"Dessus de bouchon"

Intermediate hardness and melting point.

Borosilicate glass capillary melting tubes are 4" in length and have a 0.05" outer diameter capillary tubes that are particularly useful for determining the melting point of various substances.

Quality glassware at an affordable price.

Quality glassware at an affordable price.

These PYREX® borosilicate glass melting point tubes are cylindrical with a round bottom, wide mouth and beaded rim.

For determining the melting point of organic compounds.

These culture tubes are made of high-quality borosilicate glass.

Tubes have a marking spot and reference mark for orientation during use and a threaded neck to accept screw cap.

Test tubes are made from KG-33 glass tubing and feature a sturdy lip and uniform wall thickness for maximum heat transfer and chemical resistance.

These premium quality tubes feature sturdy, uniform bottoms and consistent lengths. The 10 x 75 and 12 x 75 mm sizes are suitable for cell washing procedures.

These 15 ml PYREX® culture tubes are supplied with deep-form 15-415 GPI threaded phenolic caps to facilitate handling and sealing after autoclaving.

Culture tubes are constructed of KIMAX-51® borosilicate glass for excellent chemical durability and resistance against sodium leaching.

Made from quality flint glass with tapered ends for secure fitting of rubber stoppers or corks.

Made of borosilicate glass to reduce pH changes and contaminants potentially leached from soda-lime glass.

Culture tube caps are made of polypropylene.

Made of PYREX® borosilicate glass, rimless.