Bucher Emhart Glass introduces a new lightweight refractory material


Mullite composition material is used for roof blocks, burner blocks, chimney blocks, and other various shapes, while the new EmLite 30 offers construction of refractory covers with 30 percent lower weight compared to conventional cover materials.

Bucher Emhart Glass introduces a new lightweight refractory material
Bucher Emhart Glass is now able to provide complete refractory solutions for the forehearths, incl. channel blocks, sub- and superstructure and insulation. The 333 channel blocks are available together with high performance mullite superstructure.
Forehearth components are made with high quality, high purity materials. The workhorse material for forehearths is a mullite composition. This material is used for roof blocks, burner blocks, chimney blocks, and other various shapes. If a particular component requires a more premium composition, an alumina fortified mullite is used. In colorant forehearths or other applications where corrosion is a concern, a zircon mullite material possessing excellent resistance to alkali vapour attack is used. The composition is also used for channel blocks and stirrer covers. Fibreglass forehearths require silica-free composition. For this application a zirconia toughened alumina is offered.
540 - The standard and most popular forehearth design. Two-humped roof block design for distributing heat evenly, keeping glass temperatures consistent throughout the width of the channel.
340 - More automated than the 540 design, with mechanical parts constantly moving the damper blocks back and forth on top of the flue blocks to better regulate air flow and temperature within the forehearth
640 - Designed for smaller length forehearths which need more heat loss in the cooling zones. The smaller hump design on the roof blocks and modified cooling equipment...

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