64 ordinary portland cement 50kg bag products are offered for sale by suppliers on Alibaba.com, of which packaging bags accounts for 3%. The name portland cement was given by Joseph Aspdin in 1824 due to its similarity in colour and its quality when it hardens like Portland stone. Each process is explained chemical reactions for manufacture of Portland Cement. Alibaba.com offers 1,108 ordinary portland cement products. It is generally used where high strength is needed such as RCC Bridges, Dams, construction of high rise buildings, construction of sleepers ( for railway), etc. 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. Cement is a greenish grey colored powder, made of calcined mixtures of clay and limestone. April 10, 2018 I Dallas . OPC is one of the most widely used cement variants in general concrete construction work. Portland cement is the basic ingredient of concrete. A wide variety of ordinary portland cement 50kg bag options are available to you, such as recyclable. 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-speciality grout. Other raw materials may include shale, shells and industrial byproducts. Concrete Proportions by Volume. The cement is obtained by burning a mixture of calcareous (calcium) and argillaceous (clay) material at a very high temperature and then grinding the clinker so produced to a fine powder. 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. Portland-limestone cement is engineered with a higher limestone content. This type of cement is an ideal building material for almost all structural work including all kinds of concrete construction. US Cement Industry. A wide variety of ordinary portland cement options are available to you, such as strength grade(mpa), hardening feature, and type. High Early Strength. Cembureau, 2016. ; The name Portland Cement was named by Joseph Aspdin in 1824 due to its similarity in color and its quality when it hardens like Portland stone. Faster de-shuttering of formwork. Paul D. Tennis, Ph.D. Director , Product Standards and Technology. Increases Speed of Construction. Joseph Aspdin first made portland cement in his kitchen stove in England in the 19th century. We offer Ordinary Portland Cement (OPC) that is used in all general constructions, especially in major and prestigious projects where cement is needed to meet stringent quality requirements. US Cement Plants. Cement, commonly used for normal construction work, is known as Ordinary Portland Cement.However, for use under specific conditions a variety of Ordinary portland cement and its composition are available these days. Ordinary Portland cement (OPC) OPC is a general purpose Portland cement suitable for all uses where the special properties of other types are not required. Portland cement, binding material in the form of a finely ground powder, usually gray, that is manufactured by burning and grinding a mixture of limestone and clay or limestone and shale.The inventor Joseph Aspdin, of England, patented the basic process in 1824, naming it for the resemblance of the cement when set to portland stone, a limestone from the Isle of Portland. Portland stone is white grey limestone in island of Portland, Dorset. Ordinary portland cement (OPC ) is a hydraulic cement produced by pulverizing clinker consisting essentially of hydraulic calcium silicates, usually containing one or more of the forms of the calcium sulfate as an interground addition. Ordinary Portland Cement Back to Home. The most versatile cement product used for a wide range of applications, including general civil engineering and construction works, smaller works and plastering mortar. CEM 1 Portland Cement CEM I Bulk Portland cements are the most widely specified in the UK. Advent of this grade in the country owes it to the improved technology adopted by modern cement plants. Ordinary Portland Cement Ordinary Portland Cement is one of the most widely used type of Portland Cement. OPC is just cement, the one we used today in construction. Ordinary Portland Cement (OPC) Market Size And Forecast. He patented it as Portland cement. According to Verified Market Research, Global Ordinary Portland Cement (OPC) Market is growing at a faster pace with substantial growth rates over the last few years and is estimated that the market … Double Bull Ordinary Portland Cement (OPC–43) is a specially designed multipurpose cement which ensures strength and durability of structures. Ordinary Portland Cement (OPC): Overview. PLC gives specifiers, architects, engineers, producers, and designers a greener way to execute any structure, paving, or geotech project, with virtually no modifications to mix design or placing procedures. UltraTech's products include Ordinary Portland cement, Portland Pozzolana cement and Portland blast-furnace slag cement. Raw materials for the manufacture of Portland cement