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External coatings of EN877 cast iron pipe
Aug 07, 2018

The external coatings on finished products which are only considered as a primary coat shall not be readily flammable and shall be free from toxic heavy metals.

When tested in accordance with 5.7.3 the materials for external coatings shall conform to the following requirements:

-colour: definition by trichromatic coordinates: L=37; a=24; b=16; △E=4.0 in accordance with ISO 7724-1 (approximately reddish brown);

compatibility with other paints: paints normally used on metallic structures;

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