Hexcel has more than 20 years experience in heavyweight glass prepreg and 15 years of experience in serial material delivery for composite leaf springs (e.g. Renault Master).
HexPly® M901 prepreg was developed for leaf springs, offering a cure time of less than 15 minutes, 15% higher mechanical performance than standard prepregs, and enhanced fatigue properties. HexPly® M901 provides a Tg of up to 200°C, following post-cure. Unidirectional glass materials are available in areal weights up to 1,600 gsm.