Synthetic Diamond Heat Sinks from Japan
CVD diamond plates engineered for thermal management in electronics and lasers. Unmounted worked industrial diamonds under 7102.29.00. Thermal conductivity exceeds copper by 5x.
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
• Include thermal conductivity specs and CVD certification; declare electronic industrial use
• Distinguish from jewelry by opacity/color
• Provide mounting substrate details if attached