Silicon carbide foam ceramic filter for Sand Casting
Model Name: NINGXIN-CFF-S
Application: For the filtration of molten Iron,copper,brass,aluminum and alloy
| Main material |
Silicon carbide (SIC) |
| Working Temperature |
≤1500ºC |
| Color |
Gray black |
| Hole density |
10/15/20/25/30PPI (PPI=pores per inch) |
| Porosity(%) |
80‐90 |
| Compressive Strength(MPa) |
≥1.0 (Room temperature) |
| Bulk Density(g/cm3) |
0.35‐0.55 |
| Thermal shock resistance |
≥2times/1100ºC‐Room temperature |
Images of Application Cases
Baoding Ningxin Group Co.,Ltd. (NINGXIN) is engaged to the manufacture and development of molten metal filters, serving the foundry filtration industry since 2002. NINGXIN has grown into one of the largest molten metal filter manufacturers in China, providing metal filtration guarantee for more than 100 million pieces of ferrous and non ferrous castings every year, and serving more than 2,000 metal casting foundries with high-quality filters and reliable services in more than 20 countries. We have a rich history of improving the wellbeing of those we serve through innovative foundry molten metal filter solutions, efficiency advancements, and efforts to promote a sustainable future.
We pride ourselves in employing the most experienced and innovative individuals in the field, utilizing the highest quality materials and the optimized process and formulations to ensure that our customers receive the level of quality and value that they deserve. Our superior products performance, professionalism and stability is evidenced by our valued customers, which are one of the best in the industry. Contact us today to see how we can help with your molten metal filtration needs.
The main foundy metal castings filtration products are as below:
Sic ceramic foam filter for iron castings filtration
Alumina ceramic foam filter for aluminum filtration
Zirconia ceramic foam filter for steel castings filtration
Extruded honeycomb ceramic filter for iron castings filtration
E-glass Fiberglass mesh filter for aluminum filtration
High silica fiberglass mesh filter for iron and steel filtration
FOCUS ON
FOUNDRY FILTERS
OVER 20 YEARS
Rich experience, proprietary technology and leading process design is achieved through innovation and complex problem-solving to optimize molten metal filtration efficiency, boost yields and deliver satisfactory and reliable product quality.
Unique Formula
We use the unique formula based on many years of R&D and experience, the refractory and strength of our filters are improved greatly and this result the best protection on filters effectiveness.
ISO Management Sytem
ISO 9001 Certification promotes the development of continual improvement, risk reduction, customer satisfaction and traceability through the implementation of various management system processes.
5S On Site Management
The foundry ceramic foam filter production process involves mant steps of treatment, with various kind of raw materials, with 5S on site management, each production site is clean and in good order, which improved our efficiency greatly.
TQM Executed
TOTAL QUALTY MANAGEMENT covers the whole process from material entry to finished products delivery.
Third Party Analyse & Check
Work with National Refractory Reserch and Development Center on ceramic foam filters
Co-work With Institutions
Hebei Science and Technology Instituation, Jingdezhen Ceramic Institution, on new recipe of ceramic foam filter.
Inspection & Quality Control
How we ensure the filters quality
NINGXIN has a unique inside quality control flow that give it a distinct advantage over other foundry filter suppliers, which enabling us to deliver the highest available quality of foundry molten metal filters. Founded by a renowned leader in molten metal filtration industry and with a team of experts in the field, NINGXIN provides extensive and unmatched filters design and application information for its customers, generating huge casting industry filtration cases and data.
To ensure the consistant filter quality, NINGXIN employs the best technology available today. The company focuses on quality and quality control from beginning to end. The result is unsurpassed quality, and it starts with experience and Quality Control. We have made simulated pouring testing and analyzed over 190,000 samples out of produced various types of filters. Rich experience and strict quality control standards enable us to achieve the filters quality which is the hallmark of the company.
2 x Medium frequency electric furnace 200 kg:For melting high temperature metal solution, and conducting extreme high temperature solution impact test on the filters
2 x Ceramic bending test machines: detecting the room temperature compressive strength of the filters
3 x Muffle furnaces: detecting thermal shock resistance of the filters
Digital viscometer, slurry hydrometer: testing the feeding and stirring process during the production process
Glassware for balance and chemical experiments: used to check the filter mass, bulk density, and drainage method to verify the porosity
Electron microscopy: check the uniformity of the distribution of the filter surface components
High-temperature load detector, etc.: used for inspection of data such as deformation and expansion at high temperature of the filter
High-temperature spectrometer, fluorescent X-ray: Check the composition of the filter
Digital Viscometer, Slurry Hydrometer: Tests the development of slurry and mixing process
Bench Drying Box: Simulate the working principle of the drying workshop to dry the experimental product
R&D production line: a production line dedicated to the development of new foundry filter products
Small shuttle kiln: used to develop product sintering
Audited Supplier 
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