ASTM D2266

Four-Ball Automatic Test Machine

[su_note note_color=”#e3e3e1″] Standard test methods: ASTM D2266 Wear Preventive Characteristics of Lubricating Grease (Four-Ball Method) ASTM D4172 Wear Preventive Characteristics of Lubricating Fluid (Four-Ball Method) DIN 51350-1 Testing of lubricants – Testing in the four-ball tester [/su_note] The Four Ball…