Product Description
Corundum refractory mullite insulating brick for cement kilns
Corundum refractory mullite insulating brick for cement kilns using Imported tabular alumina, high purity fused corundum as the main raw material, with addition of specified binder by shaping at high pressure and sintering at high temperature.
Features of corundum refractory mullite insulating brick for cement kilns:
1.Pure white color
2.High refractoriness under load
3.Good creep property
4.Low apparent porosity
5.high erosion resistance
6.high thermal shock resistance
Chemical & Physical Index:
| Items | Index |
| Bulk density ,g/cm3 ≥ | 2.6 | 2.8 | 2.9 |
| Apparent porosity ,% ≤ | 19 | 18 | 19 |
| Cold crushing strength,MPa ≥ | 60 | 70 | 70 |
| Refractoriness under load,ºC ,(0.2MPa,0.6%)≥ | 1600 | 1650 | 1680 |
| Long-term working temperature,ºC | 1550 | 1600 | 1650 |
| Linear change after heating,% (1600ºC×3h) | ±0.50 | ±0.5 | ±0.30 |
| AL2O3 ,% ≥ | 70 | 80 | 85 |
| Fe2O3 ,% ≤ | 0.8 | 0.8 | 0.15 |
Usages of corundum refractory mullite insulating brick for cement kilns:
1.Mainly adopted in the position of heavy load wall and where the temperature is high and fluctuating frequently.
2.Widely used in various inner linings and heat insulation layers of high temperature kilns.
Packaging & Shipping
Packaging Detials:
corundum refractory mullite insulating brick for cement kilns are fumigated wooden pallet, using paper or non-woven fabrics between layers separated,plastic shrink film protected outside.finally using straps. Or as your requirements.
Shipping:
By vessel or train from Chinese Ports.
Our Services
1.Timely response,
Timely response to your inquiry, multiple choice recommendations based on your demand,quickly respond mails and provide solutions.
2.Free sample
Sample and trial order are accepted for the quality evaluation
3.Strict quality control
Arrange production on time and control quality strictly.
4.Shorter delivery time.
Book the earliest vessel or plane to guarantee the delivery time.
5.Professional Services
Provide all the detailed news and pictures from order to delivery;offer relative export documents and original certificate if needed;warm and considerable after-sale service.
FAQ
1. How you can control your quality?
For each production processing, we have complete QC system for the chemical composition and Physical properties. After production, all the goods will be tested, and the quality certificate will be shipped along with goods.
2. What's your delivery time?
It usually needs about 15days- 30 days after receiving the deposit.
3.Do you have any experiences of export?
Yes,and Now we have gained a global sales network reaching Taiwan, Russia, Korea, Vietnam, Pakistan, Bulgaria, French, India, Congo, Angola, South Africa, and so on.
4. Do you provide free samples?
Yes, we can provide a free sample for testing, If we have sample in stock, The quantity based on the material type, The buyer should bear all the shipping costs.
5. Can we visit your Company?
Yes, certainly. You are very welcome to China and we will be honored to have a customer and friend.
