| SHANDONG JINHUA CLEAR FLOAT GLASS | ||||
| Defect Type | Quality Requirement for Mirror Grade Float Glass | |||
| Length, number of defect allowable | ||||
| Bubble | Length, number of defects permitted for 2mm | |||
| 0.3mm≤L≤0.5mm 2XS, number | 0.5mm≤L≤1.0mm 1XS, number | 1.0mm |
L>1.5mm 0, number | |
| Length, number of defects permitted for 3mm,5mm and 6mm | ||||
| Length L 0.3mm≤L≤0.5mm 3XS, number |
Length L 0.5mm 2XS, number |
Length L 1.0mm 0.5XS, number |
0XS, number | |
| Inclusion | Length, number of defects permitted for 2mm | |||
| Length L 0.3mm≤L≤0.5mm 2XS, number |
Length L 0.5mm 0.5XS, number |
L>1.0mm 0XS, number | ||
| Length, number of defects permitted for 3mm,5mm and 6mm | ||||
| Length L 0.3mm≤L≤0.5mm 1XS, number |
Length L 0.5mm 0.5XS, number |
L>1.0mm 0XS, number | ||
| Spot Defect Density | Bubble length>0.5mm or inclusion>0.5mm, the distance between bubble and bubble, inclusion and inclusion, bubble and inclusion shall be more than 300mm | |||
| Hair line | Inspected according to standard, invisible by naked eye | |||
| Scratch | The allowable length and width and strip number | |||
| width 0.1mm, length 30mm,2XS, number | ||||
| Optical Distortion | Incidence angle: 2mm 45o, 3mm 55o, >4mm 60o | |||
| Surface Crack | Inspected according to standard, invisible by naked eye | |||
| Defect in cross section | The lost edge, up and down on the edge or the corner missing shall not be more than the thickness of the glass panel | |||
| Note | S: the surface area of the glass panel, unit: M2, the two
positions after the decimal point shall be kept, the permitted number of the
bubbles, inclusions and scratches shall be respective coefficient multiplied
by S. It should be approximate to an integral according to the GB/T8170 |
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تاريخ : چهارشنبه نهم آذر ۱۳۹۰ | 23:48 | نویسنده : علیرضا حسینی |
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