ARL 66-0029 • • HYDROSTATIC TENSILE FRACTURE OF A POLYURETHANE ELASTOMER GERALD H. LINDSEY CALIFORNIA INSTITUTE OF TECHNOLOGY PASADENA, CALIFORNIA FEBRUARY 1966 Contract AF 33(615)-2217 Project 7063 AEROSPACE RESEARCH LABORATORIES OFFICE OF AEROSPACE RESEARCH UNITED STATES AIR FORCE WRIGHT-PATTERSON AIR FORCE BASE, OHIO