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Sofa A Piece Of Software Furniture

May 10, 2017

The sofa is a kind of software furniture

The sofa is a foreign word, according to the English word sofa transliteration. For a multi-seat chair with cushions. Equipped with spring or thick foam and other backrest chairs, both sides have handrails.

Sofa history

Sofa The origins of the sofa can be traced back to ancient Egypt around 2000 BC, but the true meaning of the soft package sofa appeared in the late sixteenth century to the early seventeenth century. At that time the sofa mainly with horse mane, poultry feathers, plant villi and other natural elastic material as a filler, outside with velvet, embroidery and other fabrics masked to form a soft body contact surface. Farthingle chairs, popular in Europe, were one of the earliest sofa chairs. Review of China's sofa history, to devaluation of the Han Dynasty "jade". "Xijing Miscellanies" depicted in the thick layer of fabric with a "jade", can be seen as the Chinese sofa "ancestors."

Sofa Filler

Sofa There are three kinds of stuffing for the sofa:

A, soft polyurethane foam (commonly known as sponge): for the sofa filled sponge is divided into three categories: conventional sponge is a conventional polyether and TDI as the main body of the sponge. It is characterized by good resilience, softness and permeability. The high resilience sponge is a kind of sponge with active polyphosphate and TDI as the main body, which has excellent mechanical properties and good elasticity. Compression load, fire resistance, good permeability; chaotic sponge is a kind of internal bore by the size of the natural algae similar to a sponge, which is characterized by good elasticity, compression, rebound with excellent cushioning.

B, feather filling: feather to do sofa stuffing, sitting comfort, long-term use of small deformation, the disadvantage is slow rebound, the cost is high. Generally used in high-level sofa with the sponge, or suitable for use as a cushion.

C, artificial cotton filler: artificial cotton do sofa stuffing, excellent soft, sitting comfort, but poor mechanical properties, compression load is small, should only do cushion. Selection of the filling of the sofa: Depending on the type of filler, there is a big difference in use.

Under normal circumstances, fabric cushion cushion should be used 30 kg / cubic meters of high resilience sponge is more appropriate in the form of most of the way to fill the whole sponge, the best form is to use more than 30 kg / cubic meter High resilience sponge and chaos sponge with feather or artificial cotton superimposed combination to increase comfort and service life. When you choose to ask the type of filler, if the filler is a sponge to understand the density of the use of sponge, with gravity feel the cushion of the rebound effect, sitting comfort feeling sitting and so on.

General with sponge cushion, the national standard 25KG / M3, the international standard 35KG / M3. The structure of the bottom structure is superior to the bandage structure. The high-quality bandage is better than the low-quality bandage structure. After a long time, it can recover quickly and restore the original, no deformation and no collapse.

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