How to make a sofa sponge

The full sponge butt is a pit to sit on, of course, the one with the spring is more comfortable than the full sponge, which is like the waist of the bed where people sleep on the sponge cushion will hurt, and sleeping on the Simmons bed will not have this phenomenon. Of course, the cost of a sofa cushion with springs is higher than that of a full foam cushion.

Sponge mat is a kind of general-purpose special rubber, in addition to the good physical properties of general rubber, it also has excellent characteristics such as flame resistance, oil resistance, chemical corrosion resistance, etc., so it occupies an important position in various synthetic rubber.

Sponge pad features: low pressure very good shielding effect, shielding effectiveness of more than 90dB, elastic and light weight. Anti-corrosion nickel coating, anti-galvanic corrosion.

Low surface contact resistance. Fast pressure-sensitive fixation. The length can be specified by the customer.

Numerous cross-section options. UL rated for fire protection. The quality of the pastable Mylar sheet (valet double-sided tape) is stable, hot pressure resistant, not easy to fall off, high tensile strength, and the product is installed after the product is installed, and the quality is still maintained after 72 hours of cycle test from low temperature -20 to high temperature 80 cycles.

It has a series of characteristics such as easy to use, free bending, ultra-thin volume, and reliable performance. PU sponge (polyurethane) PU sponge PU polyurethane, PU skin is the epidermis of polyurethane componentsNow clothing manufacturers widely use this material to produce clothing, commonly known as imitation leather clothing

PU English ploi urethan abbreviation, chemical Chinese name polyurethane Its quality is also good or bad, good bags mostly use imported PU leather;

PU leather is generally the second layer of leather with cowhide on the opposite side, and the surface is coated with a layer of PU resin, so it is also called film cowhide. Its price is cheaper and the utilization rate is high. With the change of technology, it is also made of various grades of varieties, such as imported two-layer cowhide, because of the unique process, stable quality, novel varieties and other characteristics, for the current high-grade leather, the price and grade are not inferior to the first layer of leather.

PU leather and genuine leather bags have their own characteristics, PU leather bags have beautiful appearance, easy to take care of, low price, but not wear-resistant, easy to break; Genuine leather is expensive and cumbersome to care for, but durable.

Foaming, sponge foaming, polyurethane raw material foaming, there is a certain technical difficulty!

The principle of manufacturing of sofa sponge.

The manufacturing process of all sponges is very similar to that of edible bread, and there are two ways to make it in two ways: machine foaming and manual foaming.

Due to the control of speed and equipment flow and formula adjustment, the temperature of 21 -25 variables will be the most stable, the bottom density is large, the texture is slightly hard, the elasticity of the bottom layer is slightly poor, usually machine bubble, manual bubble, for high elasticity sponge, need to add foot pedal for 2X4 hours (increase variables).