ASTM D716-86 pdf free.Standard Test Methods for Evaluating Mica Pigment.
These test methods cover the evaluation of mica pigment.
The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.
This standard does not purport to address all of thesafety concerns associated with its use.It is the responsibilityof the user of this standard to establish appropriate safety andhealth practices and determine the applicability of regulatorylimitations prior to use.
These test methods are used to determine apparentdensity of mica pigments and the grit level.This information issignificant to the user of mica pigments for inclusion incoatings.Transfer convenient quantities of the mica pigment tothe funnel of the modified volumeter and brush the pigmentthrough the screen with a camel-hair brush until the receiver isslightly more than full.Scrape off the excess and weigh thepigment.Care must be taken not to jar the apparatus during theprocedure. Calculate the apparent density of the mica pigment andconvert to pounds per cubic foot.Report the mean of three determinations as the apparentdensity of the mica pigment.The mean of the three determinations should checkwithin 5 %.ASTM D716 pdf download.