BRAND Ground Cone Stopper NS 12/21 is crafted from durable Boro 3.3 borosilicate glass, designed for optimal chemical resistance and thermal stability. With a precision-ground surface and brown finish, this stopper ensures a tight, reliable seal for laboratory glassware with standard NS 12/21 joints, making it an essential accessory for scientific and industrial laboratories.
BRAND Ground Cone Stopper NS 12/21 offers a dependable, high-quality solution for sealing laboratory glassware in demanding research and chemical environments.
BRAND Ground Cone Stopper NS 12/21 is crafted from durable Boro 3.3 borosilicate glass, designed for optimal chemical resistance and thermal stability. With a precision-ground surface and brown finish, this stopper ensures a tight, reliable seal for laboratory glassware with standard NS 12/21 joints, making it an essential accessory for scientific and industrial laboratories.
Yes. It is designed for sealing flasks, condensers, and labware with NS 12/21 ground joints, and offers NS 12/21 and ground, brown-tinted for added chemical durability to support this kind of work.
It has NS 12/21 and ground, brown-tinted for added chemical durability.
It is made from boro 3.3 borosilicate glass.
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