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JK Super Ordinary Portland Cement (OPC 53)

⚡ 480+ Bari Built · Verified Mill Baseline
Offers & Procurement Benchmarks
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Live Verified Rate: ₹385 / 50 KG Bag (Grade 53) · Direct Mill Benchmark.
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Batch MTC Guaranteed: Verified Mill Test Certificate dispatched with every load, confirming 3d & 28d strength tests.
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Factory Moisture-Proof Bags: Sealed multi-ply HDPE valve bags preventing moisture intrusion and premature clinker hydration.
🚚Assured Direct DeliverySite dispatch in 24–48 hrs
⏱️Fresh Clinker Guarantee< 15 days batch age
🛡️BIS Certified QualityIS 12269 & IS 8112

Technical Specifications

Product TypeOrdinary Portland Cement (OPC)
Standard ComplianceIS 12269 : 2013 (Grade 53)
Compressive Strength @ 28 Days≥ 53.0 MPa (Achieved: 54.5 MPa)
Compressive Strength @ 3 Days≥ 27.0 MPa (Achieved: 28.2 MPa)
Initial Setting Time165 mins (BIS Requirement: Min 30 mins)
Final Setting Time245 mins (BIS Requirement: Max 600 mins)
Soundness (Le Chatelier)1.5 mm (BIS Limit: Max 10 mm)
Fineness (Blaine air)285 m²/kg (BIS Requirement: Min 225 m²/kg)
Packaging Format50 KG Net Multi-Ply Poly-Lined Valve Bag
Shipped by Ostaad Verified LogisticsSold by Direct Primary Mill Network
TRANSPARENT PROCUREMENT BENCHMARK
₹385
PER 50 KG BAG · TAX INCLUSIVE
Calculate Bag Quota ↓

How does Ostaad Bulk Buying work?

1
Calculate volume below: Input your roof slab, column, or plaster dimensions in our Cement Calculator.
2
Receive mill-direct quote: Transparent pricing with zero regional dealer hoarding inflation.
3
Site delivery with MTC: Factory-fresh bags unloaded at your site with certified batch lab reports.
● 100% GENUINE PORTLAND CLINKER · NO ADULTERATION
CEMENT CALCULATOR

Cement Calculator — Concrete Mix & Bag Estimation

Input the casting area or structural element dimensions to compute the exact ratio of Cement bags, Coarse Sand, Aggregate, and water needed.

CALCULATED STRUCTURAL REQUIREMENT
133 Bags

Mix Design: M20 Nominal (1 : 1.5 : 3) with W/C ratio 0.50 for 5" Slab.

CEMENT COST
₹51,205
SAND REQD
187 cft
AGGREGATE
374 cft
CURING KINETICS SIMULATOR

Compressive Strength Development Over Time

Toggle between Grade 53, Grade 43, and PPC to simulate how hydraulic compressive strength develops over the standard 28-day water curing cycle.

OPC Grade 53 (IS 12269) · High Early Strength← You are buying this
OPC Grade 43 (IS 8112) · General Structural
PPC Pozzolana (IS 1489) · Dense Matrix & Durability
60 MPa45 MPa30 MPa15 MPa0 MPa27.0 MPa37.0 MPa46.0 MPa54.5 MPa23.0 MPa33.0 MPa39.0 MPa44.8 MPa16.5 MPa23.0 MPa31.0 MPa38.2 MPaYou are buying thisDAY 3DAY 7DAY 14DAY 28 (FINAL)Initial De-shutter65% Standard Cure85% Structural Load100% 28-Day Target
TEST STANDARD: IS 4031 (PART 6) HYDRAULIC COMPRESSIVE STRENGTHOPC Grade 53 achieves rapid 27 MPa strength at 3 days, reaching 54.5 MPa for high-load multi-story framing.
TECHNICAL COMPLIANCE AUDIT

Bureau of Indian Standards (BIS) Benchmark Matrix

PHYSICAL & CHEMICAL TESTING CRITERIA AS PER IS 4031 & IS 4032

PROPERTYIS 12269 (GRADE 53)IS 8112 (GRADE 43)IS 1489 (PPC)
3-Day Compressive Strength≥ 27.0 MPa≥ 23.0 MPa≥ 16.0 MPa
7-Day Compressive Strength≥ 37.0 MPa≥ 33.0 MPa≥ 22.0 MPa
28-Day Compressive Strength≥ 53.0 MPa≥ 43.0 MPa≥ 33.0 MPa
Initial Setting Time≥ 30 mins≥ 30 mins≥ 30 mins
Final Setting Time≤ 600 mins≤ 600 mins≤ 600 mins
Fineness (Blaine m²/kg)≥ 225≥ 225≥ 300
Soundness (Le Chatelier)≤ 10 mm≤ 10 mm≤ 10 mm
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