JJF (Petrochemical) 007-2018 "Pencil hardness tester calibrating specification" is a technical specification issued by the Ministry of Industry and Information Technology of China. It was released on April 30, 2018 and implemented on July 1 of the same year. The specification specifies in detail the calibrating conditions, items, methods and results of Pencil hardness testers, which are suitable for Pencil hardness testers that comply with GB/T 6739-2006 and ISO 15184:2012 standards. The main content includes test principle, instrument structure, Measurement characteristics, etc., to ensure the accuracy and Reliability of hardness gauge.
| Status | Active |
|---|---|
| CCS | (N) 仪器、仪表 | ICS |
| Release Date | 2018-04-30 00:00:00 | Implementation Date | 2018-07-01 00:00:00 |