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

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

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

Variants table
Buy	Unit price	Content	Delivery time	Preview	Product number	Manufacturer Article Number	Nominal capacity	Socket[s]

Accessories

Dr. Dietmar Glindemann

PTFE sealing rings for jointed glassware

An effective alternative to common PTFE joint sleeves and PTFE stoppers.Air leakage <10-8 to 10-6 mBar l/s (vacuum and pressure)Solvent leakage from containers < 0.1 to 0.03mg/dayTemperature range: -196 to 300°C

From €28.20*

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 €6.75*

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 €2.50*

H W S Hans W. Schmidt

Ground joint clips for sleeve connections, wire, Chrome-nickel steel

Chrome-nickel steel.

From €3.30*

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 €2.85*

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 €3.95*

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 €16.50*

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 €25.80*

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 €46.90*

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 €7.70*

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 €27.00*

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ISOLAB Laborgeräte GmbH

Dropping funnels, cylindrical, without pressure equalizing tube, Borosilicate glass 3.3

PTFE stopcock, PE stoppers. Cylindrical shape, without pressure equalising tube. ISO 4800 and DIN 12242.

From €88.40*

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