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Corundum-mullite Refractory Regenerative Ball

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 Corundum-mullite Refractory Regenerative Ball 

 Corundum-mullite Refractory Regenerative Ball is featured with high strength, high chemical stability and thermal stability. It is resistant to high temperature, high pressure, corrosion of acid, alkali and various organic solvent, applied to petroleum industry, chemical industry, fertilizer industry, natural gas industry and enviroment protection and capable of supporting catalysts, covering materials and buffering impact of liquid and gas to catalysts in a reactor to protect the catalysts and improve the distribution of liquid and gas in the reactor.

1.High strength, long use period
2.Chemical stability, it won't react with our materials
3.Good performance of resistance high temperature, resistance high temperature up to1900 Centigrade.

Specially used in hot blast stove, the high-low temperature shift furnace, converter, hydrogenation shift furnace, desulfurization furnace, etc
Used in the hot wind furnace and heat up shift appliance in steel plant.

Corundum-mullite Refractory Regenerative BallCorundum-mullite Refractory Regenerative BallCorundum-mullite Refractory Regenerative BallCorundum-mullite Refractory Regenerative Ball


 Corundum-mullite Refractory Regenerative Ball 

Corundum-mullite Refractory Regenerative Ball

Main technical indexes
Property Feldspar Feldspar-Mullite Mullite Mullite-Corundum Corundum
Al2O3% 20-30 30-45 45-70 70-90 ≥90
Water absorption rate%     ≤5    
Acid resistance %     ≥98    
Alkali resistance % ≥80 ≥82 ≥85 ≥90 ≥95
Heat-resistant temperature °C ≥1300 ≥1400 ≥1500 ≥1600 ≥1700
Compressive Strength N/ball Φ3 ≥0.12 ≥0.14 ≥0.15 ≥0.16 ≥0.2
Φ6 ≥0.40 ≥0.42 ≥0.44 ≥0.48 ≥0.50
Φ8 ≥0.48 ≥0.52 ≥0.60 ≥0.62 ≥0.65
Φ10 ≥0.60 ≥0.70 ≥0.80 ≥0.90 ≥1.00
Φ13 ≥1.00 ≥1.10 ≥1.30 ≥1.50 ≥1.80
Φ16 ≥1.50 ≥1.60 ≥1.80 ≥2.30 ≥2.60
Φ20 ≥1.80 ≥2.00 ≥2.30 ≥2.8 ≥3.20
Φ25 ≥2.50 ≥2.80 ≥3.20 ≥3.60 ≥4.00
Φ30 ≥3.00 ≥3.20 ≥3.50 ≥4.00 ≥4.50
Φ38 ≥4.00 ≥4.50 ≥5.00 ≥5.50 ≥6.00
Φ50 ≥6.00 ≥6.50 ≥7.00 ≥8.50 ≥10.00
Φ60 ≥8.00 ≥8.50 ≥9.00 ≥10.00 ≥12.00
Φ75 ≥10.00 ≥11.00 ≥12.00 ≥14.00 ≥15.00
Bulk density kg/m3 1300-1400 1400-1500 1500-1600 1600-1800 >1800

Production Equipment

Production capacity: Our factory actively response to government environmental protection policy, we designed and built the fully automatic controlled high temperature gas tunnel kiln (1700℃), and got capacity of annual output 70,000 tons of high quality refractory products.

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Packing Details
Packing details:

★Bricks: Fumigated wooden pallet with log paperboard covered and stainless steel band strapping, the whole outside is wrapped with thermoplastic film. Or carton packaging.

★Wooden pallet size: usually 92*92cm (standard brick)

★Castable: Ton bag with rain film and 25kg bags inside

★Or according to customer’s requirements


★Port of dispatch: Tianjin port; Qingdao port

★Delivery time: According to customer’s demand or two sides negotiate

Our Services

We provide you 

★Timely response: Timely response to your inquiry within 24 hours and provide solution. 

★Competitive Price: Make the products competitive in your market. 

★Free sample: Free sample are offered, trial order are accepted for quality evaluation. 

★Strict quality control: We set Quality Management System, from the raw material to finished products, produce high quality products according to chemical & physical specifications strictly to satisfy customers’ needs.

★Fast delivery time: Within 3-30 days according to your quantity after receiving your advance payment. 

★ Professional services: Provide pictures from order to delivery. Inspect report by our country’s designated authority and oversea services if necessary.

We are here for you!

Certification:  (ISO 9001:2015)



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