印刷测量时垫白或垫黑参考资料（英文）
发布时间：2021-03-06 22:17
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Criteria for white and black backing:
| White backing | Black backing |
| Opague (transparancy > 99 %) | Spektraly non selective |
| Diffuse-reflecting | Diffuse-reflecting |
| CIELAB C* ≤ 2.4 | Visual density ≥ 1.3 |
| No fluorescence | |
| 92 ≤ CIEL* ≤ 97 | |
| R at 400 / 410 nm ≥ 0.3 | |
| R at 420 / 450 nm ≥ 0.75 | |
| R at 460 / 670 nm ≥ 0.8 | |
| R at 680 / 700 nm ≥ 0.75 |
The following white backings correspond to ISO 13655:2009 as quoted further down：
Gretag/Macbeth SpectroScan with white backing
Two sheets ColorGate “ISOProof 270 g”
Two sheets CGS “ORIS PearlPROOF Super”
Two sheets “RP271 S Satin 270 g
Three sheets of “GMG Proofpaper Semimatte 250”
X-RITE iO with white backing
Barbieri Spectro LFP with white backing
Three sheets Epson “Standard Proofing Paper”
Three sheets EFI “Proof Paper 7250”
ColorScout A+ for Konica Minolta FD-7 with white backing
ColorPartner Whitebacking
- 2020-05-20
- 2019-01-01
- 2015-11-05
- 2020-06-04
- 2021-01-03
- 2020-05-13
- 2020-05-17
- 2020-03-21
- 2022-04-12
- 2019-12-06
- 2019-08-01
- 2019-08-01
