What is Loctite 7240 activator used for?

It is designed to speed up the curing process of anaerobic Loctite adhesives and sealants.

When should you use this activator?

It is ideal for passive metals, large bond gaps, and low curing temperatures below 15 °C.

How do you apply Loctite 7240?

Spray it onto one of the mating surfaces prior to assembly, without mixing it directly as a liquid with the adhesive.

Does this activator reduce the final bond strength?

No, it enhances curing speed without any significant loss of joint strength.

LOCTITE 7240 activator (90 ml aerosol) - 333369

Name: LOCTITE 7240 activator (90 ml aerosol) - 333369
Brand: LOCTITE
SKU: 11010549
Price: 33.95 EUR
Availability: InStock

Supplier number: LOCTITE 333369 | EAN 5010266348834

33.95 tax incl.

€28.06 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Delivery by DHL

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How does it work?

For a purchase value of €99 to €125 excl. VAT, receive FREE LOCTITE 55 thread sealing cord 50 m (IDH 528244) worth €9.99.
For a purchase value of more than €125 excl. VAT, receive FREE LOCTITE SF 7850 hand cleaner 400 ml (IDH 2098250) worth €13.21.
The free item is automatically added to your order. No registration is required.
The promotion is valid from 01.10.2026 to 31.10.2026.
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Accelerated bonding with Loctite 7240

Practical benefits

Faster cure on passive metals: You increase the cure speed of anaerobic adhesives on inactive substrates such as stainless steel and aluminium.
Reliable in cold conditions: You achieve strong bonds even in low working temperatures below 15 °C without compromising joint strength.
Effective across larger gaps: You ensure consistent and complete adhesive hardening even across wide bond gaps.

In a nutshell

The right choise for

With the Loctite 7240 activator, you significantly speed up the cure time of anaerobic adhesives and sealants. When working with passive metals like stainless steel or aluminium, in cold environments below 15 °C, or across larger bond gaps, this convenient 90 ml spray can delivers fast, dependable curing without sacrificing final bond strength. Simply apply it to one of the mating surfaces prior to assembly for a reliable, secure hold.

Product information FAQ

€33.95

In stock - tax incl.

Key features according to our expert

Net volume: 90 ml
ADR packing group: Not applicable
ADR class: Not applicable
UN number: Not applicable
Principal hazard property: GHS07 Harmful or irritant
Relative density: 1,07
P-statements: P333 + P313
Hazard class: GHS07 Harmful or irritant
Physical state: Liquid
Flash point: > 150 °C
Packaging: Spray can
H-statements: H317

Product description:

LOCTITE SF 7240 is designed to promote the curing speed of LOCTITE anaerobic adhesives and sealants without any significant loss of joint strength.
It is especially recommended for applications with passive metals or inert surfaces and with large bond gaps.
The product should also be used where the cure temperature is low.
It is particularly recommended for cure conditions below 15°C.

Precautionary statements

P333 + P313: If skin irritation or rash occurs: Get medical advice/attention.

Hazard statements

H317: May cause an allergic skin reaction.

All Features

Net volume: 90 ml
Adr packing group: Not applicable
Adr class: Not applicable
Un number: Not applicable
Principal hazard property: GHS07 Harmful or irritant
Relative density: 1,07
P-statements: P333 + P313
Hazard class: GHS07 Harmful or irritant
Physical state: Liquid
Flash point: > 150 °C
Packaging: Spray can
H-statements: H317

Brand LOCTITE
11010549
EAN 5010266348834
Supplier number LOCTITE 333369

Frequently asked questions about this product

Answered by specialists

What is Loctite 7240 activator used for?: It is designed to speed up the curing process of anaerobic Loctite adhesives and sealants.
When should you use this activator?: It is ideal for passive metals, large bond gaps, and low curing temperatures below 15 °C.
How do you apply Loctite 7240?: Spray it onto one of the mating surfaces prior to assembly, without mixing it directly as a liquid with the adhesive.
Does this activator reduce the final bond strength?: No, it enhances curing speed without any significant loss of joint strength.