JK Super Portland Pozzolana Cement (PPC) conforms to IS:1489 (Part 1)-2015 and is described as suitable in all climates, geographies and applications. It has low heat of hydration, sulphate and chloride resistance and increased fineness (Blaine 3500 cm2/gm against the IS requirement of 3000 cm2/gm). The brochure states its 28-day strength is more than 43 grade cement and that it protects reinforcement from corrosion.

Key features

• Low heat of hydration - no micro cracks
• Sulphate and chloride resistance
• 28 days strength more than 43 grade cement
• Increased fineness for enhanced cohesiveness in mix
• Continuously increasing strength after application
• Better workability and smooth finish due to higher fineness
• Protection against dampness due to lesser permeability
• No leaching of lime and unpleasant deposits on surface
• Protects reinforcement from corrosion and increases life of structure
• Double action cement
• Reliable and prompt technical services

Applications

• Concrete work: beam, slab, column, foundation, prestress concrete, PCC
• Mortar work: masonry, internal and external wall plaster, ceiling plaster

Specifications

Fineness (Blaine): 3500 cm2/gm (IS requirement 3000 cm2/gm) | Suggested Mix - Beam, Slab, Column: M20 (min 20 N/mm2 at 28 days), proportion 1:1.75:3.5 | Suggested Mix - Foundation, Prestress Concrete: M25 (min 25 N/mm2 at 28 days), proportion 1:1.25:2.5 | Suggested Mix - PCC: M15 (min 15 N/mm2 at 28 days), proportion 1:2.5:4.5 | Suggested Mortar - Masonry 9 inch: 1:6 | Suggested Mortar - Masonry 4.5 inch: 1:5 | Suggested Mortar - Wall Plaster Internal: 1:6.5 | Suggested Mortar - Wall Plaster External: 1:4.5 | Suggested Mortar - Ceiling Plaster: 1:4

Standards: IS 1489 (Part 1):2015