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Cement

New technology to significantly reduce cement production emissions

22nd October 2021 A new solution developed by VTT Technical Research Centre of Finland and its partners, could result in significant reductions in carbon dioxide (CO2) emissions in the production of cement and quicklime. As one of the ingredients for concrete, cement is the world's most widely used building... →

Technical expertise and experience key to quality aggregates

22nd October 2021 Ensuring the right aggregate for specific applications is key to successful projects, says construction materials supplier AfriSam. “The value of the right aggregate for the task cannot be overstated, as it affects all aspects of project success – from safety and longevity to cost-effectiveness... →

AfriSam supplies quality aggregates to the construction sector

Centre strives to ensure quality concrete

1st October 2021 The AfriSam Centre for Product Excellence (CPE) supports the continuous improvement of the company’s range of technology and offerings in cement and construction materials and also offers a service to customers and the broader construction sector. “Our product development team works closely with... →

AfriSam’s Centre for Product Excellence acts as an independent testing agency for customers

Concrete admixtures help save water

22nd September 2021 Water-reducing admixtures for concrete can be used to help contractors support water conservation efforts, which are seen as particularly important in a water-scarce country such as South Africa. Chryso highlights that its admixtures were used to reduce water and improve workability during the... →

Image of CHRYSO’s Profilm 19 evaporation reducer that helps control evaporation

CHRYSO’s Profilm 19 evaporation reducer helps control evaporation

Quality cement helps save infrastructure costs

9th September 2021 By ensuring that a high quality of cement is used in infrastructure, South Africa is investing for a stronger future, according to AfriSam sales and marketing executive Richard Tomes. The company offers a range of cements developed for specific applications, such as its All Purpose Cement that... →

AfriSam cement being used in a large infrastructure project

Software monitors concrete strength

3rd September 2021 Concrete strength can be difficult to estimate, as it does not always develop at the same speed – with temperature and weather conditions affecting how fast or slow the strength of a structure develops. Having insight into the strength of concrete helps contractors determine when the concrete can... →

Image of CHRYSO’s Maturix software solution that enables the maturity of concrete to be measured on site

CHRYSO’s Maturix software solution enables the maturity of concrete to be measured on site

Environment-conscious management of readymix waste

20th August 2021 The challenge for the readymix industry to manage waste in an environmentally sensitive and sustainable way requires innovative solutions that focus on ensuring the health and safety of people and the planet. Sustainability hurdles faced by the sector include returned concrete, grey water,... →

Image of AfriSam readymix operations channellinh grey water into settling pits

AfriSam readymix operations channel grey water into settling pits

Admixtures support transition towards low-carbon economy

28th July 2021 A new range of admixtures aims to support South African contractors to reduce their carbon footprint. A key feature of the admixture range is that it allows for better utilisation of mixes that incorporate high volumes of pozzolans such as fly ash. CHRYSO asserts that its EnviroMix range of... →

Image of concrete and vegetation to illustrate that The CHRYSO EnviroMix range of admixtures allows for reduced environmental impact from concrete mix designs

The CHRYSO EnviroMix range of admixtures allows for reduced environmental impact from concrete mix designs

Admixtures aid concrete finishing in colder temperatures

2nd July 2021 Colder winter temperatures can cause delays in concrete strength development and finishing, which can prove challenging for contractors and precast production plants. The problem can be overcome with the use of accelerators, which are categorised as chloride and non-chloride based. The CHRYSO Xel... →

CHRYSO Alpha Block C565 accelerates and plasticises dry concrete mixes

Pioneering pavement concrete

14th May 2021 An innovative concrete pavement solution, hailed as the future of hard stands, was recently launched in South Africa. It combines the volumetric retraction stability (VRS) additive Link EVR from RCR Industrial Flooring, thin concrete paving (TCP) short-slab design technology and fibre-reinforced... →

Power floating and finishing of a concrete hardstand

Concrete efflorescence addressed

26th March 2021 Efflorescence is caused by soluble salts migrating through concrete via capillary action, resulting in a white, chalky substance being deposited on the surfaces of concrete. Preventing the emergence of this aesthetic problem is seen as a key concern for project managers and contractors. A new... →

CHRYSO Alpha Color 600 prevents efflorescence on concrete

Solution to prevent concrete cracking

12th February 2021 The rapid evaporation of surface moisture from concrete can cause map cracking and plastic shrinkage, where cracks can penetrate to the full depth of a concrete slab. This may occur in hot and windy conditions or in low humidity conditions, such as inside heated buildings during cold weather.... →

Profilm 19 from CHRYSO Southern Africa is designed to prevent concrete cracking

Environment-friendly cement production in SA

25th November 2020 The local cement sector has been hailed for making significant progress in reducing its carbon footprint and producing more environment-friendly cement. Recent research by local cement producer AfriSam, has shown that the use of fly ash and ground granulated blast furnace slag (GGBFS) in cement... →

AfriSam manufactures cement with up to 70% GGBFS

Smoothing the application of concrete floor finishes

11th September 2020 A new product aims to ensure easier finishing of concrete surfaces by troweling or floating, saving both time and money while achieving quality finishes. The success of a durable and functional floor is said to lie in the ability to produce a quality finish, typically characterised by a smooth... →

CHRYSO FiniSafe can be used for varioius applications

Locally produced plaster for local conditions

14th August 2020 A South African gypsum producer has developed a new and locally-produced line of finishing plaster, skimming plaster and joining plaster for the construction sector. The product is expected to largely replace imported finishing plaster products which may not be as well suited to local conditions.... →

