Which materials can be bonded with Loctite 401?

This cyanoacrylate adhesive bonds metals, plastics, elastomers, and porous materials like wood, paper, and leather.

How fast does this instant adhesive set?

Handling strength is reached in 3 to 20 seconds, depending on the substrates and ambient humidity.

What is the maximum gap fill for Loctite 401?

Loctite 401 is engineered for close-fitting parts with a maximum gap fill of 0.15 mm.

What is the operating temperature range?

The cured adhesive withstands operating temperatures ranging from -40 °C to 120 °C.

How do you bond difficult plastics like PE or PP?

For plastics such as PE, PP, and PTFE, apply Loctite SF 770 primer to the surfaces prior to bonding.

LOCTITE 401 quick-curing instant adhesive (20g bottle) - 275021

Name: LOCTITE 401 quick-curing instant adhesive (20g bottle) - 275021
Brand: LOCTITE
SKU: 02621322
Price: 22.8 EUR
Availability: PreOrder

Supplier number: LOCTITE 275021 | EAN 5010266340210

Recommended Retail Price €29.00

22.80 tax incl.

€18.84 excl. VAT (incl. all environmental contributions)

On order: delivered from 22/10/2026

blister

The minimum purchase order quantity for the product is 12.

Ordered before 20:00 - delivered as of 22/10/2026
Free shipping
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.
Loctite Buy & Get deals are recognisable by the promotion label on the product page. Click the label to view all available deals.

High-strength multi-material instant bonding

Practical benefits

Rapid fixturing with Loctite: You achieve a firm and dependable hold in seconds, allowing you to complete repairs and assemblies without delays.
Versatile substrate adhesion capability: You can bond both porous and non-porous surfaces, including metals, plastics, rubber, wood, leather, and paper.
Clean and precise application: The low-viscosity liquid adhesive flows easily into close-fitting joints, ensuring you obtain uniform stress distribution across parts.

In a nutshell

The right choise for

With Loctite 401 liquid instant adhesive, you complete rapid assemblies and repairs without lengthy clamping. This cyanoacrylate adhesive reaches handling strength in 3 to 20 seconds and delivers uniform stress distribution across close-fitting parts with a maximum gap fill of 0.15 mm. Whether you bond metal, plastic, rubber, or porous substrates like wood, leather, and paper, you achieve a firm, dependable hold right away. Once cured, the bond withstands operating temperatures from -40 °C to 120 °C. This 20 g bottle gives you the speed and reliability needed for production and maintenance tasks.

Product information FAQ

€22.80

tax incl.

Key features according to our expert

ADR packing group: Not applicable
ADR class: Not applicable
Weight: 20 g
Principal hazard property: GHS07 Harmful or irritant
UN number: Not applicable
P-statements: P261; P280; P305 + P351 + P338; P337 + P313; P501
H-statements: H315; H319; H335
Hazard class: GHS07 Harmful or irritant
Physical state: Liquid
Flash point: 80-93 °C

Product Description:

LOCTITE 401 is an instant adhesive designed for the assembly of difficult-to-bond materials requiring uniform stress distribution and high tensile and/or shear strength. The product provides for the rapid bonding of a wide range of materials, including metals, plastics and elastomers. LOCTITE 401 is also suited to bonding porous materials such as wood, paper, leather and fabric. Perfect for all quick repairs and all types of small emergency repairs.

Benefits:

Universal instant adhesive
Very high strength on close-fitting parts
Perfect for all quick repairs and all types of small emergency repairs.
Bonds a wide range of similar or dissimilar substrates (metals, rubber, wood, cardboard, ceramics as well as most plastics)

Precautionary statements

P261: Avoid breathing dust/fume/gas/mist/vapours/spray.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P337 + P313: If eye irritation persists: Get medical advice/attention.
P501: Dispose of contents/container to ... (see safety data sheet).

Hazard statements

H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.

All Features

Adr packing group: Not applicable
Adr class: Not applicable
Weight: 20 g
Principal hazard property: GHS07 Harmful or irritant
Un number: Not applicable
P-statements: P261; P280; P305 + P351 + P338; P337 + P313; P501
H-statements: H315; H319; H335
Hazard class: GHS07 Harmful or irritant
Physical state: Liquid
Flash point: 80-93 °C

Brand LOCTITE
02621322
EAN 5010266340210
Supplier number LOCTITE 275021

Frequently asked questions about this product

Answered by specialists

Which materials can be bonded with Loctite 401?: This cyanoacrylate adhesive bonds metals, plastics, elastomers, and porous materials like wood, paper, and leather.
How fast does this instant adhesive set?: Handling strength is reached in 3 to 20 seconds, depending on the substrates and ambient humidity.
What is the maximum gap fill for Loctite 401?: Loctite 401 is engineered for close-fitting parts with a maximum gap fill of 0.15 mm.
What is the operating temperature range?: The cured adhesive withstands operating temperatures ranging from -40 °C to 120 °C.
How do you bond difficult plastics like PE or PP?: For plastics such as PE, PP, and PTFE, apply Loctite SF 770 primer to the surfaces prior to bonding.