TNPL Power Bond
Strength meets Sustainability
Produced from inter-grinding-processed fly ash and gypsum, TNPL’s Portland Pozzolana Cement exhibits
superior strength, durability and resistance.
Features
- High binding property that aids in increased workability
- Reduced bleeding that provides greater volumes and lower water content for a given workability
- Increased resistance against sulphate attacks
- Reduced carbon monoxide emission
- Reduced shrinkage, honeycomb formation, aiding in increased strength and durability
Technical Specification
Chemical Properties
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Loss on ignition %
1.5-2 (5 max)
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Insoluble Residue %
24 – 27
-
Chloride Content %
<0.02 (0.1 max)
-
Magnesia (MgO) %
1.4 – 1.8 (6.0 max)
Physical Properties
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Fineness (Blaines), M2/Kg
350 – 400 (300 min)
-
Le – Chatelier Expansion, mm
1-2 (10 max)
-
Autoclave Expansion, %
<0.2 (0.8 max)
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Setting Time-Initial, minutes
100-120 (30 min)
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Compression Strength 3days, MPa
25-30 (16 min)
-
Compression Strength 7days, MPa
35-40 (22 min)
-
Compression Strength 28days, MPa
47-53 (33 min)
-
Drying Shirnkage, %
<0.02 (0.15 max)
Ideal for
Multistorey buildings, below ground works, marine area construction, plastering works, masonry works, Roof concrete, beams and columns, etc.
Resources
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