1, melt it into water with cold washing essence or special washing liquid for felt, and dip it in water to clean the stains. Avoid wiping hard, even using a brush, which will make the surface of the work very rough.
2, you can cover the stain with the same color hair and feel it.
3. Wash 1000L felt with 2KG nonionic surfactant and 4KG sodium tripolyphosphate at 40-50℃. Every wash 100KG felt 10-20Min. Rinse the resin on the felt with water.
Extended data:
1, wash wool felt with cold water, because hot water is easy to destroy the structure of protein in wool, resulting in the shape change of wool felt. In addition, before soaking and washing, the grease on the surface of wool can be sucked dry with paper towels, which is convenient for cleaning.
2, wool felt must be hand-washed, never wash it with a washing machine, so as not to destroy the surface shape of wool felt and affect its beauty.
3, wool felt is made of wool, so you can't use a detergent containing bleaching ingredients, you should choose a detergent special for wool.
4. When cleaning wool felt, you can't rub it hard. After soaking, you can gently press it with your hand. When the parts get dirty, some cleaning agents can be used. Never brush.