... ,61.8mm,101mm, 35mm,50mm,70mm,100mm 1.triaxial membrane 2.rubber membrane Diameter:39.1mm,61.8mm,101mm, 35mm,50mm,70mm ... ,100mm rubber membranetriaxial membrane: we can supply Rubber Membrane meeting BS and ASTM standard. all kinds of ... rubber membrane for triaxial test.such as:Diameter:39.1mm,61.8mm, ...