Denso XNG27 Industrial Ceramic Insulator from Japan
Denso XNG27 series ceramic insulators optimized for spark plugs in large-bore natural gas engines used in pipeline compressor stations. Provides 30kV dielectric strength with corrosion-resistant glaze for harsh NG fuel environments. Specifically designed for HTS 8547.10.40.00 classification in stationary internal combustion engine spark plug production.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify insulators match spark plug models for EPA-certified NG engines; avoid mixing with gasoline spark insulators in same container; document molding process confirming minor metal integration