How does the freeze & release mechanism of Loctite LB 8040 work?

The spray shock-freezes parts down to -43 °C. This thermal shock creates micro-cracks in the rust layer, allowing mineral lubricating oil to wick in via capillary action and release seized components.

What applications is this penetrating oil suited for?

Loctite LB 8040 is formulated to free rusted, corroded, and seized metal hardware such as bolts, nuts, studs, and machine parts.

How do you apply this freezing spray correctly?

Clean loose dirt, shake the can well, and spray from 10 to 15 cm for 5 to 10 seconds. Allow 1 to 2 minutes for penetration before attempting disassembly.

Does Loctite LB 8040 provide protection after loosening?

Yes, it leaves a thin mineral oil film on the freed components that provides lubrication and helps prevent future corrosion.

What is the volume of this aerosol can?

This aerosol can contains a net volume of 400 ml.

LOCTITE 8040 Freeze & Release mineral oil to loosen rusted and seized parts (400ml spray) - 760225

Name: LOCTITE 8040 Freeze & Release mineral oil to loosen rusted and seized parts (400ml spray) - 760225
Brand: LOCTITE
SKU: 11310072
Price: 14.86 EUR
Availability: InStock

Supplier number: LOCTITE 760225 | EAN 5010266406176

14.86 tax incl.

€12.28 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Ordered before 20:00 - delivered tomorrow 02/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

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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.
Loctite Buy & Get deals are recognisable by the promotion label on the product page. Click the label to view all available deals.

Fast release with Loctite LB 8040

Practical benefits

Instant shock freezing action: You instantly cool seized metal fasteners down to -43 °C, creating microscopic cracks in the rust layer for effortless disassembly.
Deep capillary penetration: The low-viscosity mineral oil wicks directly into the cracked rust to lubricate the seized threads from within.
Lasting corrosion prevention: It leaves behind a thin, protective lubricating film that keeps loosened parts shielded against future rust formation.

In a nutshell

The right choise for

With Loctite lb 8040 Freeze & Release, you quickly free seized and rusted metal fasteners without damaging threads or snapping bolts. Delivering an instant thermal shock, this aerosol rapidly cools components down to -43 °C. This shrinking effect creates microscopic cracks in the rust layer, allowing the low-viscosity mineral oil to penetrate deep into threaded joints via capillary action. You can easily loosen stubborn nuts, bolts, and studs during vehicle repairs, agricultural machinery servicing, or industrial plant maintenance. After use, the 400 ml aerosol can leaves behind a protective lubricating film that shields freed metal parts against future corrosion.

Product information FAQ

€14.86

In stock - tax incl.

Key features according to our expert

Net volume: 400 ml
Hazard class: GHS02 Flammable; GHS07 Harmful or irritant; GHS08 Health hazard
Physical state: Aerosol
P-statements: P102; P210; P211; P251; P261; P273; P302 + P352; P410 + P412
H-statements: H222; H229; H315; H373; H412
Principal hazard property: GHS02 Flammable
UN number: UN1950
ADR class: 2.1
ADR packing group: Not applicable
Flash point: -60 °C

Product description:

LOCTITE LB 8040 is a special mineral oil designed to free rusted, corroded and seized parts.
The shock-freezing effect will cool parts instantly down to -43 °C and cause microscopic cracks in the layer of rust.
This allows the lubricating ingredients to wick directly into the rust by capillary action.
The product leaves a thin film on the released parts that lubricates and prevents rust.

Precautionary statements

P102: Keep out of reach of children.
P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P211: Do not spray on an open flame or other ignition source.
P251: Do not pierce or burn, even after use.
P261: Avoid breathing dust/fume/gas/mist/vapours/spray.
P273: Avoid release to the environment.
P302 + P352: IF ON SKIN: Wash with plenty of water/…
P410 + P412: Protect from sunlight. Do no expose to temperatures exceeding 50°C/ 122°F.

Hazard statements

H222: Extremely flammable aerosol.
H229: Pressurised container: May burst if heated.
H315: Causes skin irritation.
H373: May cause damage to organs through prolonged or repeated exposure.
H412: Harmful to aquatic life with long lasting effects.

All Features

Net volume: 400 ml
Hazard class: GHS02 Flammable; GHS07 Harmful or irritant; GHS08 Health hazard
Physical state: Aerosol
P-statements: P102; P210; P211; P251; P261; P273; P302 + P352; P410 + P412
H-statements: H222; H229; H315; H373; H412
Principal hazard property: GHS02 Flammable
Un number: UN1950
Adr class: 2.1
Adr packing group: Not applicable
Flash point: -60 °C

Brand LOCTITE
11310072
EAN 5010266406176
Supplier number LOCTITE 760225

Frequently asked questions about this product

Answered by specialists

How does the freeze & release mechanism of Loctite LB 8040 work?: The spray shock-freezes parts down to -43 °C. This thermal shock creates micro-cracks in the rust layer, allowing mineral lubricating oil to wick in via capillary action and release seized components.
What applications is this penetrating oil suited for?: Loctite LB 8040 is formulated to free rusted, corroded, and seized metal hardware such as bolts, nuts, studs, and machine parts.
How do you apply this freezing spray correctly?: Clean loose dirt, shake the can well, and spray from 10 to 15 cm for 5 to 10 seconds. Allow 1 to 2 minutes for penetration before attempting disassembly.
Does Loctite LB 8040 provide protection after loosening?: Yes, it leaves a thin mineral oil film on the freed components that provides lubrication and helps prevent future corrosion.
What is the volume of this aerosol can?: This aerosol can contains a net volume of 400 ml.