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Educate you How To Identify The grade of Glass
At present, the glass market has become increasingly popular, and the detection of glass quality can be important when purchasing magnifying glaas. For the inspection with glass sheets, the appearance quality is mainly to check the flatness and observe the quality defects such as bubbles, inclusions, scrapes, lines and fog destinations. If there is this kind of defective glass, deformation could occur during use, which reduces the transparency of the glass, mechanical strength and thermal stability from the glass, and is not ideal for engineering use. Since the glass may be a transparent object, the appearance can be detected before selection, and the quality is usually basically identified.
Inspecting magnifying glaas processed products, in addition on the requirements of flat goblet, should also check this processing quality, check whether the standard size, processing accuracy and pattern definition meet the requirements, and the side isn't allowed to be substandard.
The appearance quality with the hollow glass brick probably should not be cracked, and there should be no opaque unmelted material while in the Laminated glass for sale blank, and the welding and bonding between each glass bodies cannot end up being poor. Visual inspection on the brick body should be free of corrugations, bubbles and lamellar streaks resulting from inhomogeneities while in the glass blank. The outer surface belonging to the large surface of the glass brick ought to be less than 1 mm, the convexity ought to be less than 2 mm, the weight should meet the coffee quality standard, no surface warpage, notch, burr and other high quality defects, the angle really should be square. The above is any general method for identifying the caliber of glass. Special glass has to be tested with special equipments.
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