HS Code 70023900 - unworked glass tubes

Tubes of glass, unworked (excl. tubes of glass having a linear coefficient of expansion <= 5 x 10-6 per kelvin within a temperature range of 0°C to 300°C or of fused quartz or other fused silica)

Can be used for an export declaration.
(Combined Nomenclature, Customs Tariff Number)

Examples (No official information or warranty)

- Tubes of glass, unworked, with a linear coefficient of expansion > 5 x 10^-6 per kelvin (0°C to 300°C)
- Tubes of glass, unworked, made of soda-lime glass (linear coefficient of expansion > 5 x 10^-6 per kelvin)
- Tubes of glass, unworked, with a diameter of 10 mm and linear coefficient of expansion > 5 x 10^-6 per kelvin
- Tubes of glass, unworked, with a wall thickness of 2 mm and linear coefficient of expansion > 5 x 10^-6 per kelvin
- Tubes of glass, unworked, with a length of 1 meter and linear coefficient of expansion > 5 x 10^-6 per kelvin
- Tubes of glass, unworked, made of borosilicate glass (linear coefficient of expansion > 5 x 10^-6 per kelvin)