Overview
PUSHEN PS 2930/2 medium black and white paper is one of the ZGL hiding power measurement cardboard series products. It is made of high-quality non-fluorescent paper and does not contain Fluorescent Whitening Agent. It is suitable for hiding power testing or rapid proofing of paints, paints, inks. This model is Laminating cardboard, size 142 × 250mm, Encasement size 100 sheets/pack.
Features
Black part reflectance < 1, white part reflectance at 80 +/- 2;
2. Laminating cardboard smooth surface, strong anti-Curling ability when stoving;
3. Non-fluorescent paper material, 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 tests the covering performance of coatings through black and white contrast areas, providing standard contrast substrates with low reflectance in the black part and high reflectance in the white part. Laminating is designed to enhance surface smoothness and Curl resistance, ensuring accurate and reliable test results.
Applications
Paints, paints, inks hiding power testing, rapid proofing
Steps
1. Prepare PS 2930/2 test cardboard;
2. On the cardboard brushing paint to be tested;
3. Observe the covering effect of the black and white area.
4. Evaluate the covering performance of the paint.
Notice
• Ensure that the test environment meets the standard conditions;
• Maintain uniform spreading rate when brushing;
• Avoid moisture or contamination of the test piece;
• Laminating cardboard is suitable for stoving test, pay attention to anti-Curling characteristics.
