Weiconlock AN 302-90 Threadlocker - 20ml Pen

SKU: SWM000438B01V0001
MPN: 30290020
Availability: Available for Fast Dispatch.
Container Size


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  • Extremely Low Viscosity with Capillary Action.
  • High Strength for Hard to Disassemble, Permanent Bonds.
  • Ideal for locking after mounting and sealing of hair cracks.

Weiconlock AN 302-90 Threadlocking Adhesive is a high strength, very low viscosity (runny) grade designed for locking all kinds of bolts in place permanently.

It is particular used for small parts and fittings. 

This grade of anaerobic adhesive is manufactured in Germany by Weicon and offers a variety of benefits. These are expanded on in the sections below:

Good Temperature Resistance.

Our Weiconlock AN 302-90 is a medium temperature grade of anerobic adhesive. This glue will withstand continuous exposure to temperatures between -60°C and +150°C.

High Strength, Hard to Disassemble Joins.

Weiconlock AN 302-90 cures with high strength for permanent bonds and seals. Strength ratings are summarised further below.

Specialised tools or the application for heat (300°C) will be required to disassemble joins made with Weiconlock AN 302-90.

Very Low Viscosity.

Weiconlock AN 302-90 has a viscosity of just 10-20 mPa·s (according to Brookfield at 25°C). This means it is very fluid and runny. It has a capillary action to it so it will run into and fill small hair cracks.

Weiconlock AN 302-90 is able to cover gaps up to 0.07mm and is used on threaded joints up to M 5.

Weiconlock AN 302-90 Key Specs Overview.

Colour Green (Fluorescent)
Viscosity 10 - 20 mPa·s
Maximum Gap Bridging 0.07mm
Prevailing stregth 30 - 40 Nm
Handling Strength at Room Temperature 5 - 20 Minutes
Temperature Resistance -60°C to +150°C.

For more detailed information on this high-quality adhesive, please consult the specifications tab or the Technical Data Sheet via the Media Tab.

The Weiconlock Pen System.

One of the features of all Weiconlock Threadlockers, Flange Sealants, Retaining Adhesives and Pipe Sealers is the pen system they use for most size containers (300ml varieties are supplied in cartridges and are the one exception).

This special pen makes accurate application natural and easy. It also helps to reduce wastage as there’s less chance of spillage.

The Weicon Pen System has been used in all kinds of industries all over the world for decades and continues to be a key point of difference for these German-Made adhesives.

Common Features of All Weiconlock Anaerobic Adhesives.

WEICONLOCK® are one-component anaerobic adhesives and sealants, especially made for metal assembly parts.

The full range covers over 60 different grades designed for everything from Thread Locking, Pipe Sealing, Flange Sealing and Retaining Cylindrical Assemblies like bearings. There are special grades for potable water applications, gas lines, oxygen service and more.

No matter the grade chosen, all types of Weiconlock Adhesive have a few things in common:

Excellent Chemical Resistance.

All grades of Weiconlock Adhesives are resistant to a large variety of different chemicals, fluids and gases. Some of the more common are summarised in the table below. A more comprehensive list is also available via the Media Tab..

Media Resistance   Media Resistance
Acetic acid 80% o   Oxygen
Aromat, Solvent +   Phenol +
Brake fluid +   Propane +
Diesel, heating oil +   Seawater +
Edible oil +   Silicone oil +
Fuel oil +   Turpentine +
Glycocol, glycine +   Vinegar +
Helium +   Water (acidic) under PH 7 +
Hydrochloric acid +   Water PH 7 to 8 +
Isobutane +   Water (alk.) over PH 8 +
Kerosene +   Water, chlorinated +
Mineral oil +   Water, cooked o
Naphtha, petroleum +   Water, distilled +
Natural gas - dry +   Water, wastewater (sewage) +
Nitrogen gas +   Xylene, dimethylbenzene +

+ = Good Resistance.
o = Resistant
% = Limited Resistance.
- = Not Resistant.

Easy to Use.

In general, WEICONLOCK does not require special pre-treatment as slightly oily surfaces (e.g. on as received parts) will be tolerated.

However, best results will be achieved on cleaned, degreased parts (use WEICON Surface Cleaner). If required, the parts should be slightly roughened.

WEICONLOCK is ready for use and should be applied evenly direct from the bottle/tube with the dispensing tip (avoid direct contact of dispensing tip with metal). Apply continuous bead on one side of flange, join and tighten parts quickly.

For sealing applications (pipe fitting) apply WEICONLOCK in circular motions on the thread. Screw pipe threads together and tighten until desired orientation.

Do not pour back into the bottle any WEICONLOCK fluid which had contact with metal; even smallest metal particles will cause the content of the bottle to cure. In series construction, the use of manual or automatic applicators is recommended.

Simple to Store.

WEICONLOCK can be stored in the unopened original container for at least 24 months at room temperature. Keep away from heat sources and direct sunlight. The air in the bottle/tube keeps WEICONLOCK liquid.

Colour Green (Fluorescent)
For Threaded Joints Up To... M 5
Viscosity 10-20 mPa·s
Maximum Gap Bridging 0.07mm
Breakaway strength (Thread)  15 - 25 Nm
Prevailing strength 30 - 40 Nm
Shear strength Nmm² (DIN 54452)* 8 - 12 N/mm²
Handling Strength at Room Temperature 5 - 20 Minutes
Final strength (100%) after 3 Hours
Temperature Resistance -60°C to +150°C.

*Strength values based on M 10 screws, 8.8 grade, thickness of nut 0,8.d Static shear strength based on cylindrical parts of abt. Ø 13 mm, tolerance (D-d) = 0,05 mm, l/d = 0,88 

SKU SWM000438B01
Brand Weicon