Crown Bituminous Composition for Drinking Water Tanks
Category
Specialized Coatings
A single pack, bitumen-based coating for lining water tanks.
Please Choose Capacity.
Additional
Information
Mainly used for the internal lining of metallic and concrete portable water tanks.
Bleeds and discolors when overcoated with oil-based paints.
The product can be applied by: Brush or spray. Spreading Capacity per coat: Depends on film thickness applied, type of texture, surface porosity, imperfections, temperature & wastage during painting.
New Ferrous and Steel Surfaces: Degrease the surface using Crown White Spirit or a suitable degreaser, followed by a fresh water rinse. The surface should then be abrasive blast cleaned to SA 2½ in accordance with Swedish Standard SIS 055900 – 1967. Alternatively, the surface may be prepared by wire brushing to ST 3 of the same standard. No separate primer is required as the product is self-priming. Apply 1–2 coats of Crown Bituminous Composition for Drinking Water Tanks, diluted with Crown White Spirit according to the recommended application method.
New Galvanised Iron and Aluminium Surfaces: Begin by degreasing the surface with Crown White Spirit or an appropriate degreaser, followed by a fresh water rinse. Prior to priming, test the surface to ensure it is “water break free.” Apply one coat of a 1-pack Etch Primer or Mordant Solution. No additional primer is required as the coating system is self-priming. Finish with 1–2 coats of Crown Bituminous Composition for Drinking Water Tanks, diluted with Crown White Spirit in accordance with the recommended application method.
New Plaster or Concrete Surfaces: Ensure the surface moisture content is below 3% and remove all loose particles before coating. Apply one coat of Crown Bituminous Composition for Drinking Water Tanks, diluted with up to 10% Crown White Spirit as a priming coat. Follow with 1–2 coats of Crown Bituminous Composition for Drinking Water Tanks, diluted with Crown White Spirit as per the recommended application method.
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