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Shenzhen Dragon Glass glass appearance quality control

Shenzhen Dragon Glass glass appearance quality control, including dimension, appearance, bow, and warp. Through lightbox, check by prospective observation, and visual check, and steel ruler.

Dimension deviation requirement of the glass

Appearance control, bow, and warp Appearance Dimension deviation requirement of finished glass:

  • When the side length ≤1000mm, the deviation should be within ±2mm for length and width, and within 3mm for diagonal;
  • When the side length is between 1000mm and 2000mm, the deviation should be within +2,-3mm for length and width, within 4mm for the diagonal;
  • When the side length is ≥ 2000mm, the deviation should be within ±3mm for length and width, and within 5mm for diagonal.

General principles for glass quality control

We mainly process and produce: Tempered glass (Toughened glass); Laminated glass; Insulated glass; Curved glass; Coated glass(Low e & Solar reflective); Ceramic frit glass; Digital printing glass, etc. We follow ISO 9001 certified quality to control standards and guarantee our products’ approval by CE&ASTM.

General Principles for Glass Quality Control:

  • Plate glass shall meet the ASTM C1036 standard;
  • Heat treatment plate glass shall meet ASTM C1048 standard;
  • Tempered, heat-strengthened glass shall meet the ASTM C1048 standard;
  • Laminating glass shall meet the ASTM C1172 standard;
  • Insulating glass of the unit shall meet the ASTM E2190 standard;
  • Coating glass shall meet ASTM C1376 and ASTM C1048-B standards;
  • Tempered glass with heat soak shall meet BS EN 14179-1:2005& APP37 standard.
Shenzhen Dragon Glass glass quality control

As we specialize in glass, you can be assured that every member of our team is a well-trained, experienced expert in their field with a passion for the career path they have chosen.

As a professional glass manufacturer, we Shenzhen Dragon Glass are interested in creating a long-term strategic partnership with you! We always strive towards the highest quality product, workmanship, finish, and customer care, using the latest technology to provide outstanding quality at competitive rates.

If you have a project that requires high-quality glass panels, contact us today, or fill in the inquiry form on our contact page and we will get back to you as soon as possible.

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