Overview
YINGXU 140 * 250 with Laminating test cardboard is a China black and white Opacity Chart, Dimensions are 140 * 250mm, Laminating on the surface, and the style is black and white in half. This product is specially used for Coating, inks and other experimental film detection samples hiding power performance, Encasement specification is 100 sheets/pack.
Features
1. China Black and White Opacity Chart, size 140 * 250mm
2. Laminating design on the surface
3. Black and white half style, easy to hide power detection
4. Encasement specification is 100 sheets/pack, easy to use
Principle
The test cardboard visually shows the covering performance of the Coating during the experimental film process through the black and white half style. When the Coating is covered on the cardboard, the covering ability of the film to the base color is evaluated by observing the covering effect of the black and white area.
Applications
Coatings, inks and other experimental film detection
Steps
1. Prepare test cardboard and samples of coatings or inks to be tested
2. Coating the Spreader evenly in the black and white half area of the cardboard
3. Observe the coverage effect of the black and white area after the film
4. Evaluate hiding power performance based on coverage
Notice
• Make sure the surface of the cardboard is clean and free of contamination before use
• Spreader Coating should cover the black and white area evenly
• Avoid paper jams from getting wet or folded, which will affect the test results
Store in a drying environment to prevent Laminating damage
