Inserts between standard ground glass joints to eliminate the use of grease. Lenz Laborglasinstrumente™ Disposable Ground Joint Sleeves, PTFE provide outstanding chemical resistance at operating temperatures from -200 to +260°.

Insert between standard ground glass joints to eliminate the use of grease. The PTFE thick wall sleeve is B-length for Europe and is suitable for high vacuum.

Fisherbrand™ PTFE Rigid Joint Sleeves are grease-free, high vacuum seals for standard taper ground glass joints, with substantial shoulder for ease of handling and repeated use. High vacuum performance is attained using transverse sealing rings.

Fisherbrand™ PTFE Thin Wall Sleeves are inserted between standard taper ground glass joints to eliminate the use of grease and prevent sticking.

Inserts between standard ground glass joints to eliminate the use of grease. Cowie Technology™ PTFE Thick Wall Sleeve, B-length for Europe is suitable for high vacuum.

Inserts between standard ground glass joints to eliminate the use of grease. Fisherbrand™ PTFE Thin Wall Sleeve, B-length for Europe is suitable for low or medium vacuum.

Insert between standard ground glass joints to eliminate the use of grease. The PTFE thick wall sleeve is B-length for Europe and is suitable for high vacuum.

Manufactured from PTFE. BRAND™ Ground Joint Sleeves fit perfectly without a protruding rim to simplify use of joint clips. Greaseless seal will not contaminate sample. Outstanding chemical resistance at operating temperatures from -200 to 260°C.

Forms a liquid and gas tight seal.

Fabricated from pure PTFE for superior chemical, corrosion and contamination resistance, high thermal stability and good flexural properties. Azlon™ PTFE Sleeves form a grease-free gas tight seal for ground glass joints. Available in standard joint sizes for accurate fit.

Fits like a second skin without adding bulk

Sturdy design for permanent use, with grip collar and sealing rings for excellent tightness

Made of high quality materials. Each manufacturing step is tested through an extensive quality management system, based on DIN ISO 9001/EN 29001.

Constructed of PTFE for high temperature and chemical resistance. Kartell™ Lining for Glass Tapers are specially designed to prevent machined glass joints from binding.

Specially designed to prevent machined glass joints from binding

The Lining for Glass Tapers is specifically designed to prevent machined glas joints from bending.

Sleeves with ribs for vacuum up to 0.1 mbar.

Provides for high-vacuum tight sealing with a low leak rate.

Spherical ground joint sleeves with gripping ring and sealing rings on the outside.

Sleeves with gripping ring made of PTFE.

Provides for high-vacuum tight sealing with a low leak rate.

Provides for high-vacuum tight sealing with a low leak rate.

Use these reusable PTFE sleeve grooves with rotary evaporators. Bohlender™ BOLA™ Sleeve Grooves feature solid construction for continued use and easily accessible, easy to clean sealing rings.