Iron corrosion; anti-fouling and anti-corrosive paints . Pig. 46 (magnified).—Efiect of fine spray (rain) on a wet coat of paint. gain admission to the inferior strata of the paint, wherebythe durability of the coating is imperilled. The number of coats of paint required to protect thesubstratum depends on the covering power of the power implies the quantity of paint necessary, per givenunit of surface, to completely mask the colour and superficialcharacteristics (not form) of the underlying material. Now the various pigments diiifer considerably in coveringpower; but the matter mus
Iron corrosion; anti-fouling and anti-corrosive paints . Pig. 46 (magnified).—Efiect of fine spray (rain) on a wet coat of paint. gain admission to the inferior strata of the paint, wherebythe durability of the coating is imperilled. The number of coats of paint required to protect thesubstratum depends on the covering power of the power implies the quantity of paint necessary, per givenunit of surface, to completely mask the colour and superficialcharacteristics (not form) of the underlying material. Now the various pigments diiifer considerably in coveringpower; but the matter must be regarded from two stand-points, and it is preferable to speak of absolute and relative 94 mON-COEEOSION AND ANTI-COHROSIVE PAINTS. covering power. White lead, to take one example, possessesa greater absolute covering povper than zinc white, but therelative covering power of the latter exceeds that of the. Pig. 47 (natural size).
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectcorrosionandanticorr
