Now with the continuous development of production technology, glass also has a variety of new materials, with more powerful functions, tempered glass structure is very strong, tempered glass gradually replace ordinary glass. Tempered glass has greater strength and impact resistance than ordinary glass, so it is used in a variety of occasions where the strength of glass has certain requirements. However, because the hardness and appearance of tempered glass and ordinary glass is not much different, so some bad manufacturers will be ordinary glass as tempered glass sold to consumers.
We’ll show you how to tell if glass is tempered to help you avoid being cheated. When identifying whether the glass is tempered, you can use polarizing mirrors to identify the light-dyed sunglasses to look at the glass, the surface of the tempered glass should show a colored striped spot, ordinary glass does not; Look at the mark check certificate since 2003 to carry out safety glass product certification, the majority of the country’s construction steel / laminated glass production enterprises have passed the product certification, enterprises must be sold on the body of the product silk screen or paste CCC logo, or in its outer packaging and accompanying documents to apply cCC logo. When shopping for products, first check whether there is a CCC mark, and according to the enterprise information, factory number or product certification certificate number, etc. through the network to see whether the product of the production enterprise series has passed the mandatory product certification, whether the product model specifications in the enterprise has passed the capacity of mandatory certification, certification status is within the validity period.
Touch the curve of the steeled glass surface, the flatness of tempered glass will be worse than ordinary glass, with the hand to touch the steeled glass surface, there will be a bump feeling. Observe the long edges of tempered glass, there will be a certain degree of arc. Flat tempered glass products in GB15763. 2-2005 standard requires that the bow bend should not exceed 0. 3%, the waveform bend should not exceed 0.2%, the two larger tempered glass together, the arc will be more obvious. The naked eye can also identify tempered glass, usually the trademark on the glass for high temperature ink printing, so basically can be judged to be tempered, unless the trademark scraped off, it may not be tempered glass. There is a simple way to determine the steel, set up, watch the reflected scene on the glass, stand from different angles, the scene presents a regular wave deformation, you can judge that this is tempered, this is the steeling after the production of the ribs.
There is a glass to hit a piece, the fragmentised is small particles, no large sharp pieces, that is, the steeled glass. Consumers should be aware when purchasing tempered glass, be sure to provide the relevant inspection report or to make a written explanation of the type of glass. After the quality problem of tempered glass, some sellers may change their mouths to say that their products are reinforced glass is not tempered glass, causing unnecessary trouble. When buying glass, pay attention to measure its thickness, some manufacturers may be in these areas of cutting materials. For users who buy glass in large quantities, especially when buying safety glass products, be sure to show the seller the relevant safety certification certificate and warranty. Because of the hidden danger of self-explosion of tempered glass, consumers in the installation, use of tempered glass, to try to avoid the corner of tempered glass by hard impact, to maintain elastic contact. The hard strips around the glass doors and windows should not be set too tightly.The tempered glass structure is very strong and uses a wide range, but it is important to pay attention to the above information to identify tempered glass.