LOCTITE® EA E-20HP Epoxy

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Parameter Category
Details
Technology
Epoxy
Chemical Type
Epoxy
Appearance (Resin)
Pale yellow liquid
Appearance (Hardener)
Yellow liquid
Appearance (Mixture)
Off-white
Components
Two-component (requires mixing)
Viscosity
Medium
Mix Ratio (by volume, Resin:Hardener)
2:1
Mix Ratio (by weight, Resin:Hardener)
100:55
Cure Method
Room temperature cure (after mixing)
Application
Bonding

 

  • Feature: Epoxy-based system
  • Benefit: Delivers excellent structural bonding strength and chemical resistance, ensuring long-term stability in harsh industrial environments (e.g., exposure to chemicals, temperature fluctuations) and meeting strict industrial load-bearing requirements.
  • Feature: Pale yellow resin, yellow hardener, off-white mixture Benefit: Visual clarity during mixing and application facilitates uniform blending (avoids incomplete mixing defects) and precise positioning in industrial assembly, reducing rework rates and improving production efficiency.
  • Feature: Two-component (mix-on-demand)
  • Benefit: On-demand mixing enables flexible batch production, prevents premature curing during storage, and ensures consistent adhesive performance across large-scale industrial production runs.
  • Feature: Medium viscosity
  • Benefit: Balances excellent wettability to various industrial substrates (metals, plastics, composites) and anti-dripping performance, suitable for vertical and horizontal bonding applications, ensuring uniform adhesive layer thickness and reliable bonding.
  • Feature: Fixed mix ratios (2:1 vol, 100:55 wt)
  • Benefit: Standardized mixing parameters are compatible with industrial automated mixing equipment, minimizing human error, ensuring consistent curing effect and bonding strength, and supporting mass production standardization.
  • Feature: Room temperature cure
  • Benefit: Eliminates the need for high-temperature curing equipment, reduces industrial production energy consumption and process complexity, shortens production cycles, and ensures stable curing even in on-site or large-component assembly scenarios.
  • Feature: Suitable for bonding
  • Benefit: Versatile for various industrial bonding scenarios (structural parts, components assembly, repair), provides reliable bonding between different substrates, enhances product structural integrity, and reduces failure risks in industrial operations.

TDS Download 

Spec // as published by the manufacturer

At a glance

Product type
Epoxy Adhesive
Brand
Loctite®
Chemistry
Epoxy Resin
Cure mechanism
Room Temperature Curing

Substrates in scope

Other substrates

Declared by manufacturer

ISO10993

Values are as published by the manufacturer for this grade. They describe the product family, not a test report for your assembly — ask us for the current data sheet before you design against them.

Related reading

Before you specify it

Technical writing from our engineering team and from the manufacturers we carry.

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What you get with the material

We are not just shipping you a drum

A grade on its own rarely solves the problem. These are the four things we do around it.

Selection support

Tell us the substrates, the process window and the failure you are trying to avoid. We narrow the field before you order anything.

Process design

Prototyping and pilot runs

Bonded samples and pilot batches of 200–500 pcs on our own dispensing and curing equipment, so process questions are answered before mass production.

Prototyping & pilot

Cross-border supply, DDP

Destination clearance, local labelling and destination-language SDS are set up by us. Class-restricted goods are routed at quotation time, not discovered at the border.

Cross-border supply

Documentation chain

Which document, issued by whom, covering what, and notification when it changes. We pass manufacturer documentation through unchanged.

Material substitution

Common questions

Before you send the enquiry

Yes. Tell us the grade and how you intend to use it, and we will send the manufacturer’s current technical data sheet. We pass manufacturer documentation through unchanged rather than reissuing it under our own name.

No — and you should be careful with anyone in our position who says they do. What we supply is the document chain: which document exists, who issued it, what it covers, and notification when it changes. Compliance statements come from the manufacturer, not from us.

That is one of the most common reasons engineers contact us. Equivalence is a ladder, not a yes/no answer — some claims are backed by a matching data sheet, others only by chemistry family. We will tell you which rung a given substitution sits on before you commit to it.

Packaging sizes shown on this page are the standard units for this grade. Sample quantities for evaluation are handled case by case — tell us the trial you are planning and we will scope it with you.

Tell us what you are bonding

Substrates, process window, and the failure you are trying to design out. An engineer answers, not a form.

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We do not issue compliance certificates. We supply the material, the manufacturer’s documentation, and the engineering judgement in between.