AAC Block Jointing Mortar
It is a High-End Flexible mortar specially designed for Installation of AAC/CLC Blocks.
Features and benefits:
- Compatible Flexible Mortar…. crack resistant
- Improved adhesion between Blocks, RCC surface and Bricks/Blocks
- Water resistant
- Consistent Quality
Raw materials details:
Main Binder | Ordinary Portland Cement |
Fine aggregate | Graded Silica Sand (Max. Size of Aggregate: 1.18 mm ; Maximum allowable percentage on 600 Micron sieve is 5% ); silt free |
Polymers | a) Redispersible Powder ……. helps in better adhesion |
b) MHEC (Methyl Hydroxyethyl Cellulose) …. Self-Curing compound | |
c) Elastomeric agent …Brings flexibility; has crack resistant properties | |
| |
Colour | Grey |
Loose Bulk Density | 1400 – 1450 Kg/m3 |
Rodded Density | 1480 – 1500 Kg/m3 |
Coverage | Approx. 1.55 kg/Sqm/mm on plain surface |
Pot Life | 90 -120 Mins |
Open Time | 30 – 45 Mins |
Drying Shrinkage | < 0.002% |
Pull out Strength | > 0.9 N/mm2 |
Compressive Strength | 8 – 10 N/mm2 Considering W/P = 20% – Lab Condition 4.5 – 7.0 N/mm2 Considering W/P = 25% – Site Condition |
Shelf Life | 6 months |
Product Is a Flexible Mortar as even at Compressive Strength of 5 Mpa @ 28 days, it gives Pull off of minimum 1 Mpa ( W/P = 25%).
SURFACE PREPARATION
- Dust layer, if any on the surface of the Concrete/ brick/blocks must be wiped/cleaned .
- The Surface of Brick/Blocks and adjacent columns/beam etc should be pre-wet prior to the application i.e. Pre-wetting is required so that the substrates do not absorb moisture from Mortar.
MIXING AND APPLICATION
- 22-25% water (by weight of material) is required for mixing.
- Mixing should be done with mechanical mixer / stirrer.
- The material should be applied within 90 minutes after preparation. It is recommended to apply Mortar with a suitable Notched.
CURING
No water curing is required post application.
STORAGE AND PACKING
Speed AAC Block Jointing Mortar is supplied in dry form and delivered in 40 Kg bag.
Storage life is Six months if the product is stored in a dry place.
HEALTH AND SAFETY
- Recommended to wear NIOSH approved or equivalent particulate face mask when mixing the material.
- Material contains cement, which may produce allergic effect.
- Keep out of reach of children.
- Avoid contact with eyes and prolonged contact with skin.
DISCLAIMER:
It is assumed that all standard Civil Engineering Practices shall be adopted for application of the mortar. The information given in this leaflet is for general guidance only.