Which materials can be bonded with this 2K epoxy adhesive?

It bonds most materials including glass, ceramics, metals, optical fibers, and rigid plastics.

What is the working time of Loctite EA M-31 CL?

Once mixed at room temperature, it offers a working life of 30 minutes.

How long does full curing take at room temperature?

It cures at 25 °C and achieves high structural bond strength after 24 hours.

What is the mixing ratio of this epoxy adhesive?

The mix ratio of resin to hardener is 2:1 by volume.

Is this epoxy adhesive resistant to chemicals?

Yes, once fully cured, it is resistant to a wide range of chemicals and solvents.

LOCTITE EA M-31 CL HYSOL A/B liquid two-pack epoxy adhesive clear colourless/light yellow with low viscosity (50 ml standard tube) - 3031812

Name: LOCTITE EA M-31 CL HYSOL A/B liquid two-pack epoxy adhesive clear colourless/light yellow with low viscosity (50 ml standard tube) - 3031812
Brand: LOCTITE
SKU: 02062698
Price: 60.6 EUR
Availability: PreOrder

Supplier number: LOCTITE 3031812 | EAN 0079340306738

Recommended Retail Price €76.68

60.60 tax incl.

€50.08 excl. VAT (incl. all environmental contributions)

On order: delivered from 29/10/2026

The minimum purchase order quantity for the product is 10.

Ordered before 20:00 - delivered as of 29/10/2026
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.

Reliable bonding with Loctite

Practical benefits

Excellent optical clarity: This low-viscosity 2K epoxy adhesive cures with minimal shrinkage, giving you a crystal-clear bondline for precise optical and cosmetic assemblies.
High impact resistance: You achieve strong, durable joints across glass, ceramics, and rigid plastics thanks to its high mechanical and dielectric strength.
Strong chemical stability: The fully cured adhesive resists solvents and harsh chemicals, ensuring your bonded assemblies stay secure in demanding conditions.

In a nutshell

The right choise for

With Loctite ea M-31 CL, you achieve strong, precise bonds where optical clarity is critical. This low-viscosity 2-part liquid epoxy adhesive flows easily into narrow gaps and crevices, curing at room temperature with minimal shrinkage into an ultra-clear bondline. With a 30-minute working life, you have ample time to position precision components across glass, ceramics, metals, optical fibers, and rigid plastics. Once fully cured, the adhesive delivers high impact strength and outstanding chemical resistance. Approved under iso 10993 specifications, it provides dependable structural performance for demanding medical, optical, and industrial assemblies.

Product information Accessories FAQ

€60.60

tax incl.

Key features according to our expert

Net volume: 50 ml
Principal hazard property: GHS05 Corrosive
Relative density: 1,01
ADR packing group: III; II
Packaging: Bottle
UN number: UN3082; UN2735
ADR class: 9; 8
P-statements: P273; P280; P302 + P352; P333 + P313; P337 + P313; P303 + P361 + P353; P305 + P351 + P338; P310
H-statements: H315; H317; H319; H411; H314; H318
Hazard class: GHS07 Harmful or irritant; GHS09 Environmental hazard; GHS05 Corrosive
Physical state: Liquid
Flash point: 120 °C

Hazard statements

H315: Causes skin irritation.
H317: May cause an allergic skin reaction.
H319: Causes serious eye irritation.
H411: Toxic to aquatic life with long lasting effects.
H314: Causes severe skin burns and eye damage.
H318: Causes serious eye damage.

Precautionary statements

P273: Avoid release to the environment.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P302 + P352: IF ON SKIN: Wash with plenty of water/…
P333 + P313: If skin irritation or rash occurs: Get medical advice/attention.
P337 + P313: If eye irritation persists: Get medical advice/attention.
P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water (or shower).
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P310: Immediately call a POISON CENTER/doctor/…

All Features

Net volume: 50 ml
Principal hazard property: GHS05 Corrosive
Relative density: 1,01
Adr packing group: III; II
Packaging: Bottle
Un number: UN3082; UN2735
Adr class: 9; 8
P-statements: P273; P280; P302 + P352; P333 + P313; P337 + P313; P303 + P361 + P353; P305 + P351 + P338; P310
H-statements: H315; H317; H319; H411; H314; H318
Hazard class: GHS07 Harmful or irritant; GHS09 Environmental hazard; GHS05 Corrosive
Physical state: Liquid
Flash point: 120 °C

Brand LOCTITE
02062698
EAN 0079340306738
Supplier number LOCTITE 3031812

Accessories

LOCTITE 96001 handgun for 50 ml duo tubes (10:1/1:1/2:1) - 267452

72.40

€59.83 excl. VAT

On stock, immediately available.

Frequently asked questions about this product

Answered by specialists

Which materials can be bonded with this 2K epoxy adhesive?: It bonds most materials including glass, ceramics, metals, optical fibers, and rigid plastics.
What is the working time of Loctite EA M-31 CL?: Once mixed at room temperature, it offers a working life of 30 minutes.
How long does full curing take at room temperature?: It cures at 25 °C and achieves high structural bond strength after 24 hours.
What is the mixing ratio of this epoxy adhesive?: The mix ratio of resin to hardener is 2:1 by volume.
Is this epoxy adhesive resistant to chemicals?: Yes, once fully cured, it is resistant to a wide range of chemicals and solvents.