Grouting concrete JB 600/3

Product description

Fescon Grouting Concrete 600/3 is a concrete for demanding casting applications that expands before setting and has an extremely high strength. The maximum grain size is 3.0 mm.

 

  • strength class C 50/60 (K 60) (28 days, + 20°C)
  • highly effective protection against steel corrosion
  • excellent casting properties (pliable, easy flow)
  • good adhesive properties
  • low drying shrinkage
  • SILKO-approved
  • frost-resistant

Applications

  • anchor grouting
  • grouting of columns
  • jointing and grouting of prefabricated elements
  • injection casting
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EAN code Product name Product number Package size
6416841330222 GROUTING CONCRETE JB 600/3 33022 1000 kg
6416841530226 GROUTING CONCRETE JB 600/3 53022 25 kg

Instructions

The base must be undamaged, clean, and damp enough to be darker in colour. If necessary, remove the weak-strength cement paste layer. Best adhesion can be achieved to a rough base. The mould must be tight, because the grouting concrete is very pliable and flows easily. Normal casting can be carried out from one side. Thus, build that side's mould higher than usual and, if necessary, also wider, so that the grouting concrete can fill the casting space under its own weight. When using galvanised steels, you must make absolutely sure that the coating has become passive.

We recommend casting as soon as possible after mixing the mass, as this allows the full utilisation of the expansion of the fresh mass. The mass is so pliable that compacting is not usually necessary. The flow can be enhanced by ramming or light vibrating. When doing thick casting layers (over 50 mm), you should do the casting in several layers. Each layer must be allowed to harden for at least one day before the next casting. Do not allow the freshly cast concrete to freeze. The lowest usage temperature is + 5°C.

You must care for the cast surface by spraying with water and/or protect it with a plastic film. The need for aftercare depends on the conditions. It should continue for at least one to three days.

Waste handling

Waste is collected mechanically and disposed of in accordance with local instructions. Hardened waste is handled as construction waste.

Technical information

Water requirement 3.3-3.5 l/25 kg
Finished compound 11 - 12 l / 25 kg bag
Type powder
Binder Portland cement
Aggregate natural sand
Colour grey
Composition Portland cement, natural sand (max. grain size 3.0 mm), and additives that improve workability and weather resistance, and also make the fresh concrete to expand.
Package size 25 kg and 1000 kg
Workability time 1 h
Strength class C 50/60
Adhesion strength

(SILKO) > 2.5 Mpa (from the beginning of the breakpoint)

Shrinkage

(SILKO) 0.4 mm (restrained shrinkage test)

Volume change < +5 %
Fire class A1
Exposure class XC 4, XD 3, XS 3, XF 4, XA 1 (XA 2) (100 years)
Chloride content 0.01 %
Carbonation

(SILKO) 0 mm in expedited test (CO2 5%, 91 days)

Frost resistance (SILKO) no erosion in a 50-cycle frost-salt test

References

Other links

The information is based on tests and practical experience. We cannot affect conditions at the work site so we cannot assume responsibility for the end result affected by local conditions.

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