Labware and Lab Supplies Products & Reviews

This Craig Recrystallization Tube is a replacement part for the 6949M series of PYREX® microchemistry kits.

This Craig Receiver Tube is a replacement part for the 6949M series of PYREX® microchemistry kits.

This Craig Recrystallization Tube is a replacement part for the 6949M series of PYREX® microchemistry kits.

This Craig Receiver Tube is a replacement part for the 6949M series of PYREX® microchemistry kits.

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

Brand: PYREX®

These 24mm inner diameter PYREX® filter tubes have an 8mm. O.D. by 75mm long constricted lower end. They can be used on the bottom end of 30mm O.D. PYREX® Gooch Low Form fritted disc crucibles (No. 32960) to collect the filtrate. Also for use with porcelain plates.

These 27mm inner diameter PYREX® filter tubes have an 8mm. O.D. by 75mm long constricted lower end. They can be used on the bottom end of 30mm O.D. PYREX® Gooch Low Form fritted disc crucibles (No. 32960) to collect the filtrate. Also for use with porcelain plates.

These 32mm inner diameter PYREX® filter tubes have an 8mm. O.D. by 75mm long constricted lower end. They can be used on the bottom end of 30mm O.D. PYREX® Gooch Low Form fritted disc crucibles (No. 32960) to collect the filtrate. Also for use with porcelain plates.

These 36mm inner diameter PYREX® filter tubes have an 8mm. O.D. by 75mm long constricted lower end. They can be used on the bottom end of 30mm O.D. PYREX® Gooch Low Form fritted disc crucibles (No. 32960) to collect the filtrate. Also for use with porcelain plates.

These 42mm inner diameter PYREX® filter tubes have an 8mm. O.D. by 75mm long constricted lower end. They can be used on the bottom end of 30mm O.D. PYREX® Gooch Low Form fritted disc crucibles (No. 32960) to collect the filtrate. Also for use with porcelain plates.

These 100mm PYREX® capillary melting point tubes are made from No. 7740 glass and have both ends open. All tubes have a 0.2-0.25mm wall range.

These 100mm PYREX® capillary melting point tubes are made from No. 7740 glass and have both ends open. All tubes have a 0.2-0.25mm wall range.

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® 14 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 15x125mm 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.