Visual Petroleum Oils Comparator for ASTM D1500. A 3-field instrument for visually determining the color of petroleum oils & waxes samples according to the ASTM Color scale by direct comparison with colored glass filters.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.
