Description
Product Overview
Loctite 2040804 is a premium two‑part epoxy formulated with epoxy resin and polymercaptan hardener. Packaged in a 25 ml gray syringe, it delivers a medium‑to‑high viscosity mix that cures to a tough, rigid bond. The epoxy is water‑resistant, solvent‑resistant, and maintains high impact strength, making it suitable for metal, concrete, glass, ceramic, wood, PVC, copper, aluminum, brass, and many rigid plastics. Full cure is achieved in 24 hours, while initial set occurs in 5‑12 minutes.

Usage
Designed for repair and construction, this epoxy excels in environments exposed to water immersion, outdoor structures, and heavy‑duty applications. Ideal for professionals and DIY enthusiasts fixing railings, awnings, posts, brick, cinderblock, machinery, tools, and pipes. Apply the mixed epoxy to clean, dry surfaces, press together, and allow the rapid set before finishing.
Why Choose Us
Loctite, a Henkel brand, guarantees consistent quality and performance backed by rigorous testing. The dual‑syringe applicator ensures exact 1:1 mixing, eliminating guesswork. The epoxy does not shrink, can be sanded or drilled after cure, and retains its gray finish to blend with metal and concrete aesthetics. A strong warranty underscores confidence in durability.
Key Features
- Fast initial set in 5‑12 minutes for quick repairs
- Water‑resistant and solvent‑resistant for harsh conditions
- High‑impact, non‑shrinking bond suitable for load‑bearing applications
- Versatile adhesion to metal, concrete, wood, glass, ceramic, and plastics
- Convenient double‑syringe delivers precise resin‑hardener ratio
FAQ
What surfaces can I bond with this epoxy?
The epoxy adheres to metal, concrete, wood, glass, ceramic, PVC, copper, aluminum, brass, galvanized pipes, and many rigid plastics.
How long does it take to reach full strength?
Initial set occurs in 5‑12 minutes, with full cure and maximum strength achieved after 24 hours.
Can the cured epoxy be sanded or drilled?
Yes, once fully cured the epoxy can be sanded, drilled, or machined without compromising its integrity.
Is the epoxy safe for outdoor use?
Its water‑resistant formulation makes it suitable for outdoor applications and surfaces exposed to moisture.
Do I need any special preparation before applying?
Ensure surfaces are clean, dry, and free of oil, dust, or loose material for optimal adhesion.




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