Sikadur 52 - Low Viscosity Epoxy Resin - Sikadur 52 - 3kg kit normal

Model: Sika Sikadur 52 - 3kg kit normal
This product includes:

1 x Sikadur 52 - Low Viscosity Epoxy Resin



Item ID: 6219
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Sikadur 52 - Low Viscosity Epoxy Resin
Sikadur 52 - Low Viscosity Epoxy Resin
DescriptionSikadur-52 is a low viscosity, free flo wing and fast curing injection resin and primer/coating based on a 2 component solvent free epoxy resin; ideally suited to a wide range of building and civil engi neer ing applications where highly penetrative material is required. It is available in two grades, Normal and Long Potlife for moderate and high ambient temperatures respectivel y.Sikadur-52 may be used to inject and fill cracks between 0.2 - 5 mm wide in aUseswide variety of constructions applications. Sikadur-52 does not shrink oncuring and forms a rigid, high strength product which exhibits excellentadhesion to most construction materials enabling the restoration of structural adequacy to columns, beams, foundations, decks and water retaining structures.Due to its highly penetrative nature Sikadur-52 is ideally suited for applicationas a primer beneath Sikadur epoxy mortars or Sikafloor mortars and coatingson dense substrates. Sikadur-52 may also be used to stabilise weak and friable substrates. Special high strength grades can be made to order.Shrink freeAdvantagesInsensitive to moisture during application, cure or whilst in serviceApplicable over wide temperature rangeLow viscosityExcellent adhesion to most building materials even when dampProven in serviceHigh tensile and flexural strengthSupplied in factory proportioned unitsHigh early strengthChemical resistantMinimum shelf life is approximately 3 years. Store under controlledStorage and Shelf Lifeconditions in original containers (minimum 5?C, maximum 35?C temperaturerange).Instructions for UseAll surfaces to be coated should be mechanically rough ene d, free from all Surface reparationcontaminants (eg. dust, oil, grease, etc.) surface water, laitance, old coatings,corrosion products. Suitable metho ds of preparation include blast cleaningand scabbling. For optimum penetration the substrate should be dry.When Sikadur-52 is used to inject cracks, the cracks must be blo wn out withoil free, dry compressed air. Cracks in the width range of 0.2 - 5 mm may besuccessfully injected.MixingSikadur-52 is supplied in factory proporti on ed units comprising the correct quantities of P art A (Resin) and Part B (Hardener). Thoroughly stir both components separately using a slow running drill with a windmill type paddle (max. speed 600 rpm ). Decant all of Part B into Part A and mix thoroughly (typically 3 mins). (Not applicable to twin cartridge packs).ApplicationWhen applied as a primer/co ating Sikadur-52 should b e worked well i nto the substrate. This is particularly important on damp surfaces. Ensure the attainment of an overall gloss sheen but do not allow the material to puddle.If Sikadur-52 is used as a p rimer for Sikadur epoxy mortars and Sikafloor mortars an d coatings it should be allowed to cure (but no more than 24 hours old) prior to applying the ensuing Sikadur/Sikafloor materials. (Please refer tothe relevant Sikadur/Sikafloor Technical Data sheets for further details).When used to fill cracks Sika dur-52 may be gravity fed or pressure injected forhorizontal surfaces. Only pressure injection is suitable for vertical or overhead cracks.To fill horizontal cracks under gravity construct a reservoir above the crack, fill with Sikadur-52 and allow to penetrate. Residual material may be ground off when fully cured. Vertical and overhead cracks should have injection nipples fixed centrally over the crack (between 30 - 50 cm centres) using Sikadur-31or Sika Anch orfix-1. Seal the surface of the crack with Sika dur-3 1 or Sika Anchorfix-1. Allow to cure.Commence injection under pressure from one end of the crack (the lowest nipple on vertical cracks) until the Sikadur-52 exudes from the next nipple,seal off the first and proceed to infect from the second nipple etc. Once the crack is filled and Sikadur-52 fully cured remove the nipples and use a gas torch and p ai nt scraper or gri nd the surface back to line and level. For further details on crack injection please refer to our Technical Department.Uncured material may be cleaned from application tools, etc. by using SikaCleaningColma Cle aner (flammabl e solvent). Cured material can only be removedmechanically.Technical