Porous discs for use in fabrication of special glass apparatus. Available in F, M, C and XC porosities. Pressure Limits: Fritted glassware is designed for low pressure vacuum filtration or gas flow. The MAX differential pressure should not exceed 15 PSI. Thermal Limits: Fritted glassware…

For enlarging the size of Standard Taper glass joints. Outer joint is at the top, inner at the bottom Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type 1 and ASTM E438, Type 1, Class A requirements

Borosilicate Glass with Fire Polished Ends

One piece stainless steel KF25/NW25 to 3/8" hose barb adapter for secure vacuum connection. Compatible with the Ai 2.5, 7.2 cfm and Welch 2.3 cfm vacuum pumps, offered by Across International.,/p>

The 75º angle drying tube is for use in fume hoods where space is at a minimum. Supplied complete with rubber stopper, glass inlet tube, and a lower inner joint.

3 to 6 mm in diameter Diameter tolerance is ±0.75 mm PYREX solid glass beads are useful for packing in distillation columns, mixing beads and boiling stones. Beads are packaged in 0.45 kg (1 lb) boxes, which have a packing volume of approximately 360 cm 3 or 22 cubic inches.

Vigreux distilling column with indentations over the entire length for improved vapor-liquid contact. KIMAX® column has a Standard Taper outer joint at the top and a Standard Taper inner joint at the bottom Manufactured from 33 expansion, low extractable borosilicate glass conforming…

Reservoirs used for storing high performance, low pressure liquid chromatography mobile phase. Complete reservoir system includes a plastic coated graduated bottle, a standard cap assembly, and solvent and sparging filters. Cap assembly fits GL45 threaded bottles and has a PTFE bulkhead with three…

Across International PTFE sealing sleeve for air tight vacuum operation. Designed with higher and lower bumps to enhance sealing. No-lip top allows you to put on your keck clip securely. This sleeve will increase vacuum level on your glassware setup, allowing you to achieve better results.

For easy separation of water from reaction or distillation system.

Hollow fritted cylinder at the end of an 8mm O.D. tube. Cylinder is approximately 12mm O.D. x 20mm long. Overall length is approximately 10 inches.

Solvent Still Head Capacity: 500 and 1000mL available Top Joint: 24/40 Bottom Joint: 24/40 Side Joint: 14/20

Porous fused quartz discs. Porosity sizes are as listed and differ from porosities of borosilicate discs.

Design permits the cleaning of four NMR tubes at the same time. With solvent in the reservoir, rapid suction wets the inside of the NMR tube dislodging the contamination. An acetone wash followed by an air stream dries the tube in seconds. Rate of cleaning is approximately 4 tubes per minute. The…

Popular sizes in convenient packages Lengths are approximately 4', in packs of 10 lbs. Assortment pack contains each size glass rod, in the following quantities.

Tooled with groove to take O-Ring and provide greaseless, vacuum tight connection. All joints are held together with our 7669 family of pinch clamps, except for code -18 for which we use our 6509-03 two-piece clamp. O-rings are Fetfe and may be used up to 230 degrees C. Each joint is supplied with…

For standard taper joints Knurled gripping-ring at top, which allows quick, simple removal from joint Easily cleaned For use with full or medium joints Three gaskets per package. Joint size given in listings below.

Adapter has a 10/30 outer joint at the top for use with CG-3506 thermometers. When used with vertical side neck flasks, thermometers can be angled into the bottom of the flask. FOR THERMOMETERS SEE CG-3506-N.

Snyder Distillation Column, 3 Section Top Outer Joint: 24/40 Lower Inner Joint: 24/40 Column Height: 150mm Overall Height: 300mm For use with Kuderna-Danish flask.

Cajon® adapters provide the flexibility of rubber tubing and are the ideal replacement for rubber, plastic, or glass tubing in critical vacuum applications. Connections compensate for misalignment, expansion and contraction; they are compressible by at least 20%, and they are extendable by 50%…

Cylindrical tube with a centered, sealed in fritted disc, used to construct special apparatus.

Ideal for use as a vent or for the introduction of pressure/vacuum Glass male Standard Taper joint with hose barb for tubing at 90° angle Thomas numbers 5737A01 and A03 take 1/4” tube fitting; others are 3/8”.

Soft Glass Stirring Rod, both ends round.

Stirring rod made of soft flint glass, 12" long and 7mm in diameter, with one end flat for use as a spatula or policeman. Sold as a pack of 12.

Pyrex® or Duran® borosilicate glass disc.Edges on all sizes are ground and chamfered.

Borosil® Polished Glass Solid Stirring Rods are constructed from smooth, low-expansion, low-extractable borosilicate glass. Their mechanical strength, excellent heat resistance, and outstanding chemical compatibility make them the perfect general use stirrer. Borosil® Glass Stirrers…