PYREX® borosilicate glass, plastic coated, clear, with glass stoppers.

• Resistant to thermal shock
• Strength increased through machine-blown bodies
• Sharp graduation line and permanent and large white block letters make the inscription easy to read

These flasks features a protective PVC coating for safety and long life, and it prevents glass from shattering and reduces spills.

Can be written on with any standard lab marker, permanent or water-soluble. Supplied with [ST] PYREX® stopper. It allows for a better hand grip and clamp hold.

Coating is autoclavable to 121°C (250°F). Do not heat above 121°C (250°F) moist heat or 110°C (230°F) dry heat.