Utile Erlenmeyer Flasks, 5 Size of Narrow Mouth Conical Flask, Borosilicate 3.3 Glass Flasks with Printed Graduation, Vol. 50ml 150ml 250ml 500ml and($32.99Value)

Description

3 kinds of Capacity: 3 sizes of lab glass Erlenmeyer conical flasks, Vol. 50ml 150ml 250ml 500ml and 1000m. Industrial Strength: These flasks are made of 3.3 Borosilicate glass material, uniform wall thickness, high quality and heavy duty. Conical Type and Narrow Mouth: These flasks are narrow mouth in conical type, with printed graduation and extra large marking spot. Good Heat and Chemical Durability: These flasks will withstand repeated standard autoclave cycles of 121°C at 15 psi for 5 minutes, they are designed for heating by hot plate, flame, oven, microwave or heating mantle. Designed for use in professional laboratories, also ideal for classroom and home daily use. Tips: Please understand that the glassware are fragile, so please do not hesitate to contact us for refund if you receive products cracked during transit, your feedback and suggestion are valuable for us.

These glass flasks are made of 3.3 Borosilicate material, they are designed with heavy duty rims to reduce chipping. Their uniform wall thickness provides the proper balance between mechanical strength and thermal shock resistance.

Not suggest for accurate measuring. The graduation is for your reference.
Make sure the water on the outer wall of the flask wiped clean before heating the beaker.
Recommend not exceeding 2/3 of the volume of the flask when the liquid is heated.
The glass rod must not touch bottom or wall of the flask when dissolving substance, otherwise, the flask may be cracked during stirring.

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