ASTM Committee D-30 on High Modulus Fubers abd Their Composites ASTM Committee D-30 on High Modulus Fibers and Their Composites. ASTM Committee D-30 on High Modulus Fibers and Their Composites.- sponsored by ASTM Committees D-30 on High Modulus Fibers and Their Composites and E-9 on Fatigue. Analysis of the test methods for high modulus fibers and composites : ASTM Committee D-30 on High Modulus Fubers abd Their Composites, ASTM Committee E-24 on Fracture Testing