Overview
PUSHEN PS 2930/3 large black and white paper is a test piece in the ZGL hiding power measurement cardboard series. It is made of high-quality non-fluorescent paper, does not contain Fluorescent Whitening Agent, and is suitable for the coating industry. The product is Laminating cardboard, Color style is top white and bottom black, size is 187 × 265mm, Encasement specification is 100 sheets/pack, spreading rate test piece exact area is 0.1 square meters, suitable for brushing at a specific spreading rate.
Features
The black part has a reflectance < 1, and the white part has a reflectance of 80 +/- 2.
2. Laminating cardboard has a smooth surface and stronger anti-Curling ability when stoving.
3. Made of high-quality non-fluorescent paper, does not contain Fluorescent Whitening Agent, does not affect Color test.
4. The exact area of the spreading rate test piece is 0.1 square meters, which is suitable for specific spreading rate brushing.
Principle
The product evaluates paint hiding performance by black and white contrast areas, black part low reflectance and white part high reflectance provides a standard test substrate to help users quickly detect the hiding power of paints or inks.
Applications
Paints, paints, inks hiding power testing, Miscellaneous paint rapid proofing
Steps
1. Prepare PS 2930/3 test piece.
2. Brush coatings on the surface of the test piece.
3. Observe the hiding effect and evaluate the hiding power.
Notice
• Ensure that the surface of the test piece is clean to avoid contamination affecting the results.
• Cover evenly when brushing to avoid uneven thickness.
• Keep drying during storage to prevent moisture deformation.
