Invitations to tender:
"Coating according to GSK specifications"
Epoxy resin powder coating, in- and outside in accordance with the quality assurance RAL-GZ 662 of the "Gütegemeinschaft Schwerer Korrosionsschutz GSK" (Association for Excellent Corrosion Protection with Epoxy resin powder coating) in accordance with DIN 3476 (P) and DIN 30677-2 (layer thickness min. 250 μm, freedom of pores by electric impact test of 3 kV, adhesion in- and outside min. 12 N/mm˛ after conditioning for 7 days in deionized water at 90 degr. Centigrade, approved for use in potable water systems, controled by independent test institute.)