DEMCO EPOX 284

Description

Epoxy-based, two-component bonding and assembly mortar. It is used for anchoring all types of rebar and setting anchor elements; for repairing and sealing concrete cracks and sealing cracks during crack injection; for all types of structural concrete repair; for mounting and bonding all kinds of metal parts to concrete or steel elements; and as an expansion joint tape adhesive.

Advantages

• Easy to mix and apply.
• Suitable for dry and damp concrete surfaces.
• Adheres very well to many building materials.
• A high-strength adhesive. Offers good chemical resistance.
• Thixotropic and non-sagging. Suitable for vertical and overhead applications.
• Contains no solvents.
• Cures without shrinkage.
• No primer required.
• Good abrasion resistance.
• Impermeable to liquids and water vapor.

Application Areas

• Anchoring of all types of rebar.
• Installation of anchoring elements.
• Repair and sealing of concrete cracks.
• Sealing of cracks during crack injection.
• All types of structural concrete repair.
• Mounting and bonding of all kinds of metal parts to concrete or steel elements.
• Bonding of expansion joint tapes.

Technical Properties

Surface Preparation and Application

• Surface preparation: Surfaces to be coated must be free of oil, rust, dust and similar contaminants. No loose layer may remain on the surface to be coated.
• Mixing: The entire B component should be poured into the A component, and the two components should be mixed for at least 3 minutes until a homogeneous mixture is formed. Mixing at low speed is recommended to prevent air bubbles from forming in the mixture.
• When used as a thin-layer adhesive, the mixed adhesive is applied with a spatula or trowel.
• When used to bond metal profiles to vertical surfaces, they are supported by pressing with clamps and/or props for at least 12 hours, depending on the substrate and room temperature.
• Where new columns, beams or shear walls are to be added to the concrete, holes or channels are drilled into the concrete; after the dust has been removed, they are filled with the Epoxy Anchoring, Repair and Assembly Paste DEMCO EPOX 284, and the anchor bars are quickly inserted.
• Thinner: Not to be thinned with thinner.

Application Conditions

• The working area temperature should be 15°C – 30°C.
• The ideal substrate temperature for application is 15°C – 30°C. The temperature must never fall below 10°C.
• For indoor and outdoor applications, substrate temperature, ambient temperature and ambient humidity must be taken into account.
• The relative humidity of the substrate must be below 4%, and the ambient humidity below 80%.
• A suitable amount of mixture should be prepared during work, and work should continue until the entire mixture has been used.
• The full curing time of DEMCO EPOX 284 applied at 20°C – 25°C is 7 days on average.

Coverage

Consumption varies depending on use.

Storage and Shelf Life

At 15–25°C in dry, enclosed storage areas away from direct sunlight, in the unopened original packaging; 1 year.

Packaging

Supplied in 5 kg packs.

Safety Precautions

• Avoid contact of the mixture or its components with skin and eyes. In case of contact, rinse with plenty of water and seek medical advice.
• Wear protective gloves, clothing and goggles.
• Keep out of reach of children.

Approvals / Standards

Tested according to EN 1504-2 within the scope of CE certification.