The structure of formaldehyde is Now the structure of polyurethane is as below, which repeats MANY times in a long chain. Now to get formaldehyde out of this polymer, you must break it at a specific part. read more
While polyurethane foam without flame retardants is certainly safer, I cannot recommend polyurethane foam of any type because there are other chemicals in the polyurethane foam. There are just a lot of red flags for me in your description. read more