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Yd-850 Calcium Silicate Thermal Insulation Board for Plate-Type Molten Aluminum Holding Furnaces., Find Details and Price about Insulation Board Thermal Insulation from Yd-850 Calcium Silicate Thermal Insulation Board for Plate-Type Molten Aluminum Holding Furnaces. - Laizhou Yongda High Temp. Material Co., Ltd.