The Heating Aging of Latex Catheter
LIU Wei 1,DAI Hong 2,ZHANG Lian-xia 3,XU Huan-chun 1(1. Shandong Medical Instrument Institute, Jinan 250100 China;2. Shandong Pesticide Institute, Jinan 250100;3 Shandong Provincial Hospital, Jinan 250021)
The physical mechanical property of latex catheter was studied by the demolishing experiment after heat air aging.All properties was decreased quickly. The pressure of demolishing decreased 16.5% after 144h,and the tensile strain decreased 8.65%.