Loctite Loctite 243 Blue Threadlocking Adhesive, 50 ml Bottle, 2 h Cure Time

RS Stock No.:: 408-4080
Mfr. Part No.:: 1335885
Manufacturer:: Loctite

Loctite Loctite 243 Blue Threadlocking Adhesive, 50 ml Bottle, 2 h Cure Time

Bulk discount available

Subtotal (1 unit)*

SGD149.38

(exc. GST)

SGD162.82

(inc. GST)

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In Stock

9 unit(s) ready to ship
Plus 770 unit(s) ready to ship from another location
Plus 9 unit(s) shipping from 27 March 2026

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Units	Per unit
1 - 4	SGD149.38
5 - 24	SGD146.38
25 +	SGD120.47

*price indicative

RS Stock No.:: 408-4080
Mfr. Part No.:: 1335885
Manufacturer:: Loctite

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Loctite
	Product Type	Threadlocking Adhesive
	Trade Name	Loctite 243
	Application	Threadlocking
	Material Compatibility	Steel, Brass
	Threadlocking Strength	Medium
	Setting Time	5min
	Cure Time	2 h
	Colour	Blue
	Product Form	Liquid
	Package Type	Bottle
	Package Size	50 ml
	Minimum Operating Temperature	-55°C
	Maximum Operating Temperature	180°C
	Standards/Approvals	No
	Viscosity	Thixotropic
	Specific Gravity	1.08
	Base Chemical	Dimethacrylate Ester
	Special Features	Anaerobic

	Select all
	Brand Loctite
	Product Type Threadlocking Adhesive
	Trade Name Loctite 243
	Application Threadlocking
	Material Compatibility Steel, Brass
	Threadlocking Strength Medium
	Setting Time 5min
	Cure Time 2 h
	Colour Blue
	Product Form Liquid
	Package Type Bottle
	Package Size 50 ml
	Minimum Operating Temperature -55°C
	Maximum Operating Temperature 180°C
	Standards/Approvals No
	Viscosity Thixotropic
	Specific Gravity 1.08
	Base Chemical Dimethacrylate Ester
	Special Features Anaerobic

COO (Country of Origin):: IE

This Loctite 243 is designed for the locking and sealing of threaded fasteners which require normal disassembly with standard hand tools. It offers high temperature performance and oil tolerance.

Features:

Technology: Acrylic

Chemical Type: Dimethacrylate ester

Fluorescence: Positive under UV light

Components: One component - requires no mixing

Viscosity: Medium, thixotropic

Cure: Anaerobic

Secondary: Cure Activator

Application: Threadlocking

Strength: Medium

How to use Loctite 243?

Clear all surfaces (external and internal) with a cleaning solvent and allow to dry

Cure speed too slow? You need to use appropriate activator and then allow to dry it when needed

Shake it before use

To prevent the Loctite 243 from clogging in the nozzle, avoid tip and metal surface get in contact during application

Store in dry location

How to clean Loctite 243 after using?

It could be removed with a combination of soaking in a solvent and wire brush.

Where can you use Loctite 243?

It works on active metals such as brass or copper as well as on passive substrates ie. stainless steel and plated surfaces. ;It is proven to be tolerant of minor contamination due to industrial oils, e.g. engine oils, corrosion prevention oils and cutting fluids.

Benefits

Prevents loosening on vibrating assemblies, e.g. pumps, gear boxes or presses

;

Works on all metals, including passive substrates (e.g. stainless steel, aluminium, plated surfaces)