| abstract |
The invention relates to a resin composition comprising, an unsaturated polyester, a monomer that is copolymerizable with the unsaturated polyester, optionally an anti-shrinkage component, reinforcing fibers and fillers, and is characterized in that the unsaturated polyester has an acid number of less 18 mg KOH / g and is a combination of a standard unsaturated polyester that has an acid number of more than 13 mg KOH / g and a modified unsaturated polyester that has an acid number of less than 13 mg KOH / g, the acid number being measured according to SO 3682. |