Premium borosilicate 3.3 construction – Manufactured from high-quality Borosilicate 3.3 glass, offering exceptional thermal resistance, chemical durability, and long-term reliability in laboratory workflows involving repeated heating and cooling cycles.
Amber-tinted protection for light-sensitive samples – The amber-colored glass provides superior shielding against UV and visible-light exposure, making these tubes ideal for storing and culturing photosensitive reagents, biological samples, and pharmaceutical compounds.
Secure screw-thread seal with Teflon liner – Equipped with a precision-engineered screw thread and a Teflon-lined cap, delivering a tight, contamination-resistant, and leak-proof seal that prevents evaporation and spillage, even during vigorous shaking or transportation.