TSR CV60 Constant Viscosity Rubber from China
TSR CV60 is technically specified natural rubber with controlled viscosity (Mooney 60±5) achieved through enzyme treatment of coagulum, baled for consistent processing in extrusion applications. Meets TSNR standards for industrial rubber goods. HTS 4001.22.00 for this primary treated bale form.
Duty Rate — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Submit Mooney scorch and viscosity test reports from production; critical for CV grade verification
• Ensure enzyme treatment doesn't add prohibited stabilizers affecting raw material character
• Store bales upright to maintain bale integrity during customs inspection