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