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| Place of Origin | Henan, China | Shape | Powder |
| Material | CASTABLE | SiO2 Content (%) | u22650.6% |
| Al2O3 Content (%) | u226496% | MgO Content (%) | standard |
| CaO Content (%) | standard | Refractoriness (Degree) | Common (1580u00b0< Refractoriness< 1770u00b0) |
| CrO Content (%) | standard | SiC Content (%) | standard |
| Model Number | HDD | Brand Name | Rongsheng |
| Refractoriness (Degree): | Common (1580u00b0< Refractoriness<1770u00b0) | SiO2(%)u2265 | 0.6 |
| Bulk Density g/cm 3u2265 | 2 | Cold Crushing Strength MPa 1110u2103x3hu2265 | 15 |
| Fe2O3(%),u2264 | 0.5 | Apparent Porosity(%) | 26 |
| Linear changing after burnt(%) | 0 -1.6 | Al2o3(%),u2264 | 96 |
| Max.grain size of aggregate(mm) | 4.5 | Amount for construction | 2300 |
Corundum Ramming Mass
Features
1. High volume stability.
2. High compactness.
3. Strong resistance to erosion.
This product uses high-quality high-alumina, corundum and spinel, fused and high purity magnesite as the main raw materials, add a variety of different binding agents and special properties of the fine powder materials, such as by the fine ratio and mixing made.
Aluminum-magnesia ramming material, high-alumina (or corundum) – silicon carbide – carbon ramming material, alkali refractory ramming material and zirconium mullite ramming material.
Applicable to all kinds of carbon steel, low manganese steel, alloy steel, alloy cast iron, high-speed tool steel and stainless steel.
|
Items |
HDD-1 |
HDD-2 |
HDD-3 |
HDD-4 |
HDD-5 |
||||
|
Chemical composition(%) |
AI203≤ |
95 |
96 |
96 |
97 |
90 |
|||
|
Si02≥ |
0.7 |
0.6 |
0.6 |
0.5 |
0.4 |
||||
|
Fe203≤ |
0.5 |
0.5 |
0.4 |
0.4 |
0.8 |
||||
|
Cold Crushing Strength (Mpa) |
1300℃x3h After firing at |
15 |
15 |
10 |
10 |
25 |
|||
|
Apparent porosity(%) |
1300℃x3h After firing at |
26 |
26 |
25 |
25 |
23 |
|||
|
Linear changing after burnt(%) |
1300℃x3h After firing at |
0 -1.6 |
0-1.2 |
0 -1.0 |
|||||
|
Bulk density (g/cm3) |
1300℃x3h After firing at |
2 |
2 |
2.1 |
2.1 |
2.2 |
|||
|
(℃)Refractoriness |
1780 |
1780 |
1780 |
1780 |
— |
||||
|
Max. grain size of aggregate(mm) |
5 |
4.5 |
4.5 |
4.2 |
4.2 |
||||
|
Amount for construction |
2300 |
2300 |
2300 |
2400 |
2400 |
||||
|
Mathod of construction |
Jolt or ramming |
||||||||
ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED has 30 years of experience in R & D and design of unshape refractory experts, holds 20 utility model patents and 7 invention patents, and has passed the ISO quality, environment and safety management system certification. The company is committed to the R & D, production and service of refractories used in metallurgy, electric power, nonferrous metals, building materials, chemical industry and other industries. Its products cover 198 kinds of materials and 2369 varieties in three categories (acidic, neutral and alkaline), providing overall solutions for refractories for 1200 domestic and 200 foreign customers.
Send us inquiry to got more !!
1. How can I get your prompt quotation?
We can give our offer quickly if you kindly send the inquiry with following factors: drawing, dimension (length*width*thickness), service temperature, application and quantity.
2. What’s the MOQ of trial order?
1 pallet.
3.
What payment terms are you accept?
T/T,LC,Western Union,moneygram are available for us.
4.
After an order is placed, when to deliver?
15-25days after confirming the order
5.
Does your company accept customization?
We accept OEM service.
6.
How to solve the quality problems?
If the products are not conforming to customer samples or have quality problems, our company
will beresponsible to make compensation for it based on enough evidences.
7. Is there any cost for the sample?
We provide free sample but freight cost is on your side.
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