From Chapter 38: Chapter 38
| HTS Code | Description | General Duty |
|---|---|---|
| 3816001000 | Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 3801 Dolomite ramming mix | Free |
| 3816002000 | Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 3801 Other | 3% |
| 3816002010 | Other Clay | 3% |
| 3816002050 | Other | 3% |