
Filber Filter for Molten Steel
For steel casting operations, where temperatures are extreme and quality demands are uncompromising, effective melt filtration is non-negotiable. Dross, slag, and refractory inclusions are the enemies of integrity in high-value steel castings. We introduce our robust Glass Fiber Filters for Steel Liquid, also known as Thick-Type Silica Fiberglass Filtration Mesh, designed specifically to meet the stringent challenges of molten steel purification.
Product Description
Achieve Cleaner Steel Castings with Specialized Fiber Filters for Molten Steel
Engineered for Extreme Conditions, Our High-Silica Glass Fiber Filters Deliver Essential Filtration for Steel Foundries.
For steel casting operations, where temperatures are extreme and quality demands are uncompromising, effective melt filtration is non-negotiable. Dross, slag, and refractory inclusions are the enemies of integrity in high-value steel castings. We introduce our robust Glass Fiber Filters for Steel Liquid, also known as Thick-Type Silica Fiberglass Filtration Mesh, designed specifically to meet the stringent challenges of molten steel purification.
Our filters are woven from high-purity refractory glass fiber cloth, engineered to provide a reliable, cost-effective barrier against harmful impurities. While they effectively reduce turbulence in the metal flow, their primary role is to capture larger particulate matter, serving as a crucial first line of defense to protect downstream equipment and improve casting surface finish.

Why Choose Our Fiber Filter for Your Steel Casting Process?
Superior High-Temperature Endurance
Formulated to withstand a peak working temperature of 1600°C, ensuring stability and integrity during the brief, intense contact with molten steel.
Minimal Gas Generation
With low gas evolution (<60 cm³/g), the filter minimizes the risk of introducing gases into the sensitive steel melt, preventing associated casting defects.
Enhanced Mechanical Strength
Features exceptional room-temperature tensile strength (>16 kgf/4pcs) in a thick design, providing the durability needed for secure placement within demanding gating systems.
Application Versatility & Customization
Suitable for various casting methods including sand, investment, and shell molding. Available in common mesh sizes (1.5x1.5, 2.0x2.0, 2.5x2.5) and fully customizable in dimensions up to 800x1000mm or as cap filters to fit your specific runner design.
Key Performance Parameters
|
Working Temperature |
Continuous Working Time |
Room Temperature Tensile Strength |
Gas Evolution |
|
1600°C |
4 min |
>16kgf/4pcs |
<60 cm³.g⁻¹ |
Correct Usage for Optimal Results
The filter can be easily cut to size with scissors. It is typically placed under the pouring cup or at the overlap junction of the runner. Ensure the cut piece is 20-30mm larger than the cross-section of the runner and is pressed firmly into place on a flat joint surface. Avoid diagonal pulling or dragging during installation to prevent wear or breakage.




Your Partner in Advanced Foundry Filtration: Shanxi Dingtai Yinrui
As a high-tech manufacturer with roots dating back to 1997, Shanxi Dingtai Yinrui Filter Manufacturing Co., Ltd. has grown from a specialized filter cloth workshop into a comprehensive solution provider. Our ISO 9001:2015 certified factory in Houma - China's renowned casting hub - houses advanced production and testing equipment, ensuring every product, including this specialized steel filter, meets rigorous international standards.

We offer a complete portfolio of filtration solutions:
• Zirconia (ZrO₂) Ceramic Foam Filters: The premium choice for high-quality steel, stainless steel, and high-temperature alloy castings, offering deep filtration.
• Silicon Carbide (SiC) & Alumina (Al₂O₃) Foam Filters: For iron, copper, and aluminum alloys respectively.
• Honeycomb Ceramic Filters: For ultra-precision applications like aerospace castings.
Our products, under the brand "DING TAI YIN RUI," are trusted by foundries across Turkey, India, South Korea, the USA, Vietnam, Russia, and beyond. We support our clients with full-cycle services: from pre-sale technical consultation and custom design, through smooth order fulfillment, to reliable after-sale support and a clear quality guarantee.
Contact us to discuss how our Molten Steel Fiber Filters can enhance your casting quality and operational reliability.




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