Internal coatings
When tested the materials for internal coatings shall conform to the following requirements:
resistance to salt spray : at least 350 h in accordance with ISO 7253;
resistance to waste water : at least 30d at 23 °C;
chemical resistancefrom pH2 to pH 12 : at least 30d at 23 °C.
When tested in accordance with 5.7.2, the internal coatings on finished products shall conform to the following requirements:
dry coating thickness : not greater than 400 μm (except for specific coatings for
special applications), and at least the minimum factory
applied thickness to be specified by the manufacturer
adhesion : in accordance with level 1 of EN ISO 2409;
resistance to hot water : 24hat 95 °C;
resistance to temperature cycling : 1500 cycles between 15 °C and 93 °C.
Post time: Jun-27-2022