Tretoshield 1K-3

Tretoshield 1K-3 is a single-component polymer-based concrete repair mix.

Summary of benefits

  • Single-component (just add water), easy to use.
  • Low shrinkage / excellent density: ensures durability even in aggressive environments.
  • Thixotropic composition.
  • Coefficient of thermal expansion matches that of old concrete.

The repair mix is intended for use in the concrete repair work of:

  • façades,
  • harbour buildings,
  • concrete structures in direct contact with drinking water.

Packaging

  • The repair mix is packaged in a 25 kg paper bag.

Properties

  • Density: 1,900 kg/m3
  • Compressive strength: (BS4551:1980, 15):
    1 d         15.0 N/mm2
    7 d         30.0 N/mm2
    28 d      50.0 N/mm2
  • Flexural strength: (BS4551:1980,15):
    7 d        4.0 N/mm2
    28 d      6.5 N/mm2
  • Bond strength (BS1881: PT121): > 2.0 N/mm2
  • Coefficient of thermal expansion: 13.6 x 10-6
  • Penetration of water (ISO/DIN 7031): 7.53 x 10-15 m/s
  • Free slumping: 0.001%
  • Diffusion of chloride ions:
    +20 °C = 9.20 x 10-14 m2s-1
    +40 °C = 3.68 x 10-13 m2s-1
  • Pot life (+20 °C): 30 min (temperature-dependent)