Description
Form 3B Opacity Chart is a high-quality black and white sealed testing chart designed for accurate paint, coating, and color opacity evaluation. The chart features a distinct layout — with the top and bottom sections in white and a central black strip — allowing for precise contrast measurement and visual assessment of hiding power.
Manufactured to industry standards, Form 3B charts ensure consistent surface quality, gloss uniformity, and reliable test results in laboratory or production environments.
Each chart measures 7-5/8 x 11-3/8 inches (194 x 289 mm) and is constructed from durable, sealed paper stock to prevent absorption and contamination.
The charts are packed 250 per box, providing convenient bulk supply for laboratories, coating manufacturers, and quality control departments.
Applications:
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Paint and coating opacity testing
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Color and hiding power evaluation
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Quality control and product comparison
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Laboratory and R&D testing