Metacote finishing plaster, skimming plaster and joining plaster produced by OMV

Application-driven release agents bring flexibility to the concrete industry

26th June 2020 Formwork is recognised as a crucial aspect of the production of quality concrete, and moulds are similarly key in the manufacture of precast elements. To achieve the desired aesthetics of concrete finishes, such as surface texture and colour, formwork surfaces require adequate preparation in... →

CHRYSO offers a range of application-driven formwork release agents

Ready-mix concrete reinforces durable construction of Brakpan reservoir

11th June 2020 The City of Ekurhuleni, as part of a commitment to address water capacity constraints within its region, has embarked on building 29 reservoirs during the period 2018 to 2021. This will see a combined storage capacity of 550 Mℓ being added to the infrastructure. The construction of a new... →

AfriSam ready-mix concrete used in the construction of the new Brakpan reservoir

Finishing products enhance building aesthetics

11th June 2020 A range of supplementary building products aims to provide superior quality to finishes and improved overall aesthetics on building projects. Manufactured from galvanised steel sheet which is expanded into mesh, Mentis Angle Beads are designed for internal and exterior plaster use. Expanded metal... →

Mentis Plaster Stop provides a straight edge and finish for plaster at openings and abutments

Concrete screws hold fast

27th March 2020 An all-inclusive line of stainless steel hex head concrete screws has recently been introduced. The anchor is manufactured from 410 stainless steel with a silver climaseal coating, that aims to provide optimum corrosion-resistance properties. →

The CONFAST stainless steel hex head concrete screw

Dumper swivels in small spaces

6th February 2020 A swivel site dumper designed for small to medium jobsites and crowded or confined areas, has been introduced. The dumper measures 3.95 m in length and 4.41 m in width and features forward and swivel tipping mechanisms, allowing the load to rotate 90° on either side before being tipped. This... →

Battery-converter backpack offers freedom of movement

31st January 2020 Internal vibrators are used in the construction industry to help process concrete as quickly as possible and to make concrete stronger and more resistant. A battery-powered internal vibrator system that aims to allow an operator to work faster, more comfortably and safer, is now available. →

Slipring motor drives cement and mining industries

21st November 2019 A new slipring motor designed and engineered for applications mainly in the cement and mining industries, has been launched. The motor has a power range up to 4.5 MW and can be used in a range of applications including mills, crushers, conveyors and fans. It is designed and dimensioned for... →

Beton Lab

14th November 2019 Civil Engineering Laboratory. Specializing in cement, concrete & aggregate testing. Established in 1999. →

a.b.e. Construction Chemicals

11th November 2019 a.b.e. Concrete Repair and Protection range of products include epoxy and cementitious systems. →

The CHRYSO®Plast Omega range of new generation plasticisers for the readymix concrete market

11th November 2019 An innovative range of plasticisers - the CHRYSO®Plast Omega range is specifically engineered to assist readymix producers to meet their customers’ precise requirements by enabling them to offer a wide scope of concrete mixes. →

Additives used to improve the quality of cement

7th November 2019 Cement additives and grinding aids are used to improve the characteristics of cement and to assist manufacturers in the production of higher-quality cement. Higher-quality cement potentially enables producers to increase throughput, achieve better efficiencies and lower costs per ton of cement sold. →

Extruder offers higher casting speed

10th October 2019 A new model of extruder for hollow-core slab production, has been introduced. The machine will offer high casting speed, second generation automatic compaction control and bouncing prevention. In addition to the standard hollow-core slab production, the new design of the machine will also enable... →

New extruder allows for multi-product casting

Mixer-pump for high-volume gypsum applications

10th September 2019 A mixer-pump with variable speeds from 0 to 18 cubic yards an hour and long-distance and high-volume pumping capabilities, is now available. The pump can be used for gypsum flooring underlayment, grouting, cellular concrete and some wet shotcrete applications. It promises smoother material... →

Polymeric concrete solutions for the mining industry

1st August 2019 Machinery and equipment in the mining industry are often in need of repair and maintenance. The harsh operating environment leads to problems such as abrasion, chemical damage, corrosion, impact and wear. Vibrations in the mining environment can lead to equipment wear and fatigue, resulting in... →

Sensor technology advances bulk flow measurement in cement industry

25th June 2019 The development of sensor technology provides the cement industry with a number of potential solutions, such as lower production costs, improved quality, enhanced tracking accuracy, environment-friendly production and reduced downtime. In particular, non-contact volume flow measurement of... →

Precast concrete slabs speed up housing delivery

19th June 2019 South Africa’s massive backlog in affordable housing has seen a continued demand for precast hollow core concrete slabs. “With rapid urbanisation and the increased premium on land in urban areas, multi-storey residential designs are now the norm,” says Elematic SA director Craig Webber. “This... →

Sand Shifters

1st February 2019 Sand Shifters is a superior supplier of sand, bricks and cement to the construction industry. Our objective is to provide high-quality construction materials to contractors, developers and the general public. We provide a wide range of products and services to meet all construction and plant hire... →

PERI South Africa

6th November 2018 PERI’s products and services are distributed from nine local branches, as well as in Namibia, Botswana, Swaziland, Lesotho, and Mozambique, and extending throughout sub-Saharan Africa. PERI has extensive expertise and experience in the civil infrastructure, architectural, and building sectors,... →

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