Silica brick features:
The brick is shaped by high pressure and sintered at high temperature. with excellent high-temperature physical performance and chemical erosion resistance.
The technical specification:
The brick is shaped by high pressure and sintered at high temperature. with excellent high-temperature physical performance and chemical erosion resistance.
The technical specification:
| item | Specification | |
| floor & wall brick | other brick | |
| SiO2 ≥ | 95% | |
| Fe2O3 ≤ | 1.5% | |
| Al2O3 ≤ | 1.5% | |
| CaO ≤ | 2.5% | |
| cold crushing strength ≥ | 40Mpa | 35Mpa |
| apparent porosity ≤ | 22% | 24% |
| true density ≤ | 2.33g/cm3 | 2.34g/cm3 |
| thermal expansion 1000ºC≤ | 1.28% | 1.30% |
| residual quartz ≤ | 1.0% | |
| refractoriness under load Ta ≥ | 1650ºC | |
Our production line
we have one 42-meter push-plate kiln, one 96-meter tunnel kiln, and one 30-cubic lock kiln.
Our workshop
Our delivery
Our customers from all of the world
Who we are?
Zhengzhou Kaiyuan Refractories Co., Ltd is a professional company produces and sales refractory materials for industry of cement, iron & steel and non- ferrous metals etc. Our plant covers an area of 6,000 square meters and has more than 100 employee. The capacity of production and selling is about 25,000 tons per year.
Our main products are corundum brick, magnesia brick, magnesia chrome brick, magnesia alumina spinel brick, low apparent porosity fireclay brick, high alumina brick, silica brick, insulation brick, thermal ceramic fibre blanket and all kinds of monolithic refractory materials.
Our products had been exported to South Korea, Japan, Russia, Bahrain, Iraq, Italy, Mexico, Germany, Pakistan, Japan, Thailand, Uzbekistan, UK and so on.
FAQ
1. How you can control your quality?
For each production processing, we have complete QC system for the chemical composition and physical properties.
Before production, we test all the raw materials; During the production, we test the semi-finished products; After production, all the goods will be tested, only the qualified goods will de delivered and the quality certificate will be shipped along with goods.
2. What's your delivery time?
It usually needs about 45-50 days after receiving the deposit.
3. 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.
4. What's your payment terms?
We can accept 30% deposit, 70% balance to be against BL copy; 100% LC at sight.
5. Can we visit your Company?
Yes, certainly. You are very welcome to China and we will be honoured to have a customer and friend.
6. What standards do you have?
Our products meet the standards, such as ASTM, ASME, AMS, DIN, JIS etc.
The third-party testing is all available for us.
For more details, please visit our official website: kaiyuanrefractory.en.made-in-china.com