Twards OTZ WB Hiding Power Test PaperIt is a pure white covering power paper with overlay varnish, suitable for some water-based or solvent-based paint tests, pure white covering power test paper can fully present the actual color of the paint, and there is no influence of black area on color presentation.WA/WB/WDXThe three models of the Hiding Power Test Paper are three sizes of paper per boxquantityDifferent.
| Model | color | Dimensions (mm) | type | Quantity per box (sheets) | brand |
| WA | All white | 140x254 (5-1/2x10 inches) | Concealed varnish | 250 | LEADER |
| WB | All white | 194x289 (7-5/8x11-3/8 inches) | Concealed varnish | ||
| WDX | All white | 98x152 (3-7/8x6 inches) | Concealed varnish | 500 |
Blocking force jam: Measure the hiding force with an instrument
Permeable cardboard: Used to evaluate the consistency of color and gloss of a voided surface
Visual assessment of hiding power:
- Comparison/coating rate jam
- Black and white grid/coating rate cardboard
Brush cardboard is used for informal brushing
Dedicated test jams for sag and leveling tests.



WA WB WDX