Low pigments costs algae-retardant roofing granule products containing metallic copper

   
   

Algae-resistant roofing granules consisting of one or two coats of a fired semi-ceramic composition having a metallic copper powder which does not significantly affect the color tint strength of the pigment contained in the coatings.

Водоросл-upornye зерна толя consist of один или два миллиона пальто ого семи-keramiceskogo состава имея металлический медный порошок значительно не влияет на прочность подкраской цвета пигмента содержали в покрытиях.

 
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