How to judge whether the double glazing of the window is tempered glass

       1. Listen to the sound, knock on with something, just make the glass sound crisp; the sound of ordinary glass is stuffy.

  2. Looking at the refraction of light from glass, if it is tempered glass, it may be seen that there is a column of blue or gray regular, dark intermediate, shallow and fuzzy circular or elliptical or long strips on the surface of the glass.

  3. Slip with a glass knife. If it is tempered glass, it is difficult for the glass knife to leave a slip on it.

  4. The tempered glass has the logo type.


  5. Distinguish from the state of debris formed by fragmentation of a piece of glass: the formation of relatively small pieces of regularity is general tempered glass; most of them are regular small pieces, and a small part of the central area is a relatively large piece, that is, the area Tempered glass; in addition, it is not tempered glass. The identification of tempered glass is indeed difficult. The average user is to see if there is a seal of the tempered mark.

       If you are interested in the Tempered Glass, Quartz Glass Plate, Quartz Glass Tube or need to consult, please click on our online customer service or call us.

  Panshi customized different quality specifications of the glass.

  Panshi special industrial glass, tailored for your different quality of the glass.

  Welcome sending your inquiry: Phone : +8617656208428 Email:

Inquiry Details

Sales Manager: Amanda Hou


Phone/WhatsApp: +8618937399428

Sales Manager: Andy Du


Phone/WhatsApp: +8617656208428

Company name: Xinxiang Panshi Instruments Co., Ltd.

Address: Room 1502, Jing Ye Gong Yuan Guo Ji, Jin Sui road and New Second Street intersection, Xin Xiang city, Henan Province, China