Labware and Lab Supplies Products & Reviews

These 90mm PYREX® capillary melting point tubes are made from No. 7740 glass and have only one end open. All tubes have a 0.2-0.25mm wall range.

Brand: PYREX® Tube Style: Thiele melting point Tube Shape: Cylindrical

Brand: PYREX® Tube Style: Thiele melting point Tube Shape: Cylindrical

Brand: PYREX®

These PYREX® 100 mL Weathering test tubes are graduated upward to 0.5 mL in divisions of 0.05 mL, from 0.5 mL to 3 mL in 0.1 mL divisions, from 3 mL to 5 mL in 0.5 mL divisions and from 5 mL to 100 mL in 1 mL divisions. Made with a 3mm vent hole located 180° from the front of the tube. Tubes are designed for testing propane, butane and isobutane mixtures. Reference: Specifications TS-441-3, ASTM D-1837, ASTM D-2158.

These PYREX® 3 mL test tubes are made from special tubing to give the optimum wall thickness. They are well annealed, resistant to heat and chemically stable. These 10x75mm tubes have a white marking spot. Beaded rims are fire-polished.

These PYREX® 5 mL test tubes are made from special tubing to give the optimum wall thickness. They are well annealed, resistant to heat and chemically stable. These 12x75mm tubes have a white marking spot. Beaded rims are fire-polished.

These PYREX® 9 mL test tubes are made from special tubing to give the optimum wall thickness. They are well annealed, resistant to heat and chemically stable. These 13x100mm tubes have a white marking spot. Beaded rims are fire-polished.

These PYREX® 20 mL test tubes are made from special tubing to give the optimum wall thickness. They are well annealed, resistant to heat and chemically stable. These 16x150mm tubes have a white marking spot. Beaded rims are fire-polished.

These PYREX® 27 mL test tubes are made from special tubing to give the optimum wall thickness. They are well annealed, resistant to heat and chemically stable. These 18x150mm tubes have a white marking spot. Beaded rims are fire-polished.

These PYREX® 34 mL test tubes are made from special tubing to give the optimum wall thickness. They are well annealed, resistant to heat and chemically stable. These 20x150mm tubes have a white marking spot. Beaded rims are fire-polished.

These PYREX® 55 mL test tubes are made from special tubing to give the optimum wall thickness. They are well annealed, resistant to heat and chemically stable. These 25x150mm tubes have a white marking spot. Beaded rims are fire-polished.

These PYREX® 70 mL test tubes are made from special tubing to give the optimum wall thickness. They are well annealed, resistant to heat and chemically stable. These 25x200mm tubes have a white marking spot. Beaded rims are fire-polished.

These reusable PYREX® 3 mL rimless culture tubes offer greater convenience in plugging and rack storage. These approximately 10x75mm (OD x length) tubes have marking spots. Walls and bottoms are of uniform thickness. Ends are fire-polished.

These reusable PYREX® 50 mL rimless culture tubes offer greater convenience in plugging and rack storage. These approximately 22x175mm (OD x length) tubes have marking spots. Walls and bottoms are of uniform thickness. Ends are fire-polished.

These 34 mL PYREX® culture tubes are supplied with deep-form 18-415 GPI threaded phenolic caps to facilitate handling and sealing after autoclaving. Caps are fabricated from a special formula resistant to the effects of temperature and steam in autoclaving and are provided with a glued-in, white rubber liner. The white enamel marking spot gives an excellent surface for pencil notations. Pencil marks are easily erased. For repl…

These 34 mL PYREX® culture tubes are supplied with deep-form 18-415 GPI threaded phenolic caps to facilitate handling and sealing after autoclaving. Caps are fabricated from a special formula resistant to the effects of temperature and steam in autoclaving and are provided with a Polytetrafluorethylene (PTFE) interface firmly bonded to the glued-in rubber liner, providing a sure and highly inert sealing face. The white enamel…

These 39 mL PYREX® flat bottom reusable culture tubes are ideal for plant tissue culture and general culture work. The flat bottom facilitates use with agar slants. Walls and bottoms are of uniform thickness. The tubes are rimless for greater convenience in plugging and rack storage. Optional polypropylene two position closures (Nos. 26794-25 or 26795-25) can be opened for gas exchange or closed for humidified environment. Int…

These 59 mL PYREX® flat bottom reusable culture tubes are ideal for plant tissue culture and general culture work. The flat bottom facilitates use with agar slants. Walls and bottoms are of uniform thickness. The tubes are rimless for greater convenience in plugging and rack storage. Optional polypropylene two position closures (Nos. 26794-25 or 26795-25) can be opened for gas exchange or closed for humidified environment. Int…

These 14x100mm PYREX® ignition tubes are made from No. 7740 glass and are satisfactory for most applications encountered in school work where temperatures above 600°C are not required. These rimless tubes perform well when continually used at temperatures up to 500°C, or for short periods to 600°C.

These 16x125mm PYREX® ignition tubes are made from No. 7740 glass and are satisfactory for most applications encountered in school work where temperatures above 600°C are not required. These rimless tubes perform well when continually used at temperatures up to 500°C, or for short periods to 600°C.

This Conical Reaction Vial is a replacement part for the 6949M series of PYREX® microchemistry kits.

This Cap is a replacement part for 0.1 mL Vial for the 6949M series of PYREX® microchemistry kits.

This O-Ring is a replacement part for the 6949M series of PYREX® microchemistry kits.

This Polytetrafluorethylene (PTFE) Silicone Septa is a replacement part for the 6949M series of PYREX® microchemistry kits.