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Memory cotton pillow how to choose?

NEWSTIME:2017-07-04

Memory pillow, also known as space memory pillow, zero pressure memory pillow, slow rebound sponge pillow and so on.

Polyether polyurethane developed by the US Space Agency to resolve the pressure of the astronauts, and then gradually used in the medical, civilian products, especially the pillow made of this material, with viscoelastic characteristics, with the head and neck position Of the change, automatic deformation, at any time to keep tight fit with the neck position, in particular, can fix the head, do not let the head down caused by "pillow."

Currently available on the market can find a variety of polyurethane materials production pillow, the price is also very different, many consumers complained after the purchase of pillows do not rebound, take no texture in the hand, with the weather temperature changes pillow also become too hard or too soft Wait. In fact, the high-end slow rebound material pillow, in its use of raw materials, production processes and formulations are still a lot of the general manufacturers difficult to achieve the link.

Consumers can from the following aspects to identify high-end slow rebound material:

A: density: density is the basic indicators of high-end slow rebound material, the general molding process polyurethane density can do 70-100, cutting process can be done 40-70, if beyond this range may be false. There is a density of 130-150 above the market, which is almost unrealistic for pure material polyurethane manufacturers, the only possibility is to add other things, such as than the polyurethane than the major, such as talc powder and so on. From a professional polyurethane sponge technician's point of view, the 110-density pure material polyurethane is also possible, the other does not exist the possibility. In addition, even the same density of the product will be very different, mainly formula, process and raw materials caused by different, that is high-end slow rebound material must be high density, but only high-density is not necessarily high-grade material ;

Second: rebound time: Many consumers think that the longer the rebound is the better, this is a misunderstanding. Better rebound time is 3 - 5 seconds or so. Too short to play a slow rebound effect; too long will make the body stiff;

Three: manufacturing process: slow rebound of the manufacturing process there are two: cutting and molding. Cutting is to buy the finished product slow rebound sponge, cut into the pillow look, because the molding is by cutting rather than mold + additives, do not add other additives so even the density of pure material polyurethane can only do 40-70 density. The mold is made by adding auxiliaries, foaming, mold pressing and the like, and since the other additives are added, including foaming and softening, the density is increased by about 70 to 100, Feel good.

Four: feel and temperature sensor: high-end slow rebound sponge feel very comfortable, pinch up like the feeling of kneading dough, at the same time, this high-end slow rebound there is a good temperature sensor, will change with the temperature and soft , Hand put on the pressure can not see the fingerprints;

5: life: polyurethane memory cotton pillow mainly and whether the pure material polyurethane, if it is pure material of polyurethane, should be more than 5 years will not be deformed, but if it is to increase the density and weight of talcum powder and other raw materials, pillow quality Poor, usually only use 1 - 2 years time.