B301: white pigment ,zinc sulfide content is 28%. Covering power is
stronger than zinc oxide, worse than titanium dioxide, and good
heat resistance.B302:white pigment ,zinc sulfide content is 28%.
After surface treatment, it has better dispersion than
B301B311:white pigment ,zinc sulfide content is 30%.Compared with
B301, it has stronger covering power and fading power also better
dispersibilityUsage:Used for coloring paint, ink, rubber, rubber
products, paper, lacquer cloth, oil cloth, leather, watercolor
pigment, paper, enamel etc . It also used as adhesive in the
production of electric beadsInorganic white pigment, widely used in
polyolefin, vinyl resin, ABS resin, polystyrene, polycarbonate,
nylon, polyformaldehyde and other plastics, as the white pigment of
paint&ink. It is bad use for polyurethane and amino resin, and
cannot use for fluoroplastics.ITEMINDEX
B301 B302
B311HighFirstQualifiedHighFirstQualifiedHighFirstQualifiedSum of
total zinc of zinc sulfide and barium sulfate999999Total zinc(zinc
sulfide) %(m/m)≥282830Zinc oxide
%(m/m)≤0.60.81.00.30.30.50.20.30.5105ºC volatile matter
%(m/m)≤0.30.30.50.30.30.50.30.30.5Water soluble matter
%(m/m)≤0.40.50.50.40.50.50.0.40.5Sieve residue(63um sieve)
%(m/m)≤0.0.10.10.10.10.10.10.10.1Color(compared with standard
sample)Over matchsimilarSlightly worse thanOver
matchsimilarSlightly worse thanOver matchsimilarSlightly worse
thanThe water extract of alkalinity Intermediate hurdlesOil
absorption g/100g141110Reducing power(with standard sample) %
≥105100921051009510510095Cover
rate(contrast)
Not less than 5% standard samplepackage:25kg pp bag,craft paper bag
or anyothers according to clients request. /* January 22, 2024
19:08:37 */!function(){function s(e,r){var
a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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