Which materials can Loctite 4850 bond?

It bonds metals, plastics, rubber, leather, paper, wood, and fabrics, especially where flexibility is required.

What makes this instant adhesive unique?

Loctite 4850 creates a bendable, flexible bondline, maintaining full compressibility when bonding rubbers.

How fast does the adhesive fixture?

Fixture time ranges between 3 and 75 seconds, depending on the substrate and ambient humidity.

What is the optimal storage temperature?

Store the unopened bottle in a dry location at temperatures between 2 °C and 8 °C.

What is the package size of this product?

This adhesive comes in an applicator bottle containing 20 g.

LOCTITE 4850 instant glue (20g) - 1921740

Name: LOCTITE 4850 instant glue (20g) - 1921740
Brand: LOCTITE
SKU: 11940031
Price: 31.8 EUR
Availability: InStock

Supplier number: LOCTITE 1921740 | EAN 5010266009339

From 1 piece €31.80

From 12 pieces €30.21 - €19.08 saving

From 24 pieces €29.41 - €57.24 saving

From 36 pieces €28.62 - €114.48 saving

31.80 tax incl.

€26.28 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Ordered before 20:00 - delivered as of 05/10/2026
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.

Flexible bonding with Loctite 4850

Practical benefits

Flexible and bendable bond lines: You join flexible components like rubber, leather, and fabric while retaining the full compressibility and elasticity of the joint.
Fast adhesion on porous surfaces: You achieve rapid fixture times even on absorbent materials, allowing you to complete delicate assemblies without unnecessary delays.
Versatile multi-material compatibility: You bond a wide variety of similar and dissimilar substrates, including plastics, metals, and elastomers, with high precision.

In a nutshell

The right choise for

With Loctite 4850 cyanoacrylate adhesive, you create instant, dependable bonds that stay flexible and bendable. While standard instant adhesives turn brittle under movement, this liquid formula preserves the elasticity and compressibility of materials like rubber, leather, and fabrics. It delivers rapid, reliable adhesion on porous or absorbent surfaces as well as plastics and metals, achieving fixture in just 3 to 75 seconds. The 20g applicator bottle gives you precise control for spot repairs and assembly jobs on seals and O-rings, eliminating long clamping cycles and keeping your workflow moving.

Product information FAQ

€31.80

In stock - tax incl.

Key features according to our expert

Weight: 20 g
ADR packing group: Not applicable
ADR class: Not applicable
UN number: Not applicable
Principal hazard property: GHS07 Harmful or irritant
Relative density: 1,06
P-statements: P261; P280; P305 + P351 + P338; P333 + P313; P337 + P313; P501
Hazard class: GHS07 Harmful or irritant
Physical state: Liquid
Flash point: 80 - 93 °C
Packaging: Bottle
H-statements: H315; H317; H319; H335

Product Description:

LOCTITE 4850 is an instant adhesive designed for the assembly of difficult-to-bond materials and is specifically formulated to provide flexible bond lines. It is a low-viscous product that provides for the rapid bonding of a wide range of materials, including metals, plastics and rubbers. When used to bond rubbers, for example, this product ensures retention of the full compressibility of the joint. LOCTITE 4850 is also particularly suited to bonding porous or absorbent materials such as paper, leather and fabrics.

Benefits:

Instant, flexible adhesive
Low viscosity
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.
P333 + P313: If skin irritation or rash occurs: Get medical advice/attention.
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.
H317: May cause an allergic skin reaction.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.

All Features

Weight: 20 g
Adr packing group: Not applicable
Adr class: Not applicable
Un number: Not applicable
Principal hazard property: GHS07 Harmful or irritant
Relative density: 1,06
P-statements: P261; P280; P305 + P351 + P338; P333 + P313; P337 + P313; P501
Hazard class: GHS07 Harmful or irritant
Physical state: Liquid
Flash point: 80 - 93 °C
Packaging: Bottle
H-statements: H315; H317; H319; H335

Brand LOCTITE
11940031
EAN 5010266009339
Supplier number LOCTITE 1921740

Frequently asked questions about this product

Answered by specialists

Which materials can Loctite 4850 bond?: It bonds metals, plastics, rubber, leather, paper, wood, and fabrics, especially where flexibility is required.
What makes this instant adhesive unique?: Loctite 4850 creates a bendable, flexible bondline, maintaining full compressibility when bonding rubbers.
How fast does the adhesive fixture?: Fixture time ranges between 3 and 75 seconds, depending on the substrate and ambient humidity.
What is the optimal storage temperature?: Store the unopened bottle in a dry location at temperatures between 2 °C and 8 °C.
What is the package size of this product?: This adhesive comes in an applicator bottle containing 20 g.