are found in nearly all countries. What is Ordinary Portland Cement? Ordinary Portland Cement is compatible/consumable with admixture/ retarders, etc. Applications. Crown Portland Composite Cement is CEM-II/A-M which is a cement consisting of Clinker, Gypsum, Pulverized Fuel Ash (PFA), Blast Furnance Slag and Limestone designated by the specifications of BDS EN 197-1: 2003; CEM -II/A-M (V-S-L), 42.5 N. PCC is the most suitable cement for constructions in … There are 2 suppliers who sells ordinary portland cement 50kg bag on Alibaba.com, mainly located in Asia. UltraTech cement is the ultimate 360° building materials destination, providing an array of products ranging from grey cement to white cement, from building products to … Portland cement can be made by following two different processes – a dry one and a wet one. Quick Setting Properties. Cement is a commonly used binding material in the construction. ; Portland Cement is a fine powder that when mixed with water becomes the binding material that holds aggregates together in … 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. Ordinary portland cement and its composition. Ordinary Portland Cement is suitable for general purpose buildings, shot concrete, civil engineering works, etc. It is commonly used in general concrete construction when there is no exposure to sulphates in the soil or groundwater. Ordinary Portland Cement (OPC) Ordinary Portland Cement (OPC) is one of the most widely used types of Portland cement. 53 Grade Ordinary Portland Cement (OPC 53) This grade was introduced in the country by BIS in the year 1987 and commercial production started from 1991. The chief chemical components of ordinary Portland cement are: Calcium, Silica, Alumina, Iron. Ordinary Portland Cement (OPC) Prior to 2007, Ordinary Portland Cement (OPC) was the most commonly used cement for general purpose applications. Applications: Specialised construction work like bridges, highways, flyovers, culverts, buildings, slip form work; All type of plan and RCC work 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. Cement is a very fine powdered material which on reaction with water forms a paste that has the properties of adhesion and cohesion and on hardening binds aggregates together to form a hard durable compact mass. Ordinary Portland Cement is prepared by a fully-automated, dry manufacturing process using state of the art technology under strict quality assurance at all stages of manufacturing with the help of the "ROBOTIC (POLAB)" system. The chief compound which usually form in process of mixing: Types of portland cement. 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. Physical requirements of OPC 53 Grade Cement: 1. Testing result (example) The 53 Grade portland cement is not used for ordinary construction works. The Ordinary Portland Cement offered by us, is made from the best lime stone thus ensure superior quality. CEM I is pure (100%) OPC (Ordinary Portland Cement) CEM II is a mixture of OPC and additives such as fly ash, slag or limestone, up to a maximum additive content of 35%. Fineness- About 22% of these are Cement. Ordinary Portland Cement. It is used where cement or concrete is not subject to specific exposures, such as sulfate attack from soil or water, or to an objectionable temperature rise due to heat generated by hydration. World Cement Production 2015. Ordinary Portland Cement OPC is one of the most commonly and widely used type of cement in the world. Ordinary Portland Cement (OPC) is one of the most popular building materials used all across the globe. Calcium is usually derived from limestone, marl or chalk while silica, alumina and iron come from the sands, clays & iron ores. Types of Cement - CEM. Applications. Ordinary Portland Cement is made primarily from calcareous and argillaceous materials, such as limestone or chalk, and from aluminum oxide, silica oxide, ferric oxide and magnesium oxide found as clay or shale. There are 5 types of cement : CEM I, II, III, IV, V. For general construction use only types I and II are relevant. It can also be used in concrete mortars and grouts, etc. Manufacturing of cement involves various raw materials and processes. Five types of portland cement are standardized in the United States by the American Society for Testing and Materials (ASTM): ordinary (Type I), modified (Type II), high-early-strength (Type III), low-heat (Type IV), and sulfate-resistant (Type V). Anything But Ordinary. The original “general purpose” product, 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. It was first produced by a mason Joseph Aspdin in England in 1924. Lime and silica make up approximately 85% of portland cement. Proportion Flexibility. There is a fascinating story behind the naming of this widely used cement product. 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