Preventing Foam-Related Issues with the Metalworking Fluid Anti‑Foaming TesterIntroductionMetalworking fluids (MWF) are prone to foam generation during high‑speed machining, which impairs lubrication and heat removal. The Metalworking Fluid Anti‑Foaming Tester from Changsha Friend Experimental Analy

Hydraulic systems demand exceptional fluid cleanliness to avoid component wear and system downtime. The Auto Hydraulic Fluid Cleanliness Tester from Changsha Friend Experimental Analysis Instrument Co., Ltd. streamlines ISO 4406 particle counting and entrained air measurement with full automation for sample handling and reporting.

Polyvinyl chloride (PVC) and polyethylene materials must withstand thermal stress during processing and end‑use. The Polyethylene (PVC) Thermal Stability Tester from Changsha Friend Experimental Analysis Instrument Co., Ltd. assesses heat‑ageing resistance by measuring color change, HCl evolution, and molecular‑weight alteration under accelerated conditions.

Precise Elemental Analysis with the Automatic Nitrogen Content TesterIntroductionNitrogen determination is critical in applications ranging from fuel quality (NOₓ precursor control) to protein analysis in food and feed. The Automatic Nitrogen Content Tester from Changsha Friend Experimental Analysis

As the global demand for renewable energy grows, biodiesel blends containing fatty acid methyl esters (FAME) have become a mainstay in diesel engine fuel. Precise determination of FAME content is essential for regulatory compliance, engine performance, and emission control. The Diesel Fatty Acid Methyl Ester Content Analyzer from Changsha Friend Experimental Analysis Instrument Co., Ltd. provides rapid, accurate measurement of FAME percentage in diesel blends.