![]() ![]() The same procedure can be applied for transparent films and plastics. The operator is menu guided through the measurement procedure and the opacity value is displayed automatically in asecond. After air drying the drawdown can be objectively evaluated using the BIUGED opacity meter. How many layers are necessary for complete coverage?ġ00% opacity means complete hiding, nodifference can be seen between the drawdown over black and white.Ī uniform paint film is applied on ablack/white contrast chart. With the lot number printed on every chartĮssential sales criteria for architectural paint are hiding power and yield.The reflectance of black area<1;reflectance of with area:80☒。 Comprised of a simple combination of black and white areas.Selection of test charts dependent on application: 1. Double film laminated will not warp and bend-even in high humidity environments.Superior adhesion properties and flexibility.Package is shrink-wrapped with low permeability plastic to prevent moisture absorption during shipping and storage.Rugged design (0.5 mm thickness)to prevent warping and bending after the coating is applied.Superior adhesion characteristics, especially with latex paints.Repeatable color and gloss-lot after lot.Guaranteed non-fluorescent paper in compliance with ASTM D344. ![]() Are ideal for a wide range of coating systems: water and solvent borne technologies.Therefore, Biuged offers two types of drawdown cards and charts. The resin type requires different solvent types and dependent on the polarity of the solvent, the organic ingredients will be more or less activated. Selection of test charts dependent on coating technologyĭepending on the types of solvent used in paint formulations a drawdown chart needs to be more or less solvent resistant. Depending on the material properties of the product to be tested and its usage different types of drawdown cards are available. They are used for testing architectural, industrial, automotive, wood finishes or even cosmetic products(e.g. Test charts are easy to use and an economical substrate to test a variety of coating properties, such as opacity, spreading rate, and flow & leveling behavior. Stringent equality control during the production process assures that they have the most consistent color and gloss in the industry. We have wide range of drawdown cards and charts for virtually any application and coating material. Caltech India offers Charts / Opacity Charts / Drawdown Charts. ![]()
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