JJG(交通) 172-2021 《Vacuum Capillary Viscometer of Asphalts》 Related products

"JJG (Transportation) 172-2021 Asphalt vacuum decompression capillary tubing Viscosimeter" is a Measurement verification procedure issued by the Ministry of Transportation and implemented on December 1, 2021. The procedure is applicable to the first verification, follow-up verification and in-use inspection of asphalt vacuum decompression capillary tubing Viscosimeter. Its main contents include: Measurement performance requirements such as chronograph spacing of vacuum decompression capillary tubing Viscosity meter, thermostatic and temperature of temperature measuring device, vacuum degree of vacuum decompression device, duration of timing device and viscosity MPE. The regulations also specify the verification conditions, verification items, methods of verification, result processing and verification cycle and other technical details. By standardizing the verification process of the instrument, the accuracy and Reliability of asphalt viscosity measurement are ensured, which provides an important basis for highway engineering quality control.