Viscosity Tubes - TIME - TEST VISCOSITY TUBES, 10.65mm (ASTM-D-1545)

Time-Test Viscosity Tubes are frequently referred to as ASTM D-1545 Tubes, which originated from the adopted standard method of test for viscosity as described in ASTM D-1545* issued by the American Society for Testing and Materials. Time-Test Tubes are scored in three places, 27mm, 100mm and 108mm. The score mark at 27mm is used for a 73mm timed bubble travel. Time-Test Viscosity Tubes are also subjected to additional testing procedures to ascertain the 10.65mm bore which is very critical for precision measuring.

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