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配方類型：	MISCELLANEOUS
配方說明：	Eraser (Pencil)
配方組成：	Titanium Dioxide/10 Lithopone/100 Fina Process Oil 2059/30 White Factice 822/100 Zinc Oxide/10 Vulcanizate Properties: Cure: 30 min at 150 C in stea Density (mg/m^3)/1.67 Hardness, IRHD/40 Stearic Acid/2 Barytes/80 Mill mixing is often preferred because of the greater control it allows. High factice levels can also cause occasional crumbling in internal Sulfur/8 mixers unless care is taken. Mill rolls should be kept cool since high MBTS/1

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