We all know that the comfort of the sofa is not only related to the structure of the sofa, but also directly related to the sponge. Being tired, sitting up, backache and panic are all caused by the problem of the sponge pad.
Soft sponges are sponges with low density. They are very comfortable to sit up at first, but they will have low back pain after sitting for a long time. Another disadvantage is that they are not durable. If the sponge collapses after 1-2 years, it will be replaced.
Hard sponge is a high-density sponge. It's a little uncomfortable to sit on, but it can be used for many years.
Therefore, customers often ask about changing the sea surface. Is it better to have high hardness or low hardness.
High density sponges cannot be judged by weight alone. Generally speaking, the hardness of high-density sponge is also very high, but it does not rule out that some high-density sponges will add super soft additives to make the sponge super soft and used as sound-absorbing cotton. Sofa cushion, soft bag material. Sofa renovation tells you: medium density and low density sponges are used for general maintenance materials, and the hardness and hardness of sponges with the same density are still different.
Sofa renovation tells you that high-density sponge sofa cushion generally has sofa cushion, with sponge density of about 35 and soft, hard and super soft specifications. Mattresses are usually about 22 feet. Generally speaking, high-density sponges have many pores, abundance and external force absorption, and feel delicate, soft and comfortable. Although the sitting posture will become slightly stiff, it is not easy to deform. It's heavier than a dense sponge sofa cushion. Usually, it is not used to absorb water. High density sponge sofa cushion has high elasticity. There is a kind of elasticity under hand pressure, which is the reason for the renovation of sofa. Reasons why refurbishment manufacturers recommend choosing high-density sponges.