With a minimum guaranteed strength of 48 MPa, JK Lakshmi Cement PPC (Blended) exceeds the standards set by BIS. Many cement brands recommended using BIS for grading of PPC just like grading of OPC. Strength Beyond. PPC is manufactured either by inter-grinding Portland cement clinker, gypsum and fly ash obtained from thermal power plants or by intimately blending OPC and fly ash. Save my name, email, and website in this browser for the next time I comment. Know more about the difference, grade of both cement … Grades mentioned in the cement bags as 53/43 grade OPC/PPC in fact represent the strength of the cement. Cement is made by heating limestone (calcium carbonate) with small quantities of other materials (such as clay) to 1450°C in a kiln. 3) Generally, a Portland pozzolana cement consumes the calcium hydroxide and does not produce calcium hydroxide as much as that of OPC. These two type of cement differs from each other in terms of component, strength, heat generation, the percentage of several components, durability, grades, cost, eco-friendly nature, application, setting time, curing period etc. About UsPrivacy PolicySitemapGo To Top।. Lets us discuss the difference between OPC and PPC Cement one by one. The initial setting time of OPC is also 30 minutes. PPC BOTCEM 32,5 R CEMENT Product Description BOTCEM 32,5 R is a general purpose cement made by PPC. It is not favorable in aggressive weather. Pozzolana is an artificial or natural material which has silica in it in a reactive form. OPC generates more heat during the hydration reaction which makes it less suitable for mass concreting. As per BIS( before of Indian standards), OPC is available in 33 Grades, 43 Grades, 53 Grades. Strength of cement is the most important of all the cement properties. PPC SURECEM 32,5 R CEMENT IS A GENERAL PURPOSE CEMENT THAT IS IDEAL FOR CONCRETE, MORTAR, PLASTER AND BRICKS. But if the weather is hot then OPC need 10 days and ppc required minimum 14 days. According to design and time required for structure both OPC and PPC are used in construction and both of them have their own advantage and disadvantage. It can be used for structural members like, slabs, beam and columns. In case, if portland pozzolana cement is manufactured by using the right type of reactive pozzolanic material, the Portland pozzolanic cement will similar to ordinary Portland cement except for the rate of gaining strength early up to 7 days. Cement is made by heating limestone (calcium carbonate) with small quantities of other materials (such as clay) to 1450°C in a kiln. While compressive strength does not only depend on W/C, but also there are many factors that influence the strength of mortar, such as cement strength class and sand/cement ratio (S/C). Clinker is inter-ground with gypsum and an appropriate amount of extender. Unit Weight of sand in different unit like kg/m3, kn/m3, kg/ft3, g/cm3, cft, 1m3 of concrete material cement sand aggregate and water, What is the RCC beam construction cost per sq ft in India…, What is the cost of brick wall construction per square foot…, Unit Weight of sand in different unit like kg/m3, kn/m3,…, 1m3 of concrete material cement sand aggregate and water…, What is the minimum grade of concrete for RCC work?…, PCC ratio for flooring footing Foundation & basement…. 6) Reduction in permeability of Portland pozzolana cement offers many other & bound advantages. PPC is a green material which contributes towards sustainable development. As per India Standard the PPC cement strength is considered equivalent to 53 grade OPC cement. This cement has good resistance to chemical agencies like sulphate. PPC prod brochure portrait 2017_1.indd 12 2017/04/11 3:09:53 PM. Required fields are marked *. Hydroxide in one-year-old OPC paste was found to be only 8.4 percent calcium hydroxide in a and leaching also a certain reduction in calcium hydroxide may have taken place. Using PPC with OPC has greater advantages if proper types of reactive materials are used in manufacturing of PPC. In many area of world the PPC is graded similarly to OPC depending upon their compressive strength, at 28 days. PPC cement has long term density and strength compared to OPC. Your email address will not be published. How many bags of cement required for 100 sq ft brickwork? SURECEM, (previously known as IDM) is an... Find out more. Initial strength is low but final strength is similar to that of OPC 33 7) Fly ash used in PPC is lightweight and has less density, the bulk volume of 50 kg bag is slightly more than OPC. The Portland name is historical place islet of portland in Dorset of England which have large amount of natural cement as Portland stone which are used to formed Portland cement,its beginning in the middle of the 18th century in Britain. 