Dear customers and partners of EMIN. We would like to respectfully announce the 2025 New Year holiday schedule as follows:-
- Vacation period starts: from Wednesday, January 1, 2025 (1 day)
- Return to work time: Thursday, January 2, 2025, EMIN returns to normal work
Wishing our customers, partners and all employees a happy new year: AN KHANG THINH PROSPERITY - EVERYTHING IS AS YOU WANT!
Thank you very much!
What is ASTM Type I, II, and III distilled water? Learn about the differences in purity, conductivity, resistivity, and applications of each grade of water used in laboratories, testing, research, and production.
What is the HRC hardness of heat-treated steel? Learn about the hardness of S45C, SCM440, and SKD11, how to evaluate HRC measurement rsults, and the reasons why steel may achieve incorrect hardness after heat treatment.
Rockwell, Brinell, and Vickers are three of the most common hardness testing methods currently used. Learn about the differences in measurement principles, application ranges, and how to choose the right method for each type of material.
HRC, HRB, and HRA all belong to the Rockwell hardness system but are applied to different material groups. Understanding the differences between HRC, HRB, and HRA helps in selecting the correct testing method, accurately reading specifications, and avoiding unnecessary errors in material quality assessment.
Understanding the difference between dBm and dB helps ensure optical measurement data is interpreted consistently and prevents incorrect conclusions during system acceptance testing or maintenance.
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