Accurate Hiding Power Measurement: This set of 100 test cards helps determine the opacity and covering power of paints, coatings, and other surface finishes. Dual-Sided Design: Each card features one half black and one half white, allowing for easy comparison and precise measurement of opacity. High-Quality Materials: Made from durable, high-quality card stock, these test cards are designed to withstand handling during testing without deteriorating. Ideal for Coating Industry: Perfect for manufacturers, testers, and professionals in the paint, coating, and ink industries to measure the hiding power of different products. Easy to Use: Simply apply the coating to the card and evaluate the opacity on both black and white sides for accurate results. Comprehensive Set: Includes 100 pieces of test cards, ensuring you have plenty of cards for repeated or large-scale testing needs. Versatile Testing: Suitable for use with a wide range of products including paints, coatings, and other liquid or paste-based surface finishes.