Glass; unworked, in rods

700220 Rods:

7002201000 Of fused quartz or other fused silica

7002205000 Other

700220000080

700220100080

700220900080

700220901080

700220909080

70022000 Rods

70022000 Rods

7002201000 Of optical glass

7002209010 Cylindrical shaped glass preforms of high-purity silica glass (quartz): -with an optical core made of germanium-doped silica glass (quartz), intended for the production of low-loss optical fiber: -with a length of not more than 2500 mm, -with a diameter of 115 mm or more but not more than 139 mm,  -on one side with a conical end  -on the other side with a handle with a diameter of 25,4 mm, coated at the end with aluminium oxide

7002209090 Other