At present, the glass market has become increasingly popular, and the detection of glass quality is additionally important when purchasing goblet. For the inspection associated with glass sheets, the appearance quality is especially to check the flatness and observe the coffee quality defects such as bubbles, inclusions, scratches, lines and fog spots. If there is a great defective glass, deformation could occur during use, which reduces the transparency belonging to the glass, mechanical strength and thermal stability in the Laminated Glass supplier, and is not worthy of engineering use. Since the glass may be a transparent object, the appearance can be detected during selection, and the quality can be basically identified.

Inspecting glass processed products, in addition on the requirements of flat cup, should also check the actual processing quality, check whether the typical size, processing accuracy and pattern definition meet what's needed, and the side is just not allowed to be substandard.

The appearance quality on the hollow glass brick probably should not be cracked, and there really should be no opaque unmelted material from the glass blank, and the welding and bonding between the 2 glass bodies cannot be poor. Visual inspection on the brick body should be free of corrugations, bubbles and lamellar streaks resulting from inhomogeneities inside glass blank. The outer surface on the large surface of the glass brick must be less than 1 mm, the convexity should be less than 2 mm, the weight should meet the coffee quality standard, no surface warpage, step, burr and other quality defects, the angle need to be square. The above is any general method for identifying the caliber of glass. Special glass is required to be tested with special instruments.

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