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.
Specification
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 |
Package
Packing by carton, about 18 cartons in a fumigation wooden pallet, covered with plastic shrink film.
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.
Certification
We promise that our material is the best,and the testing equipment is imported from Germany, each process is rigorous so that we are trusted by our customers.
Why choose us?
1). We can provide all kinds of specifications to customers
2). We actively seek co-operation arrangements with interested international ceiling
manufacturers
3). We can provide numerous references attesting to our high standards of professionalism and
reputation in the global market place
4). We provide 24 hours service, perfect logistics and perfect transportation scheme,
Contact Us
Our products are exported to many countries, like Australia, Philippines, the United Arab emirates, Chile,Mexico, Indonesia, Russia etc.
It's our pleasure to do business with your esteemed company and hope to establish long-term cooperation with you. We hope that we will do more business through our mutual efforts in the future. We will provide after-selling service for you.
Thank you for your attention.Looking forward to your reply!
Buyer Notes
We think that the price of our product is the lowest,and the quality of our product is the best. We will do our best to meet your requirement!Welcome to contact us and we will tell you anything that you want to know.