Bonjour
I look for formula to make poyurethan foam to fill empty spaces in boat hull
I remember many years ago ,friend do it with polyester resine and an additive ,I don t remember what
In advance I thank you

Salut Claude! C'est un plaisir de faire ta conaissance. :)

Here are a couple of links that offer a little more information on the synthesis of polyurethane foam.

http://jchemed.chem.wisc.edu/JCESoft/CCA/CCA5/MAIN/1ORGANIC/ORG16/POLYFOAM/THUMBS.HTM

http://en.wikipedia.org/wiki/Polyurethane

Merci beaucoup Rudi
Your answer is very helpful and links I just watch, open my mind to a lot of other utilisation
It s the first time I use this forum and it s a good surprise to get a so fast answer
Thanks a lot . Merci beaucoup Rudi