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Go to the market and buy a soft solution, put it on it, and deal with it in another fifteen minutes, but I don't know how long it has been since your sofa was damaged?
In fact, the two are almost the same, JS stock solution is a kind of polyacrylate emulsion, ethylene-vinyl acetate copolymer emulsion and other polymer emulsions and various additives composed of organic liquid materials, and cement, quartz sand, light and heavy calcium carbonate and other inorganic fillers and inorganic powder composed of various additives through reasonable proportioning, composite made of a two-component, water-based building waterproof coating, its waterproof performance is better than acrylic.
First do 2 times of acrylic paint, the second time when the surface is dry, paste a layer of cloth, then make a layer of acrylic paint, then paste a layer of cloth, and finally apply a layer of acrylic paint
You can use Guoerjia's waterproof material, which is made of acrylic as the most raw material, advantages: non-toxic, harmless, environmentally friendly, pollution-free, simple construction, large elongation, good crack resistance, good weather resistance. Hope it helps the landlord.