Bromobutyl rubber stopper for GL45 bottle 108321-42-2 Made from multi-layer laminated foil

Made from multi-layer laminated foil

The element usually combines with other elements such as oxygen

including water loss or freezing temperatures

Compared to octylglucoside

Bromobutyl rubber stopper for GL45 bottle 108321-42-2 Made from multi-layer laminated foilMade of bromobutyl rubber. Can be used with most laboratory glass bottles with a GL 45 thread. Can additionally be secured with a screw cap with hole (recommended only for non pressurised applications). Low permeability for air, gases and moisture. Top side has seven numbered semi circular depressions to be pierced with tubes, good self sealing characteristics when pierced repeatedly. Temperature stable from 50 to +121 C. Pack of 10