The introduction of mattress foam mattress foam mattress is chemical products, also known as polyurethane foam.
Is all material inside the cheapest price, but a price points a points goods, its are generally supportive and joint degree, environmental protection is bad, will have a great disadvantage of foam.
But due to the nature of sponge foam class, anti-jamming is strong.
Memory is the high-end product in foam mattress, cotton prices are much higher, but in essence is polyurethane foam, the memory of cotton additives to change its physical properties, make it has the characteristics of slow rebound.
What is memory?
On the memory of cotton by hand pressure, let go when they leave a maintain several seconds of fingerprints, this is the slow rebound.
Because of its characteristics, slow rebound memory cotton weak supporting, and will make no sense of force.
Memory cotton is one of the highest degree of material joint, can give the body comfortable and appropriate touch.
Memory cotton's biggest disadvantage is the difference in permeability, due to a very compact, prone to overheating in sleep.
