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How to clean hydraulic fluid from asphalt
Cover the area with cat box litter.
Cat litter is made to be ultra-absorbent, and it can soak up a lot of the hydraulic fluid, drawing it out of the asphalt. This works best on a fresh spill, but it can be an effective first step at treating hydraulic fluid which has soaked in, as well.
Choose from:
[1]. If you prefer, you can use another absorbent material, like sawdust or granulated clay. Use a push broom to spread the litter over the stain.
[2]. Unscrew any hoses and beams connected to every vehicle. These of this sort can be disposed of but do not need to be replaced, as they do not need to be filled in when the hydraulic fluid is applied.
[3]. Place these litter on the patched area to get into the cracks and crevices. Use a mop mop to clean the area where the leaking fluid lies.
[4]. Cat box litter bags come in a variety of varieties. Large squares of packing paper, twice the thickness of newspaper, paper towels, brush, soap and water, or cushions will work, depending on the size of the spill, etc.
[1].