Insulation castable is a specialized refractory material that is used in high-temperature applications to insulate and protect against heat loss. It is made from a combination of high-quality raw materials, including lightweight aggregates such as vermiculite or perlite, and bonding agents such as alumina or silica.
Insulation castable has excellent insulation properties, which make it ideal for use in furnaces, boilers, chimneys, and other high-temperature settings. Its low thermal conductivity effectively reduces heat transfer, lowering energy consumption and promoting energy efficiency.
Insulation castable is designed to have high strength and good workability, ensuring ease of installation and reliability in use. It is resistant to thermal shock and chemical erosion, ensuring durability and longer service life.
The selection of the appropriate insulation castable is determined by the specific application requirements, such as the desired insulation performance, temperature range, and exposure to corrosive agents. Additionally, proper installation and curing procedures are critical to ensuring optimal performance and achieving consistent insulation properties.
Insulation castable is an essential refractory material for industries such as steel, cement, and petrochemicals, where high-temperature applications are critical to the production process. Its thermal insulation properties and durability make it a preferred choice for reducing energy consumption and promoting energy efficiency.

Product	Al2O3	SiO2	CaO	Bulk density (g.cm¯³)	Maximum operating temperature (℃)
ALU-LITE 16AR	42.0	48.0	8.0	0.55	850
ALU-LITE 19	38.0	42.0	12.0	0.75	1200
ALU-LITE 19N	16.0	42.0	18.0	0.75	1100
ALU-LITE 20D	30.6	57.0	/	0.75	1100
ALU-LITE 20	42.0	26.0	23.0	0.85	1050
ALU-LITE 820	40.2	27.8	22.5	0.88	1050
ALU-LITE 60D	38.5	57.3	/	0.98	1400
ALU-LITE 24AR	44.0	45.0	6.0	1.10	1050
ALU-LITE 26AR	51.0	35.0	9.5	1.25	1250
ALU-LITE 29AR	55.0	31.0	6.0	1.60	1400
ALU-LITE 29	55.0	31.0	6.0	1.65	1450
ALU-LITE 28	94.1	0.1	5.6	1.75	1590
ALU-LITE 826AR	50.0	36.0	9.0	1.28	1250