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KNOWLEDGE — INNOVATION — SOLUTIONS
INSTANT ADHESIVES (CYANOACRYLATES)
INSTANT ADHESIVES (CYANOACRYLATES)

Strong, fast, and durable instant adhesives for multiple purposes.

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HOT MELT ADHESIVES
HOT MELT ADHESIVES

Fast, cost-effective, versatile, and reliable hot-melt adhesive bonds.

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UV CURING ADHESIVES
UV CURING ADHESIVES

Light-cured adhesives for strength and longer lifetimes.

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STRUCTURAL EPOXY AND INDUSTRIAL ADHESIVE

Maximum Tensile and Shear Strength in non-solvent and solvent-based technologies.

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EPOXIES, ELECTRICAL POTTING COMPOUND
EPOXIES, ELECTRICAL POTTING COMPOUND

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SEALANTS, ANAEROBIC THREADLOCKER, RETAINING COMPOUNDS
SEALANTS, ANAEROBIC THREADLOCKER, RETAINING COMPOUNDS

Tough, Resilient, Flexible, High temperature resistant, MIL-spec and ASTM specifications available.

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DISPENSING EQUIPMENT
DISPENSING EQUIPMENT

Soft-squeeze bottles, UV Curing equipment, robots and semi-automatic adhesive dispensing systems.

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2021-12-13
4 Types Of Threadlockers Classified By Colour

4 Types Of Threadlockers Classified By Colour

In the industrial sector, adhesives have an important role in keeping complex machinery up and running. From epoxy to instant adhesives, these compounds are extensively used in equipment after assembly, so they can keep functioning in spite of high vibration, temperature or pressure fluctuations. A class of industrial adhesives, known as threadlockers or thread-locking fluid, is also used for these purposes. This single-component adhesive is primarily used on fasteners such as bolts and screws, to prevent loosening or corrosion. However, not all threadlockers are the same and can be classified into 4 types.

Here are 4 types of thread lockers that can be distinguished by their colour code.

 

Purple Threadlocker

If a thread locker bottle has a purple marking, then it is primarily a low strength, medium viscosity adhesive that is ideal for applying on small screws used in electronic items such as computers and phones, as well as home appliances, and even spectacles. Thus, purple-grade threadlockers function as a common household adhesive.

 

Green Threadlocker

The green variant is basically a liquid with low viscosity and medium strength, often used on fasteners that are pre-assembled. This type of threadlocker firmly keeps the screws and bolts and in place and also keeps out moisture thanks to its wicking properties. Mostly used in electronic connectors, the green grade adhesive can be removed using hand tools or heat. 

 

Blue Threadlocker

Blue-grade threadlockers are medium in strength as well as viscosity. While they are great in securing fasteners, they also offer the option to be removed easily with hand tools, making them highly versatile. Due to its easy application and removal without compromising on bond strength, blue thread lockers are used extensively in cases where disassembly is required for maintenance and servicing. 

 

Red Threadlocker

The strongest threadlockers in existence, the red coded adhesives are also known as permanent threadlockers, for it is extremely difficult to remove them. Available in liquid as well as more viscous forms, they require high heat and hand tools to be effectively removed. Due to their incredible strength, they are mostly used in cases where fasteners need to be locked in permanently. 

 

Thus, these are the 4 general classifications of threadlockers. However, please note that this colour-coded scheme is only applicable to products made according to the American Society for Testing and Materials (ASTM) or United States Military Standards (Mil-Spec).

 

From structural epoxy to a wide range of industrial adhesives, Invertech Canada can help you with your endeavours thanks to our wide range of products. Contact us today to know more.


 


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