Glasses for corrective spectacles; curved, bent, hollowed or the like, not optically worked

HS code 701510 covers the production of glasses for corrective spectacles that are curved, bent, hollowed, or otherwise shaped, but not optically worked. This industry plays a crucial role in the broader optical and eyewear sector, providing essential components for the manufacture of prescription eyeglasses and other vision-correcting products. As a key supplier to the 900150 Manufacture of ophthalmic lenses and 900190 Manufacture of other ophthalmic products industries, the 701510 segment contributes to the overall health and well-being of consumers worldwide.

The production of glasses for corrective spectacles under HS code 701510 typically involves a series of specialized manufacturing processes. Glass blanks are first shaped and molded into the desired curved, bent, or hollowed forms using techniques such as pressing, blowing, or casting. These semi-finished glass components are then carefully annealed to relieve internal stresses and ensure structural integrity. Finally, the glasses may undergo additional finishing steps, such as edge grinding or polishing, to prepare them for integration into the final eyewear products.

The main inputs required for the production of HS code 701510 glasses include high-quality glass raw materials, such as silica, soda ash, and limestone. Specialized machinery, such as glass-shaping equipment and annealing ovens, are also essential for the manufacturing process. Additionally, skilled labor with expertise in glass fabrication and finishing techniques is necessary to ensure the consistent quality and precision of the final products.

The primary output of the HS code 701510 industry is the production of curved, bent, or hollowed glasses that are used in the manufacture of corrective spectacles. These glasses are then consumed by the 900150 Manufacture of ophthalmic lenses and 900190 Manufacture of other ophthalmic products industries, which incorporate them into a wide range of eyewear products, including prescription eyeglasses, sunglasses, and specialty lenses.