | | 20% |
| 3914.00 | | Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms: | | | | |
| 3914.00.20 | 00 | Cross-linked polyvinylbenzyltrimethylammonium chloride (Cholestyramine resin USP) | kg | Free | | 35% |
| 3915 | | II. WASTE, PARINGS AND SCRAP; SEMIMANUFACTURES; ARTICLES | | | | |
| 3915.10.00 | 00 | Of polymers of ethylene | kg | Free | | 10% |
| 3915.20.00 | 00 | Of polymers of styrene | kg | Free | | 10% |
| 3915.30.00 | 00 | Of polymers of vinyl chloride | kg | Free | | 10% |
| 3916 | | Monofilament of which any cross-sectional dimension exceeds 1 mm, rods, sticks and profile shapes, whether or not surface-worked but not otherwise worked, of plastics: | | | | |
| 3916.10.00 | 00 | Of polymers of ethylene | kg | 5.8% | Free (A,AU,BH,B, CA,CL,E,IL,J, JO,MA,MX, P,SG) | 35% |
| 3916.20.00 | | Of polymers of vinyl chloride | | 5.8% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 35% |
| 3916.90.10 | 00 | Of acrylic polymers | kg | 6.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 40.6% |
| 3916.90.30 | 00 | Monofilament | m | 6.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 50% |
| 3917 | | Tubes, pipes and hoses and fittings therefor (for example, joints, elbows, flanges), of plastics: | | | | |
| 3917.10 | | Artificial guts (sausage casings) of hardened protein or of cellulosic plastics materials: | | | | |
| 3917.10.10 | 00 | Of cellulosic plastics materials | kg | 6.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 60% |
| 3917.21.00 | 00 | Of polymers of ethylene | kg | 3.1% | Free (A,AU,BH,B, C,CA,CL,E, IL,J,JO,MA,MX, P,SG) | 25% |
| 3917.22.00 | 00 | Of polymers of propylene | kg | 3.1% | Free (A,AU,BH,B, C,CA,CL,E, IL,J,JO,MA,MX, P,SG) | 25% |
| 3917.23.00 | 00 | Of polymers of vinyl chloride | kg | 3.1% | Free (A,AU,BH,B, C,CA,CL,E, IL,J,JO,MA,MX, P,SG) | 25% |
| 3917.29.00 | 50 | Less than 200 mm in length | thousand kg | | | |
| 3917.31.00 | 00 | Flexible tubes, pipes and hoses, having a minimum burst pressure of 27.6 Mpa | kg | 3.1% | Free (A,AU,BH,B, C,CA,CL, E,IL,J,JO,MA,MX, P,SG) | 25% |
