UNIVERSAL FOURBALL آلة الاختبار
UNIVERSAL FOURBALL TESTING MACHINE is used for testing extreme pressure wear Preventive characteristics of lubricating oils, greases, evaluation of cutting fluids and polymer containing oils. Imperial FourBall Machines designed to perform tests as per the following International Standards ASTM D2596, ASTM D2783, ASTM D2266, ASTM D4172, FTMS, IP 239, زائر 949077, DIN .