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QINGDAO KINGDELE GLASS CO.,LTD.
Address:ROOM 102, BUILDING 7, MAX INNOVATION TECHNOLOGY INDUSTRIAL PARK, NO.151 WANGJIANG ROAD,HUANGDAO DISTRICT, QINGDAO CITY, SHANDONG PROVINCE, CHINA
WhatsAPP:+86 532 8685 9107
Contact Person:Erin Pan
Tel:+86 532 8685 9107
Fax:+86 532 8685 1939
Heat strengthened clear laminated glass II
(1)Semi-tempered glass is also called heat strengthened glass. The strength is twice that of ordinary float glass. At the same time, it avoids the flatness of tempered glass and is easy to self-explosion. Once it is destroyed, it is not as good as the overall crush.
(2)When the heat strengthened glass is damaged, it radially cracks along the crack source without tangential crack growth. Therefore the full piece can be maintained completely after destroyed under normal circumstances.
Quality standard:
Comply with GB 15763.3-2009
Comply with EN12150
Comply with AS/NZS 2080:2006
Comply with ASTM1048
Appearance quality requirement of heat strengthened laminated glass under below table.
items | requirement |
float glass defect | Meet JDG SQ grade glass |
| 0.5-1.0mm bubble qty<=1 within the range of diameter 300mm round |
pvb bubble | 1.0-2.0mm bubble qty<=1 within the range of diameter 600mm round |
pvb inclusion | Same as above |
chipped edge | Length less than glass thickness;depth less than half thickness;extended distance less than glass thickness |
wrinkle/stripe/crack | Not allowed |
dislocation | One edge<=1.5mm |
Scratch and abrasion | Not affect the usage |
fuzzy shadow | not obvious if observing it from 600mm distance of the glass |
unglued | Not allowed |