INSEE Mahaweli Marine

INSEE MAHAWELI MARINE Cement is an Ordinary Portland Cement (OPC) produced with high quality Grade One clinker and specially developed additives, best used in general purpose concrete applications.

A pioneering product in the local construction industry since 1980 and used in the construction of Victoria Dam and the Mahaweli Development Programme, INSEE MAHAWELI MARINE is today, the best choice in the local OPC market with guaranteed consistent quality and versatility for day-to-day concreting applications.

Fact File

Name :INSEE MAHAWELI MARINE
Type :Ordinary Portland Cement
Sri Lankan Standard :SLS 107:2015
Strength Class :42.5N
Properties

PROPERTYSLS 107 : 2015
REQUIREMENT
INSEE MAHAWELI MARINE
AVERAGE
PHYSICAL PROPERTIES
Compressive Strength (2 days)≥ 10 N/mm2>25
Compressive Strength (28 days)42.5 – 62.5 N/mm2≥ 52
Setting Time≥ 60 minutes130 – 150 minutes
FinenessNot Specified in Standard330 – 340 m2/kg
Soundness< 10 mm< 1 mm
Relative DensityNot specified in standard3.13
CHEMICAL PROPERTIES
SO3≤ 3.0 %2.5 +/- 0.2 %
Chloride≤ 0.10 %< 0.08%
LOI≤ 5.0 %< 4.0%
IR≤ 5.0 %< 3.0%
An average of internal test results.
Compatibility

INSEE MAHAWELI MARINE is compatible with:

  • Chemical Admixtures complying with BS EN 450-1:2014 and ASTM C494
  • Ground Granulated Blast Furnace Slag (GGBS) complying with BS EN 15167-1:2006
  • Silica Fume complying with BS EN 934-2:2005+A1:2009
  • Manufactured Sand (M-Sand) complying with BS EN 12620:2013
  • Natural Sand, Quarry Sand and Offshore Sand complying with BS EN 12620:2013
  • Fly Ash complying with BS EN 450-1
Applications

INSEE MAHAWELI MARINE is used for:

  • All structural concrete works
  • Day-one strength applications
  • Fast track construction projects that require stripping/striking of formwork
  • High strength concrete
  • Pre-stressed and Post-tensioned concrete applications
  • Precision grouts, repairs and formulated cement products

Features and Benefits


INSEE MAHAWELI MARINE cement is ideal for a wide range of standard uses as a general purpose concrete. It can be utilized for small-scale concrete jobs, mortar applications, foundations and small-scale structural applications in homes and / or construction sites. Also suitable for small slabs, driveways, footpaths and general repair work. INSEE MAHAWELI MARINE is also compatible with most admixtures and supplementary cementitious material.

A wide range of tests and equipment to assess fresh and hardened concrete properties

  • Specified Tests for Self-Compacting Concrete
    • Flow Table Test – BS EN 12350-5:2019
    • J-Ring Test – BS EN 12350-12:2010
    • V Funnel – BS EN 12350-09:2010
    • L Box – EN 12350
  • Slump test – BS EN 12350-2 and ASTM C143
  • Density of fresh concrete – ASTM C138
  • Air content in fresh concrete – ASTM 231
  • Concrete bleeding – ASTM 232
  • Concrete setting time – ASTM C403
  • Compressive Strength up to 180 MPa – Testing Machines (3000 & 4000KN) – Double the existing strength standards in Sri Lanka
  • NDT for Compressive Strength up to 130 MPa – Impact Rebound Hammers – Double the existing equipment capacity in Sri Lanka
  • Flexural Strength – ASTM C78 / BS EN 12390-5-2019
  • Splitting Resistance – ASTM C-496 / EN 12390-6 / EN 1338
  • Concrete Specimen Grinding Machine – BS EN 12390-2 2019/ ASTM D4543

A wide range of tests and equipment to assess and ensure your aggregate grade meets the demand and requirement of your concrete.

  • INSEE Measurement Tools
    • INSEE Blue™ – Assess clay content as key quality indicator for manufactured and natural pit sand
    • INSEE Shape™ – Assess the grain shape particles as key quality indicator for manufactured sand
  • Coarse and fine aggregate particles size distribution – ASTM C136 / C136M – 19 & BS EN 933-1
  • Relative Density and Absorption of Coarse Aggregates – ASTM C127-12
  • Aggregate Impact Value (AIV) – BS EN 1097-2:2010
  • Flakiness Index & Elongation Index – BS EN 933-3:2012
  • Soundness Test of Aggregates – SN EN 206-1
  • Aggregate Crushing Value (ACV)- BS EN 1097-2:2010
  • Los Angeles Abrasion Test – ASTM C 131-06

A range of tests to assess properties of fresh concrete that go beyond the traditional ‘slump test’, improving the quality and consistency of concrete.

  • INSEE Measurement Tools
    • INSEE Flow™
    • INSEE Heat™
    • INSEE Color™
    • INSEE ConTemp™
  • ICAR Rheometer for paste, mortar & concrete toassess pumpability, flow resistance, thickness, slump retention, admixtures compatibility
  • Grout for Pre-Stressing Tendons – BS EN 445 2007
  • Electrical Conductivity for paste & mortar
  • Cementometer™ latest microwave technology for the determination of fresh concrete water to cement w/c ratio

Advanced testing with durability indicators to optimize structural performance and extend the service life of concrete structures exposed to severe environments.

  • Rapid Chloride Permeability Test - ASTM C1202
  • Bulk Electrical Conductivity of Hardened Concrete - ASTM C1760-12
  • Specific Resistivity - RILEM TC154 - AASHTO T358
  • Concrete Carbonation - Swiss SIA 262-1/1 CEN/TS 12390-12
  • O2 Permeability - RILEM 116-PCD CEMBUREAU Method
  • Capillary Water Absorption/ Sorptivity - Swiss SIA 262/1:2013 ASTM C1585-04
  • Initial Surface Absorption (ISAT) - BS 1881 Part 5
  • Water Permeability - EN 12390-8:2000
  • Concrete Sulphate Resistance - SIA 262-1/A