This part specifies the equipment and materials for dry film lubricant film appearance testing, sample preparation, test procedures, test results and processing, etc. This section is applicable to the inspection of the appearance of dry film lubricant films.
HB 7056.1-2004 history
2004HB 7056.1-2004 Test methods of solid film lubricants-Part 1:Test method for film appearance of solid film lubricants
1994HB 7056-1994 Appearance test method of film layer of dry film lubricant