1.Light transmittance test We tear off the film and test the product's light transmittance with high technology equipment under different illumination environment. Pick the minimum, when the minimum number is bigger than 96%, it is a qualified product. 2.Resistant of scraping test We use the test stick which has the same tenacity with the glass material. With the push of 500g gravity, scrape on the surface of the film of glass to observe the resistant quality of the glass film. The test stich will scrape 100 times, the product which do not have scratches at all is the conforming article. 3.Touch sensitivity test After fitting the glass screen protector, make single operations or multiple operations to the screen, contrast it with before,the product which has no difference is the conforming article. 4.Resistant of oil test Drop water or oil on the surface of the glass screen protector to test the ability of the the resistant of water and oil of the glass screen protector. We drop water on the glass screen protector, the drop of the water will not split. Lean the glass screen protector to 45°, the drop of water slides on the glass screen protector and will not split, the rolling will not be blocked 5.Dropping ball test We use a steel ball weighs 30 g, drop it under the height of 30 cm to test the solidity of the glass film. The product which do not have cracks after the steel ball were dropped on the surface of the glass is the conforming article. 6.Buckling test Tear off the glass screen protector, make it face up and curl it, the product which do not broken after curling to 45°is the conforming article. Continue curling the glass screen protector and make it broken. If there is no glass particles dropping. The more dense the rift is, the higher the degree of the steel of the glass screen protector is, the higher the quality is.
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