Create gastight, liquid-tight and vacuum tight ground joint connections with these PTFE sleeves. Bohlender™ BOLA™ PTFE Sleeves with Gripping Ring feature sealing rings on the outside of the sleeves and a low friction coefficient prevent sticking of the ground joints.

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.

Create gastight, liquid-tight and vacuum tight ground joint connections with these PTFE sleeves. Bohlender™ BOLA™ PTFE Sleeves with Gripping Ring feature sealing rings on the outside of the sleeves and a low friction coefficient prevent sticking of the ground joints.

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.

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.

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.

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.

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

Use these sleeves with joint clamps for rotary evaporators. Bohlender™ Sleeve Grooves With Ribs feature solid PTFE construction for continued use.

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

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

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.

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.

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.

Used as inserts between standard ground glass joints to eliminate the use of grease.

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

Forms a liquid and gas tight seal.

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°.

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

Excellent for use in rotary evaporators.

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

Specially designed to prevent machined glass joints from binding

A disposable option for preventing ground joints from sticking together.

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

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