Description
Test Tubes Stoppered, Graduated with Hexagonal Hollow Stopper are manufactured from premium borosilicate glass for exceptional chemical resistance, thermal durability, and accurate liquid measurement. The permanently engraved graduation markings provide easy volume estimation, while the precision-ground hexagonal hollow glass stopper offers a secure, airtight seal to protect samples from contamination, evaporation, and moisture. The ergonomic hexagonal stopper design ensures convenient handling and reliable sealing during laboratory operations.
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