Heavy Wall Borosilicate Glass Pressure Tubes from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Pressure test certificates mandatory for safety classification
• ASME certification aids customs for industrial end-use
• Distinguish from finished sight glasses (7013)