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ARENA RepairMaster R300 REPAIR COMPOSITION FOR CONCRETE

The dry construction mix ARENA RepairMaster R300 is effective repair structure with the term of a skhvatyvaniye from 40 to 180 minutes. The complete name of this of the popular and demanded by the market mix for repair – ARENA RepairMaster R300. Principal components of this mix are: special cements, perfect fractions of quartz sand and also a complex of the reinforcing fibers and polymeric additives with the expressed modifying properties.

Purpose:

DESCRIPTION: Dry construction mixture waterproof surface to stop active leaks mixture, consists of a mixture of alumina and Portland cement, quartz sand and a complex of additives accelerators for setting and hardening, as well as additives that prevent the mixture from blurring PURPOSE: The dry mix is intended for restoration of geometrical and operational parameters of a structure by their surface restoration. Can   be   applied   by   dry   and   wet   shotcrete.   Examples:
  • elimination of cracks and potholes inside and outside buildings;
  • elimination of chips, shells, caverns in concrete structures, defects in concreting;
  • repair of  monolithic  concrete  and  reinforced  concrete structures, beams, trusses, wall panels, columns;
  • repair of structures exposed to sea water, mineral oils and other corrosive environments;
  • restoration of protective layers of reinforced concrete;
  • fixing of anchor elements in solid bases;
  • Mounting of lighthouses;
  • installation of electrical and

Benefits:

  • profitability;
  • optimum technical characteristics;
  • high adhesion;
  • lack of shrinkage;
  • has color of concrete.

Specifications:

TECHNICAL CHARACTERISTICS
Name of an index Value* Measurement methods*
1 Technical characteristics of dry mix
1.1 Appearance loose powder gray TU 23.64.10-001-35155041-2017
1.2 Bulk density in standard condition 1400 ± 100 kg/m3 GOST 8735, part 9
2 Technical characteristics of solution mix
2.1 W/F 0,18-0.19 TU 23.64.10-001-35155041-2017
2.2 water retaining power 95-98 % GOST 5802
2.3 Start of setting, min: start, not less than/ finish, not longer than   40/ 180 GOST 310.3, part 2
2.4 Density, kg/m3 2100 ± 100 GOST 5802
3 Technical characteristics of solution
3.1 Mobility Pk1-Pk2 GOST 5802-86
3.2 Compressive strength after, MPa, more, after 1/7/28 days 20/40/50 GOST 5802
3.3 Flexural strength, MPa, more, after: - 7 days - 28 days   5,0 7,0 GOST 310.4
3.4 Water resistance mark, more W12 GOST 12730.5
3.5 Shrinkage at the 28 days, % not more than 0,1 TU 23.64.10-001-35155041-2017
3.6 Adhesion, MPa, more, after 28 days   1,5 GOST 31356
3.7 Mark for frost resistance, more F300 GOST 5802
* Tests were carried out according to STO 77956721-001-2017 "Descriptions and technology of use of waterproofing materials of the ARENA FORCE brand". All stated indicators of quality and the recommendation are right for ambient temperature 20oC and the relative air humidity of 90%. In other conditions technical characteristics of material can differ from specified.

Material application technology

Preparation of the basis:

Conduct a visual and instructional assessment of defective areas of concrete to calculate the required amount of materials. Clean the damaged areas from structurally weak concrete of other contaminants, preventing adhesion of the mortar to the surface of the repaired concrete. When the reinforcing bars are bare, it is ne- cessary to remove the concrete around them by at least 15 mm. In the presence of active leaks, it is necessary to eliminate them with a dry mixture of ARENA PlugMix PW "Hydraulic plug". Attention! Before applying ARENA RepairMaster R300, it is necessary to moisten the substrate with water to the maximum possible saturation.  

PREPARATION OF SOLVENT MIXTURE:

Work should be carried out at a temperature not lower than -5°C.
Attention! Use only clean water and packaging to prepare the mortar. To prepare such volume of a mortar mix which can be developed within 40 minutes from the moment of mixing with water.
The optimum temperature of the mixing water is 20°C. When the temperature decreases, the time for setting the solution mixture increases and the final strength of the solution decreases. When the temperature is increased, the time for grasping is reduced. On 1 kg of a dry mixmix it is required 0,18-0,19 l of water. It is best to mix with a low-speed drill. Mix for 3 minutes before forming a homogeneous plastic mass without lumps. Dissolve the mortar during use to maintain the original consistency. Re-addition of water to the solution is not allowed.
APPLICATION:
Before applying the mortar mixture, the concrete surface of the area to be repaired should be thoroughly moistened. Depending on the amount of work, the mortar can be applied with a trowel, a spatula manually or by wet-rolling. The optimum layer thickness of the applied material is 10 mm. The subsequent layers can be applied after 60-120 minutes beforehand. The overpayment of the repair mixture on large areas must be done on a masonry net.
CARE OF PROCESSED SURFACE:
It is necessary to ensure that the treated surfaces remain moist for 3 days. For what you need to moisturize the surface 2-3 times a day.

Construction sites

Manufacturer`s warranty

The manufacturer guarantees compliance of mix to requirements of specifications at observance by the consumer of storage precautions and indications of this instruction. A warranty period of container storage of the manufacturer – 18 months from the date of production on condition of undisturbed tightness of an original packing.

Safety:

It is necessary to avoid hit of mix in eyes and on skin. Mix contains cement and in interaction with water gives alkaline reaction therefore during the work it is necessary to use rubber gloves and goggles. At hit of mix in eyes it is necessary to wash them with water and to ask for the help the doctor. Storage conditions: Storage is allowed at any humidity and temperature from - 60oC to 50oC.

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