10mm Threaded 4/5-Window Quartz Cuvette EU Export Grade, Fusion & Optical Glue Bonding, Round/Flat Bottom, 1/2 Pcs Pack Fluorescence Cell

This collection covers all threaded 10mm multi-window quartz cuvettes for fluorescence testing, including 4-window mainstream models and special low-profile 5-window single piece version. Craft options include high-temperature fusion bonding and EU standard optical glue bonding, with internal thread, general threaded export styles to choose. Bottom designs are divided into round bottom and flat bottom to match different instrument holders. Most models are packed as 2 pieces per set, while the low-profile 5-window cuvette is sold singly. All EU export threaded cuvettes adopt tight thread sealing design to prevent liquid volatilization and leakage, high quartz light transmittance, acid & alkali resistant, compliant with EU laboratory inspection standards. Widely applied in biochemistry, fluorescence quantitative analysis, pharmaceutical detection and research laboratories.