Champion RC12NGY Industrial Ceramic Insulator from Japan
Champion's RC12NGY series ceramic insulator for spark plugs in stationary natural gas engines used in power generation and oilfield equipment. Engineered with 95% alumina content for superior dielectric strength and thermal shock resistance in lean-burn NG combustion environments. Meets HTS 8547.10.40.00 as a ceramic insulating fitting expressly for spark plug manufacturing in specified engines.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Provide engine manufacturer purchase orders or contracts specifying NG stationary use; ensure no pre-molded metal components exceed 'minor' threshold; declare exact alumina purity to prevent undervaluation disputes