IMBIBER BEADS® not only work well, they are the only certified, true aBsorbent of organic chemicals/hydrocarbons (oil, gas, diesel, BTEX, etc) per ASTM International Standards.
ASTM F 716-07 3.2.1 defines absorbent as "a material that picks up and retains a liquid distributed throughout its molecular structure causing the solid to swell (50% or more). The absorbent is at least 70% insoluble in excess liquid."
ASTM is the globally recognized leader of International voluntary consensus standards.
As of today there are 12,000 standards in use world-wide, serving as benchmarks to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence.