portland cement ordinary

  • Ordinary Portland Cement | Standards and Specifications ...

    Ordinary Portland Cement is the most common cement used in general concrete construction when there is no exposure to sulphates in the soil or groundwater. Tiger Cement Limited is one of the best maintained companies for exporting Ordinary Portland Cement from Pakistan and is managed by qualified and expert cement field specialists.

  • Manufacture of Portland Cement- Materials and Process

    The history of cement goes back into Roman Empire. The modern day cement. That is Portland cement was first produced by a British stone mason, Joseph Aspdin in 1824, who cooked cement in his kitchen. He heated a mixture of limestone and clay powder in his kitchen, and grind the mixture into powder creating cement, that hardens when mixed with ...

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  • Difference between Ordinary Portland Cement, Portland ...

    Jan 01, 2018 · Ordinary Portland Cement: – OPC is produced by finely grinding OPC clinker obtained from the cement kilns. This cement on hydration produces C-S-H gel (Calcium – Silicate – Hydrate) Gel, which provides cementation property and is the primarily responsible for strength is cement .

  • Material Safety Data Sheet For PORTLAND CEMENT

    Portland cement is considered to be a hazardous material under the Hazardous Products Act as defined by the Controlled Products regulations (class E - corrosive material) and is therefore subject to the labeling and MSDS requirements of the workplace hazardous materials information system (WHMIS).

  • Portland Cement at Best Price in India

    Ordinary Portland Cement Ordinary Portland cement is the most commonly used cement for a wide range of applications. These applications cover ordinary, standard, high strength concretes, masonry and plastering works, precast concrete products for e.g., blocks, pipes etc., and specialized works such as precast and prestressed concrete.

  • Cement Chemistry - The Concrete Portal

    A typical heat evolution pattern from cement hydration is presented in Figure 1. There are three characteristic peaks for ordinary Portland cement. The initial heat burst corresponds to the instantaneous high rate of heat evolved when cement is brought into contact with water.

  • What is Ordinary Portland cement? - Quora

    Jan 04, 2016 · OPC is just cement, the one we used today in construction. As other has pointed out, it got it name from the Portland (UK) stone which is pretty gray and dark, this they name the cement after it. The OPC is mostly used to distinguish modern cement...

  • Our Products & Packaging - National Cement Share Company

    Currently, the factory supplies two finished cement products, namely: OPC (Ordinary Portland Cement) and PPC (Pozzolanic Portland Cement) both to domestic and export markets. Normally, it packs its products in 50 kg packing polyethylene/paper bags. Depending on special requirements of Customers, it is also currently packing, in what is called ...

  • How Cement Is Made - Portland Cement Association

    Portland cement is the basic ingredient of concrete. Concrete is formed when portland cement creates a paste with water that binds with sand and rock to harden. Cement is manufactured through a closely controlled chemical combination of calcium, silicon, aluminum, iron and other ingredients.

  • What are the advantages and disadvantages of Ordinary ...

    Ordinary Portland Cement sets more quickly, and attains 85% of its maximum strength within 7 days. OPC is most valuable in large construction projects Portland Pozzolana Cement (OPC mixed with fly ...

  • 9 Types of Portland Cement and their Applications - Home ...

    The smaller water-cement ratio also increases the workability of the cement. White Portland Cement It is similar to Type I Portland cement, except that it is white in color. This is achieved by reducing the percentage of iron (C 4 AF) and magnesium oxide, which impart a gray color to ordinary Portland cement. Since it requires additional care ...

  • Safety Data Sheet Portland Cement

    Conforms to HazCom 2012/United States Page 1 of 11 Safety Data Sheet Portland Cement Section 1. Identification GHS product identifier: Portland Cement Chemical name: Calcium compounds, calcium silicate compounds, and other calcium compounds containing .

  • Cement in Bulk Bags - CEMEX USA - CEMEX

    Our cement company most commonly provides the following types and varieties of cement: Gray Ordinary Portland Cement. Our Gray Ordinary Portland Cement is a calcium silicate hydraulic cement produced by pulverizing portland-cement clinker, and usually containing calcium sulfate .

  • Ordinary Portland Cement (OPC) | MP Birla Cement

    Ordinary Portland Cement (BIS CERTIFICATION FOR 33, 43 & 53 Grade AS PER IS: 269-2015) is the most commonly used type of Portland Cement. OPC is a mixture of calcium carbonate, silica, iron, and alumina. Limestone (calcium carbonate) is heated in a kiln with other components.

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  • Portland Cement : A Brief History - The Screed Scientist®

    Rapid-Hardening Portland Cement: This is similar to ordinary Portland cement, except that its particles are more finely ground to facilitate quick reaction with water. It is used when fast strength growth of forms or structures is required.

