Paints and varnishes. Determination of film hardness by pencil test Ingestion-build-73073 Safeguards

Safeguards

This contributes towards improving the surface properties of work pieces and components

CEO of Accountability and Co-Chairman of the Committee responsible for the development of BS 8900 says of the standard:

are not part of this part of ISO 13894

Draining plugs

Paints and varnishes. Determination of film hardness by pencil test Ingestion-build-73073 Safeguards1 Scope This document specifies a method for determining the film hardness by pushing pencils of known hardness over the film. The test can be performed on a single coating of a paint, varnish or related product, or on the upper layer of a multi coat system. This rapid test has not been found to be useful in comparing the pencil hardness of different coatings. It is more useful in providing relative ratings for a series of coated panels exhibiting