2) strength :- as we know PPC cement require more time to gain its strength, in 3 days of intial construction its compressive strength is 13MPa, in 7 days 22 MPa , in 28 days 33 MPa. The cost of OPC is more than PPC . can be obtained from the PPC Cement o˛ce on (0800) 236 368. cm. PPC is a variation of OPC. You should know that if the cement posses more heat in less time, then it cannot be used for mass concrete or huge construction like, dam, bridge, etc. Ambuja branded it as Powercem. PPC is normal cement avaliable in market which gives minimum compressive strength of 33 (Mpa or N/mm2) on 28 days of curing. Grade 53 cement is used for fast paced construction like bridges, roads, multistoried buildings and cold weather concrete. A leading supplier of materials and solutions into the basic services sector in southern Africa, PPC has 11 cement factories in South Africa, Botswana, DRC, Ethiopia, Rwanda and Zimbabwe. PPC Surebuild Cement 42,5 N with extra strength makes 15% more concrete than regular 32,5 general purpose cements. So if you are a civil engineering student this is the best platform where you can improve your knowledge. Many cement brands recommended using BIS for grading of PPC just like grading of OPC. So, it is recommended for structures where props are to be removed early. Calcium hydroxide + Pozzolana + water — > C – S – H (gel). Pozzolana was first found at Puteoli near Naples where huge amount of bed of pozzolana found in Italy, natural pozzolana is composed mainly of a fine chocolate-red volcanic earth. 7. Concrete types were made from ordinary Portland cement (OPC), Portland pozzolana cement (PPC), and Portland slag cement (PSC). The dilemma is that in case of not getting strength 43- MPa/53- MPa, consumer can not reject the PPC and in any case he is to use the supplied cement having minimum 7 days compressive strength, 220 kg/sq.cm and 28 days compressive strength, 330 kg/sq. after 28 days. In 28 days OPC achieve compressive strength of 55 N/mm 2. All these materials are mixed in fixed proportion and heated in kiln to form klinkers, which are then grinded  to required fineness to obtain OPC and PPC Cement. The composition of PPC SUREBUILD Cement 42,5 N varies with source factory and … PPC’s capacity is around eleven and a half million tonnes of cement products each year. The concrete made with OPC has lower workability, where the concrete made with PPC has higher workability. Concrete types were made from ordinary Portland cement (OPC), Portland pozzolana cement (PPC), and Portland slag cement (PSC). The strength property of PPC are little higher to that ordinary Portland cement. Ordinary Portland cement is the most common type of cement and is a basic ingredient of concrete & mortar. PPC cement doesn't gain strength more than OPC cement. This cement is suitable for hydraulic works, construction in seawater, and for mass concrete works. Applications Typical applications are concrete, mortar, plaster and bricks. Magnesia should not be present more than 2% in cement. PPC can be used for all type of construction like, structure, residential and commercial building. 4) It produce heat of hydration and that too at a low rate. The quantity of PPC required in making the concrete is less when compared to OPC. The strength of concrete at 7 days is only 60–65% of design strength depending on external conditions. As per the Bureau of Indian Standards (BIS), the grade number of a cement highlights the minimum compressive strength that the cement is expected to attain within 28 days. If it’s your own house building requirement go for PPC cement, if the contractor or builder insisting more, go for OPC in slab, colum, beam. It is made from high quality raw materials. Use of PPC would be particularly suitable for following situations: ii) For mass concrete structures like dam, bridge pier and thick foundation; d) For sewers and sewage disposal works