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introduction of sofa Chair

Source: | Updated: Oct 31, 2018

The origin of the sofa dates back to ancient egypt around 2000 bc, but the true soft-cloth sofa appeared in the late sixteenth to early seventeenth centuries. At that time, the sofa mainly used natural elastic materials such as horsehair, bird feathers and plant fluff as fillers, and the outside was covered with fabrics such as velvet and embroidery to form a soft human contact surface.


There are three main types of sofa chair filling:

Soft polyurethane foam: Sponges for sofa filling are mainly divided into three categories: Conventional sponges are sponges made from conventional polyether and tdi. It is characterized by good resilience, softness and breathability. The high resilience sponge is a sponge made of active polyphosphorus and tdi. It has excellent mechanical properties and good elasticity. The compression load is large, the flame resistance and the gas permeability are good; the chaotic sponge is a kind of sponge whose inner hole is similar to natural seaweed of different sizes, and is characterized by good elasticity, excellent cushioning property in compression and rebound.


Down filling: Down is made of sofa padding, comfortable sitting and small deformation for long-term use. The disadvantage is slow rebound and high cost. Generally used in high-grade sofas with sponges, or suitable for cushions.


Artificial cotton padding: Artificial cotton padding, softness, comfortable sitting, but poor mechanical properties, small compression load, only suitable for cushions. The choice of the filling of the sofa: Depending on the type of filling, there is a big difference in use. Under normal circumstances, the cushion padding of fabric sofas should be more suitable for high resilience sponges of 30 kg/m3 or more. In the form, most of them are filled with a whole sponge. The best form is 30 kg/m3 or more. High resilience sponges and chaotic sponges combined with down or rayon overlays add comfort and longevity. When selecting, ask about the type of filler. If the filler is a sponge, you should know the density of the sponge used, use the gravity to feel the rebound effect of the cushion, and sit on the comfort of sitting feeling.

Sofa Chair


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