5pcs Pyrex Glass Blowing Tubes Laboratory Test Tube 200mm

Specification:
Material: Pyrex Glass
Outside diameter:30mm
Inside diameter:28mm
Length :300mm
Thick Wall:3mm

Feature:
Durable in use.
Fire polished ends on Both Sides.
Used as the reaction vessel in a small amount of reagent and used in room temperature or heat.
The Pyrex Glass has low thermal expansion coefficient that is about a third of ordinary glass.
Resistant to high temperatures(About up to 200 degrees)

Package Included :
5 x Tubes