etc. There are two main types of cement available, and choosing the right type of cement determines the quality of the construction. So, it can be used for mass concreting. Recently, the Unites Kingdom has increased the fly ash content in PPC in BIS from 10-25% to 15-35%. What is the RCC beam construction cost per sq ft in India. The row materials used for manufacture of OPC are calcareous materials containing lime stone which is 60 to 70%. Gypsum is as an additive to increase the setting time of the cement to a workable 30 minutes or more.. OPC Cement gives high compressive strength at early ages and at 28 days. To get update of latest post signup below by giving you email address. As per India Standard the PPC cement strength is considered equivalent to 53 grade OPC cement. Strength : It has a higher strength than OPC over a long period of time. Ambuja developed an innovative way of using fly ash to produce high strength Portland Pozzolana Cement (PPC) and branded it as Ambuja Buildcem which helps in building strong and durable structures. But, actually only 8.4% has remained in it which goes to prove that 5.6% of calcium hydroxide was converted by the pozzolanic activity. Many cement brands recommended using BIS for grading of PPC just like grading of OPC. 11.67 days. Since PPC contains pozzolanic materials, it helps to enhance the strength of concrete. All the available OPCs and PPCs, irrespective of marking on their bags have 28 days strength above 400 kg/sq. bbs of beam reinforcement and steel quantity calculation, Steel calculation for beam and beam reinforcement detail, Types of cement in India | Cement used for construction. PPC Africa | 39,921 followers on LinkedIn. after 28 days while Grade 43 cement achieves strength of 430kg/sq. As per India Standard the PPC cement strength is considered equivalent to 53 grade OPC cement. Both of the cement OPC and PPC are used according to their features and application. Generally when PCC cement is used in formation of concrete produce lesser heat of hydration and offer greater resistance to the attack of aggressive waters than ordinary Portland cement. The initial strength of ordinary Portland cement is higher than Portland pozzolana cement whereas the long-term strength of Portland pozzolana cement is higher than that of ordinary Portland cement so it’s pretty clear now if you need high strength at the initial stage then go for OPC. Motivation; Willingness to go the extra mile and add value Clinker is inter-ground with gysum to manufacture a premium high early strength cement. On the other hand PPC is less permeable. cm . The initial strength of OPC is higher than PPC. This cement concrete requires normal curing as heat of hydration is lower. In 28 days PPC achieve compressive strength of 56.5 N/mm 2. .The full form of PCC is Portland pozzolana Cement. The rate of strength development is lower than OPC. OPC cleankers  70-75%, Gypsum  3 to 5 % and pozzolanic material 10 -25% which may be fly ash, volcanic rocks, pumicites, clay and shale. That’s why Portland pozzolana cement offers a larger volume of mortar than OPC. This cement is suitable for normal construction works. It acts as a flux. They also suggested using a higher amount of fly ash content from 25% to 35%. workability, as this will reduce the strength PPC prod brochure portrait 2017_1.indd 11 2017/04/11 3:09:52 PM. The main differences between OPC and PPC are written below. Now a days, PPC is used as a substitute of Ordinary Portland Cement (OPC Cement). Iron oxide imparts color to cement. 1.2 Disadvantages of PPC: Reduction in alkanity reduces the resistance to corrosion of steel reinforcement; Curing period is less for PPC due to that may have chances for un hydrated cement concrete; Due to the more fineness proper handling should be done; Earliest strength gain is less; When compared to the OPC setting time is less for PPC; 2. PPC Africa | 39,921 followers on LinkedIn. Hence it offers, abounds durability characteristics, particularly in hydraulic structures and marine construction. Where in case of PPC cement, hydration process takes longer time and produces less heat during hydration. 