with the progress of the times, the reform of education, the school originally used wooden desk becomes smaller and smaller, more and more tend to lift steel wood desks and chairs . Because the steel wood of desks and chairs more durable, beautiful.

many schools, steel bought the desks and chairs to use less than a semester, desk steel surface spray began to fall off, rusty steel part. The reason is very simple, because the steel part process not in place.

Senda furniture, as an experienced desk manufacturers, so now to have a look at our desk steel surface treatment technology is how.

steel in the back, in order to prevent rust, the surface is treated, with oil. Then in the spray before, the first to pickling degreasing, degreasing recipe using professional steel surface oil removal. Sometimes steel placed too long can not completely prevent the surface does not rust, and then carried out on the steel rust. After removing oil, rust steel surface will become very smooth, after this step is complete in order to prevent the steel from liquid rust out in case of air oxidation, requires immediate phosphating. After the steel surface phosphating treatment is enclosed by a thin layer of phosphating film, can be very good to prevent air to prevent oxidation of steel. Treatment process of a series of complete. Before plastic powder spraying, guarantee the steel surface is dry, no dust, so that the spray up plastic powder can be tightly attached to the steel surface. Even if the hammer is not easy to fall off.

treated strictly produced after desk can generally be used for more than 5 years, plastic powder does not fall off, do not rust. Therefore, treatment technology school before purchasing desks and chairs must be carefully inspected manufacturers.