1. Small area oily treatment Washing solvent:> 90 # gasoline or tetrachlorethylene. Washing method: Tile the leather in the wash case, with a sponge or cotton ball dipped in the right amount of solvent on the leather oil parts scrub, oil removal, with a towel dipped in 40-50 degrees Celsius hot water on the scrub site for micro-run, set Ventilated cool place to dry. 2. A large area of ​​oil treatment washing solution: A liquid: 95% alcohol, 25% ammonia, the ratio of 1: 1 B liquid: 25% ammonia water, softener, water ratio of 1: 1: 1 washing method: , Use a short brush dipped in liquid A to scrub brush pre-wash, brush while rubbing with a towel, adsorption of dirt and dirty liquid, oil pollution, dipped in liquid B second cleaning (method Ibid), net surface towel, Ventilated cool place to dry. 3. Leather surface anti-aging treatment Washing solution: Liquid A: detergent, water, the ratio of 1: 400 Concentration 0.25% - 0.3%, water temperature 35-40 ℃ B liquid: brightener, slip agent, water, the ratio of 1: 1 : 4 Wash method: The leather tiled in the wash case, with a brown brush dipped in liquid A gentle scrub, while brushing clean with a towel æ© wipe clean, oil stains, impregnated with sponge B solution scrub soft leather surface Treatment, let stand for 15 minutes, towel net surface, ventilated Ming cool place to dry. 4. Leather denitrification scrubbing solution: A solution: nitrite, salt, water, the ratio of 1: 1: 2 (dissolved mixed preparation); Commonly used amount: 250 grams of salt, 250 grams of salt, 55 grams of soft water. B liquid: fatliquor (water) slip agent, softener, water, the ratio of 1: 2: 2: 10, the water temperature 40-45 degrees Celsius. Solution C: Formaldehyde, water, ratio 1: 8 or 1:10. Washing method: The leather tiled in the washing case, with a brown brush dipped in liquid A repeatedly brushing the leather so that it fully infiltrated leather, let stand for 30 minutes, with a plastic ball dipped in B repeatedly scrub leather surface B, standing 15 Minutes, the net surface of the towel, the leather sleeve on the portrait gas mode, with a spray gun C liquid evenly atomized to the leather surface, ventilated cool place to dry.
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