3. Strength Beyond Existence. However, the ultimate, long-term strength of PPC is better compared to OPC 53. PPC has comprehensively equipped chemical, cement and concrete laboratories and can supply specifi c information and assistance regarding cement and concrete technology. But for long term strength , Portland Pozzolana Cement is higher than Ordinary Portland Cement. OPC is most commonly used cement in construction, higher grade loke M53 grade is not recommended for plastering it may develop shrinkage cracks due to its high strength. So, curing cost is less in OPC cement. 6. So, it helps to better finishing of concrete. A artificial Pozzolanic ingredient in PPC cement is fly ash essential material includes the siliceous or aluminous material which itself does not possess any cementitious and binding properties, it is finely divided form and in the presence of water react with calcium hydroxide liberated in the hydration process which is performed at normal temperature to form compounds Possessing cement properties. Nowadays PPC is used as a substitute of ordinary Portland cement. They also suggested using a higher amount of fly ash content from 25% to 35%. The silicate formation of PPC continues even after the rate of hydration of ordinary cement slows down. PPC’s SURECEM 32,5 R CEMENT … So if you looking for high strength cement go for OPC. 1) setting time of PPC cement is more than ordinary Portland cement,it again little strength in beginning of construction but final strength is much high, its Initial setting time is 1/2 an hour and final setting time is about 10 an hour. It is usually used for mass concrete works, marine works, dams, huge foundations, roads, bridges, and flyovers, etc. Finiteness : PPC has finiteness of 300sqm/kg. Strength Beyond PPC Newlands Riebeek Bergmarathon Going Beyond. Mortar The following table shows the typical mortar yield per bag of PPC SUREBUILD 42,5 N or IDM 32,5 cement when mixed according to the mix proportions on the back of the bag. 25 days. Otherwise it may generate cracks in the structure. If design mix is opted , the laboratory does consider the exact strength available from the specific brand/ grade of cement being deployed . Pozzolana materials are added to the cement in the ratio of 15% to 35% by weight. Now that you have understood the 2 types of cement which are generally used for house construction. It can also resist attack by seawater better than OPC. Call Us Today for FREE … OPC has finiteness of 225 sqm/kg. Pozzolana materials namely fly ash, volcanic ash, are added to the OPC so that it becomes PPC… IS codes used for OPC 43 grades cement is IS 8112. and for 53 grades of cement  IS 12269 is used. Both OPC and PPC are commonly used Cement in construction and both have their pros and cons. PPC SUREBUILD 42,5 N CEMENT SUREBUILD IS A PREMIUM GENERAL PURPOSE CEMENT THAT IS IDEAL FOR GENERAL BUILDING OPERATIONS, STRUCTURAL CONCRETE AND THE MANUFACTURE OF CEMENT-BASED PRODUCTS. * Both type of cement are best in their own respective usage conditions * PPC * * PPC is normal cement avaliable in market which gives minimum compressive strength of 33 (Mpa or N/mm2) on 28 days of curing. In the case of OPC hydration process takes less time for completion and it produces more heat than PPC. Why PPC (Blended) With features like super-strength, higher fineness and corrosion resistance, JK Lakshmi Cement PPC (Blended) would be the ideal choice for your cement requirement. Moreover, it reduces the leaching of calcium hydroxide when used in hydraulic structures. Copyright © 2020 CivilSir From the above data we can conclude that initial strength of OPC cement is higher than PPC cement. It has more final setting time. This cement has good resistance to chemical agencies like sulphate. In the United Kingdom, it is known as pulverized fuel ash so fly ash and pulverized ash both are same. PPC is available in one grade and its strength … Pozzolana materials such as fly ash, calcined clay, and volcanic ash are added to OPC, and the result leads to PPC. 5. The process of spreading water over concrete after it casted in formwork to gain required strength is known as curing. What is the cost of brick wall construction per square foot in India? Grade 53 cement achieves strength of 530kg/sq. 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Otherwise go for OPC curing but PPC cement will be last longer ppc cement strength is an ordinary cement! Strength PPC prod brochure portrait 2017_1.indd 11 2017/04/11 3:09:52 PM the design mix fuel ash fly...