and Physical DataFormLow viscosity liquidDensity1.1 kg / litre approx.Volume solids100% (solvent free)Mix ratioA: B = 2: 1 by weight and volume for Normal and Long PotlifeViscosities A & B mixedNormal @ 20?CLong Potlife @ 20?C300 MPa.s approx. @ 20?C240 MPa.s approx. @ 20?C110 MPa.s approx @ 3 5?C100 MPa.s approx. @ 35?CNote: 1 MPa.s = 1 centipoiseComprehensive strengthNormal @ 20?CLong Potlife @ 20?CLong Potlife @ 35?C@ 24 hours (BS 6319) @ 744 MPa approx.32 MPa approx.40 MPa approx.days54 MPa approx48 MPa approx.52 MPa approx.Tensile strength @ 7 daysNormal @ 20?CLong Potlife @ 35?C(BS 6319)22 MPa approx.22 MPa approx.Adhesion to concrete>3.5 MPa approx. @ 20?C(co hesive failure of concrete)Adhesion to sandblasted10 MPa approx. both gradessteelApplication Temperature5?C- 30?C (Normal) 20?C - 40?C(Long Potlife)(min. - max.)(substrate and ambient temperatures)ASTM C881-78Complies with Type 1, Grade 1 Class B & C 2Consumption/Coverage1.1 kg /mapprox. per mm thickness(dependent on surface profile, texture, temperature, porosity and wastage)ColourPart A - Semi-Transparent (pale yellow), Part B - Transparent (pale brown)Mixed product pale straw colourationPackaging450 ml twin cartridge3.0 kg and 8.0 kg net pre-proportioned kitsPotlifeTemperature Normal Long Potlife5?C 70 mins approx. -20?C 27 mins approx. 55 mins approx.35?C 16 mins approx. 23 mins approx.Sikadur-52Page 2 of 4Revised November 2005 If the Part A shows signs of crystallisation, before application place theImportant NotesSikadur-52 cartridge or container in warm water (heated to 60?C) for at least one hour.Do not apply to surfaces with standing water or to water saturated cracks.For optimum penetration and adhesion substrates should be dry.Maximum moisture content of the substrate 10%Do not part mix containers to avoid mix ratio errors.Do not dilute the product with solvent as this will affect both the cure and in-service performance.Constant in-service temperatures >7 0?C may affect the performance of the product.Maximum application thickness 5mm. Not suitable for injection into cracks less than 0.2 mm or greater than 5mm wide.Maximum permissible substrate temperature 30?C (Normal), 40?C (Long Potlife).If in doubt, consult our Technical Department.Minimum age of new concrete 3 to 6 weeks, depending on thickness.Do not apply Sikad ur-52 ( Normal) to substrates lower than 5?C andSikadur-52 (Long Potlife) to substrates lower than 20?C.The temperature at which the Sikadur-52 is stored during the 24 hours before it is mixed will govern its potlife when mixed.Compressive strengths etc. of epoxy resins must be qualified by thetesting method eg. Test Standard or size of specimen under test and the rate at which the test piece is loaded while under test, as these factors will affect the result markedly. Faster loading rates will generally give higher ultimate loads and vice versa. Also, a specimen at lo wer temperature will show higher strengths and vice versa.Avoid contact with the skin, eyes and avoid breathing its vapour.Handling PrecautionsWear protective gloves when mixing or using.If poisoning occurs, contact a doctor or Poisons Information Centre.If swallowed, do NOT induce vomiting. Give a glass of water.If skin contact occurs, remove contaminated clothing and wash skin thoroughly.If in eyes, hold eyes op en, flood with water for at least 15 minute s and see a doctor.For more detailed information refer to our Material Safety Data Sheet.The information, and, in particular, the recommendations relating to theImportant Notificationapplication an d end-use of Sika's products, are given i n good faith based on Sika's current kno wledge and experience of the products when properly stored, handled and applied under normal conditions. In practice, the differences in materials, substrates and actual site con ditions are such that no warranty in respect of merchantability or of fitness for a particular purpose, nor an y liability arising out of any legal relationship whatsoever, can be inferred either from this information, or from any written recommendations, or from any other advice offered. The proprietary rights of third parties must be observed. All orders are accepted subject of our terms and conditions of sale. Users should always refer to the most recent issue of the Technical Data Sheet for the product concerned, copies of which will be supplied onrequest.PLEASE CONSULT OUR TECHNICAL DEPARTMENT FOR FURTHER INFORMATION.
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