Coating Designation and Corrosion Resistance for Zinc Flake
according to BS 7371 Pt 11 :1993
|Grade||Resistance of neutral salt spray, time for base metal corrosion in hours (min.)|
Note: Both grades are available with controlled lubricity
1 Grade A - coating thickness of 5µm to 10µm - equating to approx. 20 g/m2 2 Grade B - coating thickness of 8µm to 15µm - equating to approx. 30 g/m2
Note: Due to the fact that fastening applications differ greatly, the above information is for guidance only and is correct to the best of our knowledge. The customer must satisfy themselves with the performance of the fastener and validity of the data. TR Fastenings will not be held responsible for any failure that may occur from the use of this information.