Heavy Wall Borosilicate Glass Pressure Tubes from Japan
Thick-walled unworked borosilicate glass tubes rated for high internal pressure in hydraulic sight glasses. HTS 7002.39.00 for robust industrial other tubes. Monitors fluid levels in machinery.
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
• Pressure test certificates mandatory for safety classification
• ASME certification aids customs for industrial end-use
• Distinguish from finished sight glasses (7013)