CynKen 10pcs 12x75mm Pyrex Glass Blowing Tubes Wall Test Tube

Specifications:

Material: Pyrex Glass
Outside diameter:12mm
Length :75mm

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 Includes :
10pcs x Tubes