Friction Reduction Capabilities of Silicate Compounds Used in an Engine Lubricant on Worn Surfaces

Table 2

Test matrix of the experiment.

Test number	Duration in min	Type of balls	Engine lubricants
1	60	New	Oil A
2	60	New	Oil A1
3	120	New	Oil A
4	120	New	Oil A1
5a	60	New	Oil A
5b	75	Balls used in test 5a	Oil A1