alumina graphite stopper heads for casting -

Supplier Details

Dalian Huayu Refractories International Co., Ltd.  

Year Established:

Business Type:

Management Certifiation:

Operational Address:
Room 411, 4/F, No. 143, Zhongshan Road, Xigang Dist., Dalian, Liaoning, China (Mainland) Zip: 116011

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alumina graphite stopper heads for casting

alumina graphite stopper heads for casting
  • alumina graphite stopper heads for casting
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FOB Price:US $ 1.8 - 5.5 / Piece

Min.Order Quantity:5 Piece/Pieces

Supply Ability:5000 Piece/Pieces per Week


Payment Terms:L/C,D/A,D/P,T/T,Western Union,MoneyGram

Product Details


Place of Origin : Liaoning, China (Mainland)
Material : Alumina Block


Stopper heads are made of high alumina raw material and  high grade graphite , throgh high-pressure molding and 1300°C high temperature treatment, suitable for flowing control at casting steel.




1. good refractoriness

2.excellent thermal shock and thermal spaling resistance.

3.high cold compressive strength

4.good resistance to abrasion and corrosion


Al2O3 >62%
C >3%
Refractoriness  >1790°C
Reheating linear change 1500°C,2h 0.78
Refractoriness Under Load 0.2MPa >1420°C
Apparent Porosity <23%
Compressive strength >29 MPa
Bulk density >2.62 kg/cm3







Packaging & Shipping



     Packing by carton, about 18 cartons in a  fumigation wooden pallet, covered with plastic shrink film.




Our Services


Quality control 



       All process from raw material to final product are strictly tested by equipment. Content of test includes bulk density, al2o3, cold compressive strength, refractoriness, etc. 

Company Profile

Our company is a world-class manufacturer, supplier, and engineering contractor for various refractory products. We have been supplied quality magnesite minerals, various refractory bricks and casting ceramic products for metallurgical, cement, petro-chemical, boilers, foundries, and powder industry with our best services and good results to worldwide customers.
Our company has an annual output of 750,000 tons of dead-burnt magnesite, 120,000 tons of medium-grade magnesite, 130,000 tons of caustic calcined magnesite, 60,000 tons of magnesia series(magnesia, Mg-Cr, Mg-Al) bricks, 90,000 tons of magnesia carbon bricks and 30,000 tons of monolithics, three millions ceramic products for casting.

Our magnesite and magnesia series products have passed the evaluation of ISO9001 certification.
Besides, with rich professional experience in refractory field, great support and trust from our customers, we have also exported other minerals (such as bauxite, flake graphite, SiC and fluorspar), clay and alumina bricks, SiC and corundum bricks, graphite electrodes, refractory for con-casting, insulating materials, crucibles, and ceramic products for casting, and holloware for foundry industry.

We warmly welcome worldwide friends for business negotiation, cooperation, and investment. We are sure that our future will be more resplendent with your cooperation and support.
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