Opaque glasses are widely used for the manufacturing of spectacles, bottles, medicine containers, home decorative products, and many more. With the wide usage of opaque glasses in different manufacturing industries, the manufacturers of opaque glasses need to ensure the quality of these materials using high-quality testing machines. The major property of the opaque glasses is the opaqueness of the glasses that can be determined using high-quality opacity tester. Apart from these many testing device are also used to ensure the quality of the glasses. Presto Stantest, one of the global supplier of testing instruments, offers high-quality opaque glasses testing machine that are designed keeping in the standards that are provided by standards regulatory bodies. This ensures the customers that the products offers highly accurate test results.