
Through-Hole Ceramic Filter
For applications requiring direct and efficient impurity removal, our Through-Hole Ceramic Filter is the optimal solution. This extruded alumina filter features a matrix of clean, open passages that run directly through the filter body. This design provides a high open area for efficient metal throughput while the walls of each hole actively capture and retain inclusions, ensuring only purified metal enters the casting.
Introduction
Direct and Efficient Filtration: The Through-Hole Ceramic Filter Advantage
For applications requiring direct and efficient impurity removal, our Through-Hole Ceramic Filter is the optimal solution. This extruded alumina filter features a matrix of clean, open passages that run directly through the filter body. This design provides a high open area for efficient metal throughput while the walls of each hole actively capture and retain inclusions, ensuring only purified metal enters the casting.

Manufactured with Integrity
At Shanxi Dingtai Yinrui, we combine unique material formulas with first-class extrusion technology. Our through-hole filters are sintered in high-temperature furnaces and rigorously tested with equipment like Electronic Universal Testing Machines, ensuring every batch meets our strict standards for strength and permeability.
Product Advantages
High Flow, High Capture
Optimized for minimal flow restriction without sacrificing filtration efficiency.
Robust Material
Alumina ceramic ensures high temperature resistance and longevity in molten aluminum and iron.
Casting Benefits
Significantly reduces slag and dross defects, improving the quality and consistency of final castings.
Specification Variety
Offered in a wide range of pore densities (PCSI), precise diameters, and custom thicknesses. Standard appearance shapes include round, square, and rectangular.




End-to-End Service
From initial inquiry where we help you choose the right PCSI and size, to post-sale technical support, we are your partner in quality. Our filters are certified to international standards, ready for your most demanding foundry applications.





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