MASTERCRETE M-90
100% ACRYLIC MODIFIER
₹2,119.0020 Ltr Bucket + GST ( 18 % )
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Description
MASTERCRETE M-90 is a single-component, 100% acrylic polymer admixture designed to enhance the performance of cementitious mixes. When blended with standard quality cement, it significantly improves bonding (adhesion) to concrete, masonry, and other building materials.
Features and Benefits
- Excellent bonding to most building materials
- Suitable for horizontal & vertical applications
- Allows vapour transmission, prevents blistering
- UV Stable, Non-toxic, non-flammable & safe to use
- Non-toxic, non-flammable & safe to use
Application Area
- Waterproofing of terraces, toilets, basements & sunken areas
- Waterproofing for water tanks, swimming pools & reservoirs
- Bridge decks, parking areas, runways & industrial floors
- Repair of concrete & masonry walls (internal & external)
- Bonding agent for old concrete to new concrete
Packaging
-
20 Ltr Bucket
Coverage
- As Waterproofing : 20 Sq.Ft Per Ltr in 2 coats
- As Bond Coat : 60 – 65 Sq. Ft./ 1 coat
Technical Data
| Property | Value / Specification |
|---|---|
| Appearance | Milky white, free flowing liquid |
| % Solid | 42% (±2%) – IS 101 |
| For coating | Cement : MASTERCRETE M 90 = 2:1 parts by weight |
| Mortars (RCC repair) | 10–15% by weight on cement quantity |
| Flooring screeds / Cement paints | 12–15% by weight on quantity |
| Bonding coat | 2–3 Ltr / 50kg cement bag, or Cement : M90 = 1:1 parts by weight |
Application Methodology
Surface Preperation
It is the most important step before application to get best results and to avoid failure. The surface must be free from dust, coatings, loose particles, fungus, moss, oils, and mould release agents.
Treat the surface with 5 to 10% hydrochloric acid followed by complete neutralization with water which will improve bonding of the coating.
A. Brush Coat Application
Clean the surface by scrapping, sand blasting, grinding to remove dirt & loose particles. Oils, greases and mould release agent can be cleaned with solvents.
B. WATERPROOFING APPLICATION
- After surface preparation, pre-wet the surface with sufficient water.
- Allow the surface to dry for minimum 1 hour. Mix 2 kg of cement with 1 liter of MASTERCRETE M-90 homogenously till no lump or air bubble remains in the mix.
- Apply coating by brush and allow it to dry for 2 hrs. before application of second coat. Minimum 2 coats are required.
C. CEMENT PAINT ADMIXTURES
- Mix 3–4 liters of MASTERCRETE M-90 with 50 kg of cement paint homogeneously to form a uniform mix.
- Apply the mixed and diluted cement paint by brush.
- Allow to dry 2 hrs. before application of second coat.
- It increases the covering capacity of cement paint by 20–25%.
PATCHING MORTAR
Depressions, voids can be filled and leveled by using MASTERCRETE M-90 mortar. Use 10% of MASTERCRETE M-90 on cement weight.
Curing of MASTERCRETE M-90 Coating & Mortar
Protect coated surface from traffic for minimum 48 hours. Keep surface moist for at least 72 hours using water sprinkling or wet gunny bags. Allow curing for 7 days before exposure to weather. Water ponding for 7 days acts as a waterproofing test.
Submersion or continuous water contact only after proper curing.
Storage and Shelf Life
- Best before 24 months from the date of manufacture, when stored in cool and dry place at original, unopened condition.
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