Rosewool Insulation Refractory Co.,Ltd won the bid for Dongfang Electric, and the insulation cement fiberboard opens a new chapter in the petrochemical industry

Release Time: 2025-11-13

Recently, Rosewool Insulation Refractory Co.,Ltd received heavy news - it successfully won the bid for the Dongfang Boiler project of Dongfang Electric, winning recognition from industry giants with high-quality insulation cement fiberboard. This cooperation not only demonstrates the strength of the enterprise, but also confirms the excellent application value of insulation cement fiberboard in the petrochemical industry.

Thermal insulation cement fiber board is a "thermal insulation tool" in the petrochemical industry, with significant advantages. It is made of cement and fiber as the core raw materials, with excellent insulation and thermal conductivity as low as 0.07W/(m · K), which can effectively reduce equipment heat loss and help enterprises save energy and reduce consumption; Simultaneously possessing A1 level fire resistance, it can resist high-temperature flame invasion and ensure the safety of chemical production; It also has good waterproof and moisture-proof properties, and is not easily deformed or moldy in humid environments of petrochemical industry, with a service life of over 15 years.

Rosewool Insulation Refractory Co.,Ltd's insulation cement fiberboard has unique advantages. We adopt advanced automated production lines, select high-grade cement and high-quality fibers, and use high-pressure molding and high-temperature curing processes to produce products with uniform density and compressive strength of over 5MPa, far exceeding industry standards. Each batch of products has passed third-party testing, ensuring quality assurance. Different thicknesses and sizes of sheets can be customized to meet the diverse equipment needs of the petrochemical industry, catering to various application scenarios.

Cooperating with Rosewool Insulation Refractory Co.,Ltd brings many benefits. As a source manufacturer, we eliminate intermediate links and offer higher cost-effectiveness; A professional team can provide on-site survey and installation guidance services to ensure efficient application of products; Improving the after-sales system can respond to demands in a timely manner and solve usage problems.

The stable development of the petrochemical industry relies on the support of high-quality insulation materials. Choose Rosewool Insulation Refractory Co.,Ltd, choose reliable guarantee, and look forward to working together with you for a win-win situation!

Technical Parameters

Type		COM	ST	HP	HA	Zir-Alu	HZ
Classified Temp.		1100℃ (1983℉)	1260℃ (2300℉)	1260℃ (2300℉)	1360℃ (2480℉)	1400℃ (2550℉)	1430℃ (2600℉)
Working Temp.		<1000℃ (2012℉)	1050℃ (1922℉)	1100℃ (2012℉)	1200℃ (2192℉)	1200℃ (1192℉)	1350℃ (2462℉)
Color		white	white	white	white	white	white
Density(kg/m3)		260-320 (16-20lb/ft3)	260-320 (16-20lb/ft3)	260-320 (16-20lb/ft3)	260-320 (16-20lb/ft3)	260-320 (16-20lb/ft3)	260-320 (16-20lb/ft3)
Linear Shrinkage (％) (24 hrs)		-3 (1000℃/1832℉)	-3 (1000℃/1832℉)	-3 (1100℃/2012℉)	-3 (1250℃/2282℉)	-3 (1000℃/2012℉)	-3 (1350℃/2462℉)
Thermal conductivity (W/M.K)		0.085 (400℃/752℉) 0.132 (800℃/1472℉) 0.180 (1000℃/2012℉)	0.085 (400℃/752℉) 0.132 (800℃/1472℉) 0.180 (1000℃/2012℉)	0.085 (400℃/752℉) 0.132 (800℃/1472℉) 0.180 (1000℃/2012℉)	0.085 (400℃/752℉) 0.132 (800℃/1472℉) 0.180 (1000℃/2012℉)	0.085 (400℃/752℉) 0.132 (800℃/1472℉) 0.180 (1000℃/2012℉)	0.085 (400℃/752℉) 0.132 (800℃/1472℉) 0.180 (1000℃/2012℉)
Compression Strength (Mpa)		0.5	0.5	0.5	0.5	0.5	0.5
Chemical(%)	Al2O3	44	46	47-49	52-55	45-46	39-40
	Al2O3+SiO2	96	97	99	99	-	-
	Al2O3+SiO2+ZrO2	-	-	-	-		99
	ZrO2	-	-	-	-	.5-7	15-17
	Fe2O3	<1.2	<1.0	0.2	0.2	0.2	0.2
	Na2O+K2O	≤0.5	≤0.5	0.2	0.2	0.2	0.2
Size(mm)		12001000mm(47″40″); 1000600mm(40″36″);900600mm(24″36″) 20-50mm（1″/2″）thickness

If you have special needs, Rosewool Insulation Refractory Co.,Ltd also provides customized services. Based on the characteristics of your project, usage environment, specification requirements, etc., we tailor a customized insulation cement fiber board solution to meet your personalized needs and assist in the smooth progress of your project.

The development of the petrochemical industry is advancing rapidly, and the demand for insulation materials is also constantly upgrading. Rosewool Insulation Refractory Co.,Ltd is willing to work hand in hand with you and achieve win-win cooperation with high-quality products and professional services. Looking forward to establishing a long-term stable cooperative relationship with you and jointly creating a bright future for the petrochemical industry. Contact us now!

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Rosewool Insulation Refractory Co.,Ltd won the bid for Dongfang Electric, and the insulation cement fiberboard opens a new chapter in the petrochemical industry

Technical Parameters

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