div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=viscosity-classification-equivalents-generalviscosity-each-iso-viscosityhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Viscosity Classification Equivalents - Petroliance - GeneralViscosityEach ISO viscosity grade number corresponds to the mid-point of a viscosity range expressed in centistokes loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentinreader036viewer20220623065fc0b715d0c92728a5543097html5thumbnails1jpg width=140 height=200 divpViscosity Classification Equivalentspdiv