The choose and buy a good spring mattress

Spring antirust processing, with side chains of mattress, can open the check, to see if the spring rusty, is can't buy. View: the quality of the outside material of the works are consistent, no clear frown, no floating line, break line. Around the hem straight, round side wants even symmetry, no burrs.

mattress adjacent side should be perpendicular to each other. According to requirements, the mechanism of the two mattresses diagonal length difference should not be greater than 25 mm, shall not be greater than 20 mm single mattress, foam mattress pad inside, use should be more dense type of polyurethane foam plastic, rather than using qualitative light, compact degree of polyethylene foam.

the second is to check its function: hard on the mattress with the hand, have to check the spring in the mat with ears, there is no friction sound good product. With a hand to press and pull over the surface of the place, not the feeling of wire sticking out, otherwise, the presentation there are unsafe.

to sleep on the mattress, the body can't have contact with the spring uncomfortable feeling, otherwise that spring the material is too thin and the above does not comply with the requirements.