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品牌: | 型号: |
厚度:3.2(mm) | 透光率:92% | 深加工类型:钢化玻璃 |
颜色:白玻 |
Base glass material | ||||||
Glass Properties | ||||||
Maximum iron content | £ 0,015% Fe2O3 | |||||
Glass thicknesses/tolerance | 3,2mm and 4mm ± 0,2mm | |||||
Solar energy transmittance TEin % Measurement by UV-Vis-Spectrometer
|
| MM | SM | |||
3,2mm | 91,1 | 91,1 | ||||
4mm | 91,0 | 91,0 | ||||
Weight | 2.5 x glass thickness in kg/m² | |||||
S urface condition (Surface Roughness ) | MM Glass Front and back side matt Ra0.5-1.7µm | SM Glass Front side matt and back side patterned Ra (matt) 0.5-1.7µm | ||||
Glass quality per sheet: Test criteria (EN 572-5; 1994 / 5.1.1.1): Viewing distance 1,5 m vertical to the sheet parallel to a matt grey sheet at a distance of 3m in diffuse daylight
| Bubbles/Core/Solid inclusions < 0,5mm unlimited | |||||
0,5 - 1,5mm 1,5 – 3,0mm > 3,0mm | 6 2 0 | |||||
Longitudinal: Bubbles/Core/Solid inclusions | ||||||
Length (mm) | 4-10 | 10-25 | >25 | |||
Width < 1mm | 4 | 1 | 0 | |||
Width 1-1,5mm | 2 | 0 | 0 | |||
Width > 1,5mm | 0 | 0 | 0 | |||
Scratches:Scratch length |
<5mm |
5-10mm |
10-25mm | |||
Scratch width < 1 mm Scratch width > 1 mm | 4 0 | 2 0 | 0 0 | |||
Dimensional accuracy | ||||||
Dimensions*1rectangular | 3,2mm max. 2200 x 1700mm min. 200 x 250mm 4 mm max. 2500 x 1800mm min. 200 x 250mm | |||||
Dimensional tolerance | ± 1,0mm | |||||
Angularity | 2mm/m (Maximum diagonal difference 3mm) | |||||
Edge processing | At least seamed | |||||
Shells L x W x D | Maximum permissible 12 x 1,0 x0,5mm | |||||
Cut corners | Maximum 3mm | |||||
Planity | ||||||
General bow : Fully tempered glass | 3mm/m | |||||
Local bow: Fully tempered glass | 0,5mm/300mm | |||||
Mechanical Properties | ||||||
Compressive strength: Fully tempered | 700-900 N/mm2 | |||||
Mechanical resistance: Fully tempered glass (bending strength) | 90 N/mm² | |||||
Minimum values from the particle count: Fully tempered glass: Number of fragments per a test area of 50 x 50 mm | 3,2mm minimum 30 4mm minimum 40 | |||||
| Longest fragment: 50mm | |||||
Heat resistance | ||||||
Thermal resistanc | Permanent temperature resistance up to 250°C |