PTFE‑Lined Dispensing Tip (Grey Hub) - Precision, Clog‑Free Application for Cyanoacrylate Adhesives

High‑Performance PTFE Teflon‑Lined Tip for Reactive & Sensitive Fluids

The PTFE‑Lined Dispensing Tip (AD5121TLS‑B / AD5121TL‑B) is engineered for precision, clog‑free application of Cyanoacrylate adhesives (CA) and other low‑ to medium‑viscosity fluids. A stainless steel shaft houses a Teflon inner tube that is fixed securely inside the polypropylene hub (not crimped), ensuring smooth, unrestricted flow and full chemical compatibility with reactive adhesives.

The PTFE liner prevents Cyanoacrylates from curing inside the tip, delivering consistent micro‑dots, beads and controlled deposits. The Teflon tube extends 1/8" beyond the stainless steel shaft, protecting delicate substrates from scratching - ideal for electronics, medical device assembly and fine‑detail adhesive work.

A double‑helix grey luer‑lock hub provides secure attachment and easy gauge identification. All tips are silicone‑free and chloride‑free, ensuring contamination‑free dispensing for sensitive adhesives and chemicals.

Key Features

• PTFE‑Lined Stainless Steel Shaft Prevents clogging and chemical reaction with Cyanoacrylates.

• Extended Teflon Tube (1/8") Protects sensitive surfaces and ensures smooth, controlled deposits.

• Double‑Helix Luer‑Lock Hub (Grey) Provides secure connection and easy gauge identification.

• Precision Flow Geometry Tapered internal design reduces restriction and allows lower dispensing pressures.

• Silicone‑Free & Chloride‑Free Safe for contamination‑critical adhesives and cleanroom environments.

• Available in 50 or 1000 Pack Sizes Suitable for both small‑scale assembly and high‑volume production.

Technical Specifications

• Part ID: AD5121TLS‑B or AD5121TL‑B

• Materials: PTFE (Teflon), Stainless Steel, Polypropylene

• Hub Colour: Grey

• Inner Diameter: 0.020" (0.51 mm)

• Tube Lengths: 0.50" (12.70 mm) or 1.0" (25.4 mm)

• Connection: Luer Lock

• Commodity Code: 84249020

• Brand: Adhesive Dispensing Ltd

Recommended Applications

Perfect for dispensing:

• Cyanoacrylate (CA) adhesives

• Solvents, activators, primers

• Low‑ to medium‑viscosity adhesives

• Electronics assembly

• Medical device manufacturing

• Precision micro‑dot and bead application

Fully compatible with all luer‑lock and luer‑slip syringe barrels, valves and fittings.

About Adhesive Dispensing Ltd

Adhesive Dispensing Ltd supplies a comprehensive range of precision dispensing equipment and consumables for all assembly fluids - from watery solvents and primers to thick pastes, silicones, gels and epoxies. Our solutions are trusted across global manufacturing sectors for accuracy, reliability and safety.