Panelling made of enamel is manufactured in accordance with selected standards and rules:

Base materials:	Standard
Steel	EN 10209, EN 10130
Enamels	company standard of the manufacturers
Enamelling	EN 14431

Tests:	Standard
Impact resistance and thougness	EN ISO 4532
Salt spray test	EN ISO 9227
Resistance to citric acid at room temperature	DIN ISO 2722 EN 14483-1 part 9
Measurement of coating thickness	EN ISO 2178
Colour determination	EN ISO 7724
Determination of the degree of lustre	EN ISO 2813 DIN 67530
Extra-low voltage test (9V)	EN ISO 8289
Extra-high voltage test (1kV)	EN ISO 2746
Hardness of MOHS	EN 101
Adhesion of enamel	EN 10209
Scratch resistance	EN ISO 15695
Thermal shock resistance	EN ISO 2747
Non-combustible test (A1)	DIN 4201 Part 1 BS 476 Part 4
Fire propagation	BS 476 Part 6
Fire resistance	BS 476 Part 7

In specific cases national standards are taken into account with reference to the project.