Glass thickness | 1.6mm | 2.0mm | 3.2mm |
Tempered or not | Semi-tempered | Semi-tempered | Tempered |
Max size | 1350×2500mm | 1350×2500mm | 1350×2500mm |
General bow | ≤0.20% | ≤0.20% | ≤0.20% |
Local bow | ≤0.25mm/300mm | ≤0.25mm/300mm | ≤0.25mm/300mm |
Edge warp | ≤0.35mm/300mm | ≤0.35mm/300mm | ≤0.35mm/300mm |
Surface stress | ≥80MPa | ≥80MPa | ≥120Mpa |
Fragmentation test | / | / | 60-120pcs |
Falling ball test | Standard 227g steel ball from 1m height | Standard 1040g steel ball from 0.6m height | Standard 1040g steel ball from 1m height |
Static pressure test | 1600pa | 2400pa | 4000pa |