  • Ordinary Portland Cement - an overview | ScienceDirect Topics

    According to Portland Cement, Ordinary Portland Cement (GB175-1999), the national standard, the strength grades of ordinary cement can be divided into: 32.5, 32.5 R, 42.5, 42.5 R, 52.5, 52.5 R, and their ages should be no less than the numerical value in Table 4.3.The initial setting time of ordinary cement should not be earlier than 45 min, and final setting time should not be later than 10 h.

  • Portland Cement Type I, II, III: Which to use in a ...

    Type I is ordinary Portland cement, and it is available in white or gray. Type II is a moderate sulfate resistant cement, important when concrete is cast against soil that has moderate sulfate levels. Type III is a high early strength cement. It is ground finer and reacts .

  • How to make mortar with portland cement - Answers

    These include gray ordinary Portland cement, well cement, hydraulic cement, as well as bagged cement. There are three different types of cement, Ordinary portland cement Portland pozzolana cement ...

  • Ordinary Portland Cement | CEMEX UAE

    Ordinary Portland Cement are the most widely specified in the UAE. Portland cement is used in various applications, from concrete, mortar and render to the manufacture of pre-cast units such as blocks, bricks, pipes and tiles.

  • Ordinary Portland Cement ( OPC )- Definition, Uses and ...

    Types of Ordinary Portland Cement. The Ordinary portland cement (OPC) was classified into three grades, namely 33 grade, 43 grade and 53 grade depending upon the strength of the cement at 28 days when tested as per IS 4031- 1988.

  • What is Ordinary Portland cement? - Quora

    Jan 04, 2016 · OPC is just cement, the one we used today in construction. As other has pointed out, it got it name from the Portland (UK) stone which is pretty gray and dark, this they name the cement after it. The OPC is mostly used to distinguish modern cement...

  • What is the difference between Portland cement and ...

    May 16, 2017 · Ordinary Cement is the basic component used for concrete, and other common construction essentials that require cement in the mixture. PPC is produced when pozzuolans are used in the mixture. A pozzuolana is a cement extender improving the strengt...

  • The Advantages of Portland-Limestone Cement| Concrete ...

    Aug 12, 2014 · While ordinary portland cement (OPC) may contain up to 5% limestone, PLC contains between 5% and 15% limestone. How is it made, and what's different about it? A metered proportion of crushed, dried limestone is fed to the finish grinding mill, along with clinker and gypsum. In almost all cases, the limestone used in PLC is the same limestone ...

  • Ordinary Portland Cement -Constituents, Properties, Types ...

    Ordinary Portland cement is one of the most widely used type of Cement. Types, properties, constituents, manufacture, uses and advantages of Ordinary Portland Cement is discussed. In 1824 Joseph Aspdin gave the name as Portland cement as it has similarity in colour and quality found in Portland stone, which is a white grey limestone in island

    Author: Fasi Ur Rahman
  • Portland Cement - Types, manufacturing & functions of ...

    May 22, 2013 · Also responsible for grey colour of Ordinary Portland Cement; Manufacturing Of Portland Cement. The 3 primary constituents of the raw materials used in the manufacture of Portland Cement are: a) Lime b) Silica c) Alumina Lime is derived from limestone or chalk Silica & Alumina from clay, shale or bauxite

  • Pros & Cons of Portland Pozzolana Cement (PPC) Over ...

    Today, Cement is the most commonly used cementing material in construction. Cement is the soul of all modern construction. Generally two types of cement are available in market: Ordinary Portland Cement (OPC) and Portland Pozzolana Cement (PPC). Both cement are used in constructions.However some pros and cons of PPC over OPC are listed below.

  • Ordinary Portland Cement (OPC) - National Cement Share .

    The Ordinary Portland Cement (OPC) produced by National Cement is quality cement with 42.5 R Strength Class.. Portland cement is the most common type of cement in general use around the world, used as a basic ingredient of concrete, mortar, stucco, and most non-specialty grout. It is commonly used in general concrete construction when there is no exposure to sulphates in the soil or groundwater.

  • Ordinary Portland Cement | CEMEX UAE

    Ordinary Portland Cement are the most widely specified in the UAE. Portland cement is used in various applications, from concrete, mortar and render to the manufacture of pre-cast units such as blocks, bricks, pipes and tiles.

  • Manufacturing Process of Ordinary Portland Cement (OPC)

    The manufacturing process of Ordinary Portland cement is made primarily from calcareous and argillaceous materials, such as limestone or chalk, and from aluminium oxide, silica oxide, ferric oxide and magnesium oxide found as clay or shale.

  • Portland Cement - an overview | ScienceDirect Topics

    The majority of ordinary Portland cement is Portland cement clinker whose performance is similar to Portland cement. Due to the mixture of a few blended materials, however, the early hardening rate of the Portland cement linker is slow, 3d compressive strength is low, and the frost-resistance and wear-resistance are relatively poor, compared ...

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