摘要 |
Semi-preg material is disclosed adapted for use in composite material comprising
a) a first resin layer,
b) covered on both side by layers of fibrous reinforecements whereby
c) one of the two fabric layers is coated with a second resin layer and
d) wherein said second resin layer has a tack level of not more than 100 N. Such semi-preg material has improved handling properties and contributes to the superior mechanical properties of the composite material formed therewith. |