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Similarly to the Portland concrete used in civil engineering, water is added to the refractory castables to provide workability and allow molding, pumping, shotcreting or other forms of placement. Water exists within castables in free or combined forms: while free water remains in the pores without reaction with the materials' other ...
Calderys, a subsidiary of Imerys, is a multinational company specialized in producing heat resistant monolithic refractory products. [1] Calderys is headquartered at Issy-Les-Moulineaux on the outskirts of Paris, with over 2,000 employees and 18 plants in more than 30 countries.
In 2004 the company was required to pay a civil penalty of $650,000 for failing to undertake asbestos remediation at a plant in Marelan, Quebec, Canada which it had been ordered to sell to Resco Products, Inc. in 1999. [5] The company completed the takeover of Stopinc AG (Switzerland) in 2012 [6] and bought a majority stake in Orient ...
The Harbison-Walker Refractories Company is a national historic district and historic refractory brick manufacturing complex which is located in Mount Union in Huntingdon County, Pennsylvania. It originated as the Star Firebrick Company on March 7, 1865, with Articles of Association by a group of Pittsburgh and Allegheny residents.
The purpose of the refractory lining is to insulate the steel shell from the high temperatures inside the kiln, and to protect it from the corrosive properties of the process material. It may consist of refractory bricks or cast refractory concrete, or may be absent in zones of the kiln that are below approximately 250 °C (482 °F).
A gas forge typically uses propane or natural gas as the fuel. One common, efficient design uses a cylindrical forge chamber and a burner tube mounted at a right angle to the body. The chamber is typically lined with refractory materials such as a hard castable refractory ceramic or a soft ceramic thermal blanket (ex: Kaowool). The burner mixes ...
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Refractoriness is the property of a refractory's multiphase to reach a specific softening degree at high temperature without load, and is measured with a pyrometric cone equivalent (PCE) test. Refractories are classified as: [2] Super duty: PCE value of 33–38; High duty: PCE value of 30–33; Intermediate duty: PCE value of 28–30
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