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Waterproofing Construction Chemicals

SEALTITE

HIGH STRENGTH WATERPROOFING COMPOUND AND BONDING AGENT

DESCRIPTION

SEALTITE is an aqueous Co-polymer emulsion specially formulated for use with cement. SEALTITE modifies the property of cement in mortars and in concrete to make them perform better in terms of water proofing, repair, corrosion inhibition, bonding, durability and wear resistance.

PRIMARY USES
  • 1) Corrosion protection of steel.
  • 2) Floor screed and topping.
  • 3) Concrete and floor screed repairs.
  • 4) Water proofing and tanking of basements.
  • 5) Bonding old concrete to new concrete.
  • ADVANTAGES

    Water resistant, excellent adhesion to concrete, steel, brick, stones, compatible with cement. High compressive, tensile and flexural strength. Resistant to ingress of salts, mineral oils etc. Non toxic. Suitable foruse in potable water tanks. Excellent corrosion protection. Economical when compared with epoxy mortars.

    DIRECTIONS FOR USE

    A) Method:

  • 1) On a cleaned and prepared surface apply SEALTITE bonding slurry.
  • 2) Apply SEALTITE modified mortar by float or trowel to form an uniform smooth surface. Bonding slurry sets very fast hence modified mortar application should be fast and immediately after application of bonding slurry.
  • 3) Moist cure for 24 hours and then allow it to dry off.
  • B) Preparation:

    NOTE : Applied bonding slurry sets very fast. 1 LTR SEALTITE with 1 kg of cement gives a slurry which covers 25 to 30 sq/ft. on smooth even surface.

    1 + 1

    NOTE : Applied bonding slurry sets very fast. 1 LTR SEALTITE with 1 kg of cement gives a slurry which covers 25 to 30 sq/ft. on smooth even surface.

    MODIFIED MORTAR
    Cement l kg
    Zone II dry Sand 2.6kg
    SEALTITE 200ML
    Water 150ML
    Yield 1.30 Litres
       

    This mortar covers 7 sq.ft.area if applied to a thickness of 10mm

    Note: 1) This mortar looks very dry. No further addition of SEALTITE or water is to be made.

    2) Dosage of SEALTITE can be varied between 5 ltrs to 15 ltrs. per 50kg bag of cement depending upon application and severity of problem. 2lts per 50kg bag of cement is used in general plaster only as an admixture to produce crack free plaster.

    TYPICAL APPLICATONS
  • 1) Corrosion Repairs of Beams, Columns and Slabs:
  • a) Remove the cover concrete and cutback to the sound concrete zone.
  • b) Remove all the rust from the reinforcement by mechanical means.
  • c) Apply one coat of SEALTITE bonding slurry on the reinforcement and the surrounding concrete surface.
  • When the bonding slurry is still tacky apply modified mortar by pressing in position using 10 litre SEALTITE per 50kg bag of cement. Modified mortar can be applied upto a thickness of 20mm. For building up to higher thickness leave the first layer to dry overnight and apply second layer with one more coat of bonding slurry.
  • When the bonding slurry is still tacky apply modified mortar by pressing in position using 10 litre SEALTITE per 50kg bag of cement. Modified mortar can be applied upto a thickness of 20mm. For building up to higher thickness leave the first layer to dry overnight and apply second layer with one more coat of bonding slurry.
  • e) Moist cure for 24 hours and allow it to dry off.

    2) Industrial Floor or Floor Duct Nosing Repair:

    a) Cutback to sound concrete surface and make the surface wet.

    b) Apply the bonding slurry and when it is still wet apply the SEALTITE modified mortar using 10 litre of SEALTITE per 50 Kg bag of cement

    c) Feather edge to match the original floor level. In case of nosing carefully build up the edge and give a smooth finish.

    d) Moist cure for 24 hours and allow it to dry off.

    3) Bonding old Concrete to New Concrete:

    a) Vertical Joint: Apply SEALTITE bonding slurry on the prepared wet old concrete vertical surface and pour the concrete.

    b) Horizontal joint: Pour and spread SEALTITE bonding slurry on the wet old concrete surface to a thickness of 3.5 mm and pour fresh concrete.

    4) Plaster & Screed Mortars:

    SEALTITE is admixed at a dosage of 2 litres per 50 kg bag of cement to improve properties of general plaster and screed free from shrinkage crack and for achieving higher compressive and tensile strength. Screeds over water proofing membranes and patch up repairs before application of water proofing membranes are done with SEALTITE admixed mortars.

    PROPERITIES
    Form Liquid
    Colour Milky White
    Specific gravity 1.01
    Solid Content 42% + 1
    PH 9.0
    Solubility
    Mixes withWater
    Application Temperature Above 5 °c
    Physiological Effect Neutral
    Chemical Nature Anionic
    Toxicity Non Toxic
    Particle size 0.17 micron
    Anti oxidant Yes
    Bacteriocide Yes
    Antifoam Yes
    PERFORMANCE DATA
    Compressive Strength
    3 days 225 Kgs/cm² (22 N/mm²)
    7 days 290 Kgs/cm² (28 N/mm²)
    28 days 350 Kgs/cm² (34 N/mm²)
    Tensile strength
    3 days 30 Kgs/cm² ( 3 N/mm²)
    7 days 44 Kgs/cm² ( 4.3 N/mm²)
    14 days 82 Kgs/cm² (8 N/mm²)
    Flexural Strength

    28 days : 92 Kgs/cm² (9 N/mm²)

    TECHNICAL INFORMATION

    Typical Engineering Data

    Physical Properties of SEALTITE

    Appearance Free flowing white liquid - dries off to colourless
    Sp. gravity 1.01
    Shelf life 1 year in unopened containers

    Typical Result of SEALTITE

    Modified Portland Cement Mortar

    Compressive Strength ASTM C190

    (50 mmm) cubes

    3 days 210 kg/cm2
    7 days 280 kg/cm2
    28 days 340 kg/cm2

    Flexural Strength ASTM C190

    28 days 90 kg/cm2

    Bond Strength ASTM C-78

    28 days 90 kg/cm2

    Material Requirements

    14 days 80 kg/cm2

    Material Requirements

    Coverage* Cement Sand SEALTITE Water
    1) Cement Slurry (55 - 75 m2 )
    (Bond coat)
    50 kg ---- 10 - 12 liter 15 - 18 liter
    2) Coating for waterproofing
    (22 to 25 m2 @ 1.5 mm thick)
    50 kg ---- 10- 12 liter 10 - 12 liter
    3) Repair Mortar
    (10-11 m2 at 13 mm)
    50 kg 140 kg 8-10 liter 8 - 10 liter

    Projected coverage is an estimate only, and is highly dependent upon sub-base texture.

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