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Mullite based lightweight aggregate

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Release time：2024-04-24 10:15:43

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Energy-saving and cost reducing is the eternal pursuit for the high temperature industry. One of the measures is making lining lightweight. So lightweight material is essential for the furnaces and stoves. a series of lightweight aggregate are made by specially developed technique. They are featured by high purity, high porosity while evenly distributed micro pores, high strength and low shrinkage fired at high temperatures. The products are suitable for lightweight castable and high purity insulation refractory products.

Properties	Al₂O₃ (%)	Fe₂O₃ (%)	K₂O+Na₂O (%)	Apparent Porosity (%)	Bulk Density （g/cm³）
LWA42-1.0	≥40	≤0.8	≤0.5	≥50	1.0-1.2
LWA42-1.5	≥40	≤0.8	≤0.5	≥40	1.4-1.6
LWA50-1.9	≥50	≤0.8	≤0.5	≥25	1.8-2.0
LWA60A-2.1	≥60	≤0.8	≤0.5	≥25	2.0-2.2
LWA60B-1.3	≥60	≤1.5	≤1.0	≥45	1.3-1.5
LWA70-2.3	≥70	≤0.6	≤0.6	≥30	2.2-2.4

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