DEMCO EPOX 285 AD/DK is a moisture tolerant, thixotropic, structural two part adhesive and repair mortar, based on a combination of epoxy resins and special fillers. DEMCO EPOX 285 AD/DK is used as a structural adhesive and mortar for: concrete elements, hard natural stone, ceramics, fiber cement, mortar, bricks, masonry, steel, iron, aluminum, wood, polyester, epoxy. For corners and edges, holes and void filling, vertical and overhead use it is used as a repair mortar and adhesive. Atier drilling holes into the concrete and removing the dust from these holes, DEMCO EPOX 285 AD/DK is filled into them to anchor connecting rods or to fix the foundation bolts, the machines and the crane rails onto the floor.


  • Easy to mix and apply.
  • Suitable for dry and damp concrete surfaces.
  • Exceptionally good adhesion to most construction materials.
  • High strength adhesive. Good chemical resistance.
  • Thixotropic: non-sag in vertical and overhead applications.
  • Solvent free.
  • Hardens without shrinkage.
  • No primer needed.
  • Impermeable to liquids and water vapour.
  • Good abrasion resistance.

Technical Properties

Number of Components 2
Mixing Ratio (by weight) A/B (75/25)
Mixing Density (g/cm3 (TS EN ISO 2811-1) 1,65 ± 0,10
Pot Life ( min., 23°C, 100 ml ) (DIN 16945) 50-80
Mixing Viscosity (mPas, 25°C) (EN ISO 3219) 200 – 350
Curing Time ( 23°C ) ( TS 4317 )
Dry to Touch (Hours) 12 -24
Fully Cured (Week) 1
Floor Admission

Storage and Shelf Life

It should be kept in its original, unopened package and in closed and dry places, which are at 15 – 25°C. It must not stay under direct sunlight. Under these conditions, the shelf life is 12 months.


Total : 10 kg (A: 7,5 kg / B: 2,5 kg)