Assertion: lubricant | /r/ObjectUse | used in hot rolling
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text: A lubricant used in hot rolling when producing seamless metal tubes, The lubricant contains 10 to 20% by weight of a particulate oxide-based layered substance selected from potassium tetrasilicon mica, sodium tetrasilicon mica, natural gold mica, bentonite and vermiculite, Containing 10-20% by weight of a binder selected from boric acid (eg, H 3 BO 3 , HBO 2 ) and a boric acid compound; 2 to 30 solid lubricant particles selected from boron nitride (BN), silicon carbide (SiC), ultra-dispersed diamonds (UDD), fullerene C60, and iron (III) oxide (Fe 2 O 3 ) Including weight percent, A hot rolling lubricant characterized by The balance of the hot rolling lubricant is water and a dispersant.