Test Method: ISO; 1518 -1973, IS: 101 (Part 5/Sec 2)-1988 Out line of the test method

This is a test method for determining the resistance of a paint film to penetration by scratching with a needle. The test may be used a Go/No-Go test by applying a single specified load to the needle it may also be used by applying increasing loads to the needle to determine the maximum load at which the coating is pulled/penetrated to the substrate ……