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Item | Technical requirements | Testing methods | ||||||||||||
Length(mm) | * ±0 3 mm | Tape-line | ||||||||||||
Width(mm) | * ±0 3 mm | Tape-line | ||||||||||||
Thickness | 1.5± 0.1 mm | caliper-gauge | ||||||||||||
Diagonal | ≤3mm | Tape-line | ||||||||||||
Warpage (mm) | Edge: ≤±0.5(mm) | 0-level platform/ plug gauge | ||||||||||||
Color | In accordance with the reference plate | Visual inspection | ||||||||||||
Transmittance | 60%±5% | Luminousness / haze meter | ||||||||||||
Haze | ≥99% | Luminousness / haze meter | ||||||||||||
Appearance | There shall be no notch, indent, mark or disrepair | 1. Visual inspection | ||||||||||||
And there shall be no black spots or foreign matter Φ≥0.2mm. | ||||||||||||||











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