High quality glass test tubes with bakelite screw cap and rubber liner for general laboratory use.

• Made from high quality Borosilicate 3.3 glass
• Autoclavable
• Superior chemical durability
• Low temperature gradient- can withstand direct flame, high temperatures and thermal shocks

Eisco Labs Borosilicate glass has the following heat tolerances: strain point –515 °C; annealing point 565 °C; softening point 820 °C. They manufacture their own products using state-of-the-art equipment, and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments.