Comparison of P.U. foam, Latex and Condensed polyester
P.U. Foam is made of chemicals. but it is mostly used and can be funtional.
for example, there is memory foam which provide wonderful feeling when you sleep on it.
Latex Foam is made of nature rubber, which has very little harm to human body.
Condensed Polyester is made of polyester fibre. it becomes more and more popular to be a upholstery layer as it is healthier than P.U.foam. and it povide same feeling as common foam but has a cheaper in price.