General and Power Oil Analysis Instrument Published by Changsha Friend Experimental Analysis Instrument Co., Ltd. General-purpose oils (hydraulic fluids, gear oils) and power-generation oils (turbine, transformer fluids) require periodic analysis to monitor oxidation, contamination, and ad

Analysis Instrument for Antifreeze Testing Published by Changsha Friend Experimental Analysis Instrument Co., Ltd. As vehicles evolve with hybrid and electric powertrains, coolant formulations face new thermal and chemical demands.

Analysis Instrument for Asphalt TestingPublished by Changsha Friend Experimental Analysis Instrument Co., Ltd.IntroductionBeyond basic binder properties, advanced asphalt testing—dynamic shear rheometry (DSR), multiple stress creep recovery (MSCR), and fatigue testing—provides deeper insights into p

Asphalt Analysis Instrument manufacturer Published by Changsha Friend Experimental Analysis Instrument Co., Ltd. The durability and safety of paved surfaces depend on asphalt binder properties such as viscosity, penetration, softening point, and ductility. The Asphalt Analysis Instrument c

Engine cooling systems rely on advanced coolant blends to transfer heat, inhibit corrosion, and maintain system integrity. The Coolant Analysis Instrument delivers a package of standardized tests—boil point, freeze point, inhibitor levels, and deposit evaluation—to support both preventative maintenance and product development.