Magnesia requires a new approach to sourcing and trading
In keeping with the theme of change, Cofermin introduced its new magnesia trading arm IMagine, calling for a new approach
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Refractories/Insulation
No more cheap magnesia from China
There is considerable focus on the ramifications of the pandemic and ongoing issues surrounding Chinese magnesia supply. Since 2019, while
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RHI Magnesita leads refractories recycling project
RHI Magnesita chief executive officer Stefan Borgas said “On average, 60% of all spent refractories generated by refractory-consuming industries go
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RHI Magnesita leads refractories recycling project
AUSTRIA – RHI Magnesita is heading a European Union Horizon project called ReSoURCE. The project seeks to develop a sensor-based
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Imerys opens calcium aluminate binder plant
INDIA – Imerys has inaugurated a 30,000t/yr calcium aluminate binder plant at Atchatapuram in Andhra Pradesh. The Hindu newspaper has
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Direct pouring on automatic high-pressure green sand moulding line
Foundrymen are often faced with the problem of finding a suitable casting and feeding technique for castings that are difficult
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A solution to rapid changes of nozzle size in bottom pour applications
When using stopper and nozzle technologies for bottom pouring applications it may be desirable to change nozzle diameters between fills
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Coating innovation – the new fast dry water based coating
Almost all foundries supplying the automotive industry have now switched to the use of water based coatings. This is state
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Newcastle blast furnace: 5 382 carbon blocks, 14 047 refractory bricks
ArcelorMittal South Africa average capacity utilisation decreased from 59% in the 2021 comparable period to 42% in 2022 and should
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High grade refractory bauxite from Bonasika Mine in Guyana
First Bauxite produces high grade, low impurity bauxite with raw ore alumina contents at 63% and, when sintered, up to
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New metallic anchoring system incorporated within ceramic-fiber modules
Thermal conductivity of the overall metallic anchoring “system” incorporated within modules is very important factor. Except for module anchors that
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RHI Magnesita and Horn to create refractories recycling platform
RHI Magnesita and the Horn & Co. Group have announced their agreement to combine their recycling activities in Europe to
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Refractories for Reheating Furnaces
A suitable selection of the refractories for the lining of the reheating furnace can only be made with an accurate
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Refractories in nutshell
Refractories are inorganic, nonmetallic, porous and heterogeneous materials composed of thermally stable mineral aggregates, a binder phase and additives. They
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Predicting blast furnace reline timing
Blast furnaces are highly complex pieces of equipment that involve the transformation, interaction and flow of liquids, solids and gasses
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China produces 82% of the world’s graphite in 2021
Based on the U.S. Geological Survey (USGS), in 2021, global production of natural graphite was estimated to have increased by
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Imerys increases prices for its refractory products from 1 January 2022
For the last 2 years, the global supply chain crisis in refractory raw materials has created unique challenges across the
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RHI Magnesita opens its new Indian regional research and development centre
INDIA – RHI Magnesita has opened its new Indian regional research and development centre. The centre is its fifth of its
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World’s trade and demand for dead burned and fused magnesia
World nameplate capacity for magnesia is estimated at 26.1m tpa in 2020. China, with an estimated capacity of 18.6m tpa,
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Refractories industry: significant recovery in first half of 2021
Global markets for refractories were already relatively low before the pandemic hit the planet and a poor performance in some
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Preheater refractory material damage causes kiln outage
Dangote Cement SA (“Sephaku Cement” or “SepCem”) has experienced a further kiln stoppage, unrelated to the previous event announced on
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Greater use of alumina refractories reduced demand for calcined bauxite
In the supply side of refractory bauxite, key highlights include continuing uncertainty about Chinese supply, existing Guyanese production expanding, new
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REFORMS: Will Chinese magnesia production emerge stronger?
Chinese magnesia production is poised to emerge the stronger. The four key areas envisioned for strengthening China’s magnesia industry are
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Insimbi shows record results for 6 months ended 31 August 2021
Historically Insimbi Industrial Holdings had higher earnings in the first half of the year than the second half, some years
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Refractory grade accounts for only 0.2% of chromite market
According to Roskill, the non-mettallurgical chromite market share is as follows: speciality grade markets make up a niche 4% share
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Refractories remain a primary market outlet for graphite
Although refractories remain a primary market outlet for graphite, the evolution and high growth potential of graphite anodes in lithium
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Andalusite supply depends mainly on South Africa
Andalusite is an aluminium nesosilicate mineral with the chemical formula Al₂SiO₅. Andalusite has a number of useful physical properties. It
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Refractories in Transition: Global Outlook 2021
Carol Jackson, Chair of the World Refractories Association (WRA), says at the start of the pandemic in early 2020, many policymakers
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Carbon-free steelmaking requires refractories reformulation
Steel and cement producers are planning for increased carbon capture (use) and storage (CC(U)S), and alternative fuels; particularly hydrogen and
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Chinese refractory grade bauxite and magnesite in short supply
Since 2017, non-metallurgical bauxite supply has significantly changed in China due to environmental protection regulations and activities which will continue
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