Vitreous and porcelain enamels. Enamel coatings applied to steel for writing surfaces. Specification Ingestion-build-201039 Adds a requirement to inform

Adds a requirement to inform customers when safety-critical work has been done

This European Standard specifies the minimum requirements for complete ready-to-wear spectacles

5 mg/kg to 1

which are assumed to act freely and independently under loading

Vitreous and porcelain enamels. Enamel coatings applied to steel for writing surfaces. Specification Ingestion-build-201039 Adds a requirement to inform1 Scope This International Standard specifies the requirements for the functional and aesthetic characteristics of vitreous and porcelain enamel coatings applied to plain steel, for use as writing surfaces (whiteboards and chalkboards).