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Grindometer

A device used to measure the size of pigment particles in the inks and paint. Also know as grind gage.  

Pencil Hardness

Pencil Hardness A set of graded pencils Non-standard but well-accepted measure of the hardness of pencil leads (made of different proportions of graphite and clay), commonly ranging from 6B (maximum graphite, hence softest) to 6H (least amount of graphite, hence the hardest) with HB (roughly equal amounts of graphite and clay, hence medium soft/hard) in [...]

Scotch Tape Test

Scotch Tape Test A method for evaluating the adhesion of a coating to a substrate. Pressure-sensitive tape is applied to an area of the coating which is sometimes cross-hatched with scratched lines. Adhesion is considered to be adequate if coating is not pulled off by the tape when it is removed. Scotch Tape Test是用来评估涂料对基材附着性的一种测试方法。压敏胶带贴在涂布面上。如果胶带剥离的时，涂层没有被剥掉，说明附着性是合格的。 Definition [...]

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