prov:value
| - Specific examples of the filler for use in the mat layer are finely-divided particles of an inorganic pigment such as calcium carbonate, silica, zinc oxide, titanium oxide, aluminum hydroxide, zinc hydroxide, barium sulfate, clay, talc, and surface-treated calcium carbonate and silica; and finely-divided particles of an organic pigment such as urea-formalin resin, styrene-methacrylic acid copolyme
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