Calcium Silicate Insulation Manufacturer China — High-Temp Boards, Pipes & Custom Parts Since 1991
Mingfa is a specialized calcium silicate insulation manufacturer in China, producing industrial thermal insulation rated up to 1100°C. LG-Standard (1000°C) and LG-High Temperature (exceeding ASTM C533 Type II at 927°C) series. As a trusted China calcium silicate supplier, we serve cement, steel, aluminum, glass, and fire protection industries worldwide with ISO 9001-certified products backed by 14 national patents.
Explore Products Request Quote & SamplesCalcium Silicate Insulation Products
Industrial-grade calcium silicate board, pipe, and brick products rated from 650°C to 1100°C
Calcium Silicate Boards
LG-Standard and LG-High Temp series. Flat and curved boards for kiln shells, furnace linings, and duct insulation. Density 200–900 kg/m³.
View Board Range
Pipe Sections & Covers
Pre-formed calcium silicate pipe insulation for steam lines, process piping, and high-temperature ducting. Custom diameters and thicknesses.
View Pipe Products
Composite Bricks
MFDJ and MFGB series. Hard silica-calcium composite bricks for electrolytic aluminum reduction cells, steel ladles, and carbon baking furnaces.
View Brick Range
Fireproof Boards
GF-1100 Super Calcium Silicate Fireproof Board. A1 non-combustible per EN 13501-1. For fire doors, structural steel protection, and passive fire barriers.
View Fireproof RangeCompany Overview
Laizhou Mingfa Insulation Materials Co., Ltd. was established on September 16, 1991 as a joint venture with the China Building Materials Academy in Laizhou, Shandong Province. As a calcium silicate board manufacturer with fixed assets of 46.24 million yuan and covering 108,000 square meters, Mingfa is a patented technology enterprise engaged in R&D, production, engineering, and service of industrial thermal insulation panels.
Recognized as a "high-tech enterprise" by the Shandong Provincial Science and Technology Commission, and winner of "Shandong Province Star Enterprise", "Shandong Province Famous Trademark", and "Contract and Promise-abiding Enterprise". As a China calcium silicate factory shipping globally, we combine deep materials science expertise with manufacturing excellence.
Products by Industry
Eight specialized product lines for diverse high-temperature industrial applications
Cement Industry
LG-Standard (1000°C) and LG-High Temp (1100°C) calcium silicate boards for rotary kiln shell insulation. Hard Silica-Calcium Composite Brick. Insulation Coating.
Electrolytic Aluminum
High-temperature calcium silicate products for reduction cells. MFDJ series composite brick rated to 1000°C.
Steel Ladle
LG-High Strength Board (MF-HD, 800–850 kg/m³) and MFGB series brick (up to 900 kg/m³). For ladle, tundish, and furnace lining.
Fire Protection
GF-1100 Super Calcium Silicate Fireproof Board. A1 non-combustible. Fireproof door core material. EN standard certified, with products classified A1 non-combustible per EN 13501-1.
Glass Industry
MFBL series composite brick (300–850 kg/m³). For furnace bottom, sidewall, and crown backup insulation.
Casting Industry
LG-High Purity Calcium Silicate Board. Non-stick aluminum surface. For non-ferrous metal casting applications.
Carbon Industry
Hard Silica-Calcium Composite Brick for carbon baking furnaces. Stable physical and chemical properties.
Insulation Coating
Paste-form product. Small volume shrinkage upon drying. Good thermal stability.
Quality & Certifications
Every production batch tested for density, thermal conductivity (ASTM C518), compressive/flexural strength (ASTM C165/C203), and linear shrinkage (ASTM C356). Test certificates ship with every order. Our calcium silicate insulation products conform to international standards including EN 13501-1 and ASTM C533.
14 national patents: ZL201410160342.X, ZL201420190704.5, ZL201520851633.3, among others. Infrared masking agent technology for ultra-low thermal conductivity at elevated temperatures.
Why Mingfa
Trusted calcium silicate insulation manufacturer China — serving global industrial clients since 1991
34 Years of Specialization
Established in 1991 as a joint venture with the China Building Materials Academy. Exclusively focused on calcium silicate insulation R&D, manufacturing, and engineering — deeper specialization than any general insulation trading company.
Shandong Manufacturing Hub
Two production bases totaling 108,000 m² in Laizhou and Surabaya. As a Shandong insulation supplier, we ship global OEM orders through Qingdao port, just three hours from our factory. Direct factory pricing — no trading company markup.
14 Patented Technologies
National invention and utility model patents including ZL201410160342.X. Infrared masking agent technology delivers ultra-low thermal conductivity at high temperatures. Every batch tested to ASTM C518, C165, C203, and C356.
Global Export Experience
Shipping worldwide since the 1990s as an established China calcium silicate supplier. Documentation, container optimization, and logistics coordination through Qingdao port.
Two Production Bases
Laizhou headquarters + Surabaya Mingfa Jinyu branch. Total area 108,000 m². Fixed assets 46.24 million yuan. Scalable production capacity for any project scale.
Technical Support Included
Free on-site installation guidance by qualified engineers. Training for your workers. Pre-sale and after-sale support throughout your project lifecycle.
Featured Projects
Trusted by industrial clients worldwide across cement, steel, aluminum, and glass sectors
Yunnan Wenshan Aluminum
Electrolytic aluminum reduction cell insulation — MFDJ composite brick, 1000°C rating. Yunnan Province, China.
Ethiopia Cement Production Line
Complete rotary kiln and preheater tower insulation. International project — Africa.
Huarun Shufenkai Cement
Kiln shell and duct insulation supply. Fengkai, Guangdong, China.
Linyi Jinxi Tai Glass
Glass melting furnace backup insulation. Shandong Province, China.
St. Maurice Fireproof System
GF-1100 Super Calcium Silicate fireproof board for structural steel protection.
Qingtongxia Aluminum Electrolyzer
Electrolyzer backup insulation project. Ningxia, China.