Overview
Form WK Pure White Cardboard is a plain White Cardboard with a Dimension of 8-5/8 x 11-1/4 inches (219 x 286 mm) for sealed testing. Its Encasement size is 250 sheets per box, and each box weighs approximately 11 pounds.
Features
1. Pure white color, providing a standard test background.
The size is accurate, measuring 219 x 286 mm.
3. Moderate thickness, approximately 0.36 mm.
4. Encasement is convenient, 250 sheets per box, easy to access and store.
Principle
This product is used as a test substrate to evaluate the hiding power, Glossiness, Color performance and drying performance of coatings by Spreader sealed and other materials on its flat pure white surface. Its standardized size and Color provide a benchmark for the repeability of test results.
Applications
Paint testing, inks testing, sealed performance evaluation
Standards
The data did not mention specific compliance criteria
Steps
1. Remove a Form WK card from the Encasement.
2. Place the cardboard flat on the test table.
3. Drawdown blades, coating applicators or Miscellaneous tools are used to seal Spreader evenly on the surface of the cardboard.
4. Make the coating drying under standard conditions (e.g. specified temperature, Humidity).
5. Observe and evaluate the performance of coatings on cardboard, such as Gloss, Smoothness, Color, etc.
Notice
• Please make sure that the surface of the cardboard is clean, flat and crease-free before use.
• Spreader testing should be performed under standard environment conditions to ensure comparability of results.
• Encasement in good condition and place in a cool drying place to avoid moisture or pressure deformation.
• This product is a test consumable, and the specific test method shall follow relevant industry standards or internal procedures.
