MC-Injekt 2133 Flex

Highly elastic sealing, one-component injection resin for concrete, masonry and foundation soil

MC-Injekt 2133 Flex

Products Properties

■ One-component elastic expansion polyurethane-based resin
■ Very good injectability in water-filled cracks (surfing effect)
■ Unlimited processing time without contact with water
■ Water-displacing water reactive
■ Closed-cell, durable water impermeability
■ High elasticity
■ Corresponds to fire class B2 according to DIN 4102 in the injection medium
■ Phthalate plasticizer-free
■ CE conformity according to EN 1504-5: CE (D), U (D1) W (3) (1/2/3/4) (5/40)
■ General building authority approval issued by the DIBt for injection into soil and groundwater
■ REACH exposure: water contact permanent, inhalation periodic, processing and application
■ Environmental Product Declaration EPD

Area of Application

  • Permanent, highly elastic sealing injection of water-bearing cracks and cavities from approx. 0.3 to approx. 5 mm in concrete and masonry under dry and water-bearing conditions
  • Sealing of rock, foundation soil, construction pit enclosures and structures in tunnel and special civil engineering
  • Flat sealing of contact surfaces between sealing foils and structures
  • Waterproofing of pipe and liner connections to manhole/shaft structures of sewerage infrastructure
  • Sealing injection of manhole ring joints, pipe penetrations, socket joints


Technical Data sheet