cheap silver aluminium caps 75 x 22.5mm headspace vial rounded bottom crimp
VIALKY – Pragolab
20ml Headspace-Vial, 75.5 x 22.5mm, clear glass, 1st hydrolytic class, DIN Crimp Neck, long neck, rounded bottom UltraClean Closure: 20mm Aluminium Cap, plain, centre hole; Silicone transparent blue/PTFE white, 45 shore A, 3.0mm 20mm Combination
Autosampler Vials,Headspace Vials,Chromatography Vials,Laboratory Vials-Aijiren Vials for HPLC/GC – 18mm Screw Top Clear Glass GC Vials
The optional capacity is 10ml 20ml, the specifications are: 22.5*46mm, 22.5*75.5mm, ...