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Dropping funnels, cylindrical, with pressure equalizing tube, Borosilicate glass 3.3

Description
PTFE stopcock, PE stoppers. Cylindrical shape, with pressure equalising tube. ISO 4800 and DIN 12242.

Properties
Cone[s]: NS29/32
Manufacturer Article Number: 032.03.250
Material: Boro 3.3
Material stopcock: PTFE key
Nominal capacity: 250 ml
Shape (Dropping funnels): Cylindrical
Socket[s]: NS29/32
Standard: ISO 4800, DIN 12242
With pressure compensation: Yes
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Accessories

Dr. Dietmar Glindemann

Dr. Dietmar Glindemann
PTFE sealing rings for jointed glassware
An effective alternative to common PTFE joint sleeves and PTFE stoppers.Air leakage
From CHF 36.30*

Bohlender GmbH

Bohlender GmbH
Sleeves, cone joint, PTFE
With knurled gripping ring at the top of the cone for easy removal. For gas, liquid and vacuum-tight cone joint connections with sizes as outlined below. Reusable. With reinforced external ribs for a high-vacuum tight seal (leakage rate: < 1x10-4mbar x I x s-1). No joint sealant or grease required.
From CHF 9.50*

Bohlender GmbH

Bohlender GmbH
Sleeves with ribs, PTFE
For use with ground glass joints. Suitable for vacuums up to 0.1mbar. Reusable and long lasting. The sealing ribs grip on the inside wall of the glass socket, sealing without the need for grease and enabling the cone to be freed easily when required.
From CHF 2.00*

H W S Hans W. Schmidt

H W S Hans W. Schmidt
Ground joint clips for sleeve connections, wire, Chrome-nickel steel
Chrome-nickel steel.
From CHF 3.70*

DWK Life Sciences GmbH (Duran)

DWK Life Sciences GmbH (Duran)
Joint clips KECK, POM, for conical ground joints
Melting point 175 °C. Excellent chemical resistance. Rigid. Heat resistant up to 150 °C, sizes colour coded.
From CHF 4.80*

DWK Life Sciences GmbH (Duran)

DWK Life Sciences GmbH (Duran)
Joint clips KECK, POM, for spherical ground joints
Melting point 175 °C. Excellent chemical resistance. Rigid. Heat resistant up to 150 °C, sizes colour coded.
From CHF 6.30*

J.P. Pöllath

J.P. Pöllath
Joint grease, K.W.S
Without silicone. Designed as vacuum and high vacuum grease. No silicone derivatives, polymerisation or gumming. Excellent adhesion and viscosity. Acid/alkaline resistant. Locked joints can be loosened by brief, gentle heating. Can be used to make temporary glassware repairs. Biodegradable. Non-toxic in normal use.
From CHF 19.00*

Lenz-Laborglas GmbH & Co. KG

Lenz-Laborglas GmbH & Co. KG
Joint clips for conical joint sleeve connections, stainless steel, with set screw
For tapered ground joints as outlined belowWith or without set screwFor tapered ground joints as outlined below
From CHF 37.00*

DWK Life Sciences GmbH (Duran)

DWK Life Sciences GmbH (Duran)
Engler distilling flasks, DURAN®, ASTM, with beaded rim
Uniform wall thickness distribution makes these flasks ideal for heating applications and distillations. The flasks are manufactured from a hydrolytically resistant borosilicate glass 3.3, which is defined as "Type I, Class A" in the ASTM Specification E 438.ASTM D86DIN EN ISO 3405
From CHF 55.20*

Otto Fahsig GmbH

Otto Fahsig GmbH
Gas leak detection fluid, bottle
DIN 30657 gas, trace and leak detection fluid. Non-allergenic, non-toxic and odourless. Suitable for all pressure ranges. Non-flammable and therefore suitable for all technical gases such as ammonia, argon and other noble gases, freon, carbon dioxide, coal gas, compressed air, propane, oxygen, nitrogen, water etc. Propellant-free. Unpressurised canister. Flash-point greater than 50°C. Unlimited shelf life. Tested and approved under DIN-DVGW-No. NG to 5170 AN 0456.Spray head not included. Please order separately.
From CHF 9.30*

Buddeberg GmbH

Buddeberg GmbH
BUDDE - joint grease
For all glass joints. Transparent, vacuum tight, water washable and water soluble. Maintains practically the consistency between -30°C and 200°C, non-solidifying. Compatible with most elastomers. Tube of 80g.
From CHF 30.90*
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