
Refractory material AZS refractory brick for glass kiln / fire resistant bricks
Features For Corundum Fire Brick:
1. Raw material is corundum and baddeleyite eutecticum,high compression strength
2.Top high-temperature capablility.
3.Excellent thermal stability.
4.Low thermal conductivity
5.Powerful penetrating-proof capability.
6.Good erosion-resistance.
7.Strong resistant erosion stability to the glass liquid
Physical and Chemical Indicators For Corundum Fire Brick :
Chemical composition | AZS-33 | AZS-36 | AZS-41 |
ZrO2 | ≥33 | ≥35 | ≥40 |
SiO2 | ≤16.0 | ≤14 | ≤13.0 |
Al2O3 | a little | a little | a little |
Na2O | ≤1.5 | ≤1.6 | ≤1.3 |
Fe2O3+TiO2 | ≤0.3 | ≤0.3 | ≤0.3 |
Physical Properties
Bulk density(g/cm3): | 3.5-3.6 | 3.75 | 3.90 | |
Cold crushing Mpa | 350 | 350 | 350 | |
Thermal expansion coefficient (1000°C) | 0.80 | 0.80 | 0.80 | |
Exudation temp. of glass phase | 1400 | 1400 | 1400 | |
Corrocion resistance of glass melt(mm/24h) | 1.6 | 1.5 | 1.3 | |
Density | PT QX | 3.40 | 3.45 | 3.55 |
WS ZWS | 3.60 | 3.70 | 3.8 |
Phase composition(%)
Baddeleyite | 32 | 35 | 40 |
Glass phase | 21 | 18 | 17 |
A- corundum | 47 | 47 | 43 |
Favorable Conditions: convenient transportation; abundant resources; high quality minerals
We have own workshop , advanced production line , eperienced workman and stricted check out flow .Pursue "Honesty, Courtesy, Innovation, Dedication", the cornerstone of "Super Quality & Competitive Price", and the strategic goal of building Rongsheng brand, to serve the clients in a timely and effective way.
Packing & Delivery:
![]() | First refractory brick on the export of special tray, to ensure that the quality of each refractory brick are qualified. |
Wrap the refractory bricks in plastic paper bag and fix it with steel strap to ensure that the refractory brick is not damaged during transport. | ![]() |
![]() | Put the refractory bricks on the container and ship it to the port and be shipped to your country. |
Customer Visit:
![]() | Vietnamese distributors, they mainly engage in refractory cement
and castables, and related to Vietnam’s electricity, steel, ceramics and other fields. | |
Indian customers on the company showcase placed in the various types of insulation brick, clay brick, high alumina bricks, fire-resistant balls, etc. | ![]() | |
![]() | Bangladesh customers came to Rongsheng Refractories,They repeatedly watch our high-quality high aluminum bricks, frequently praised. |
FAQ:
Q1: Is your Zhengzhou Rongsheng Refractory a manufacturer or trader?
A1: Manufacturer, some time we help our clients to purchase relevant products as a trader.
Q2: What’s the MOQ?
A2. No limitation.
Q3: How can we go to your Zhengzhou Rongsheng Refractory factory for visiting?
A3: (1). By Air: Zhengzhou International Airport
(2). By Fast Train: from Guangzhou to Zhengzhou, around 6 hours
from Shanghai to Zhengzhou, around 5 hours
from Beijing to Zhengzhou, around 3 hours
Q4: What’s the proportion of abroad business?
A4: Abroad market around 35%; Domestic market around 65%; and now export proportion is increasing.
Q5: Does your Zhengzhou Rongsheng Refractory provide turn-key projects?
A5: Yes, we already finished several turn-key projects at home and abroad.
Q6: Does your Zhengzhou Ronghseng Refractory supply samples?
A6: Yes, we can supply samples for free, and the freight will be undertaken by clients.
Zhengzhou Rongsheng Refractory Co., Ltd.
Our company can provide not only the domestic and foreign customers excellent quality of high-temperature thermal insulation material, but also the first-rate service including professional furnace lining design, installation supervision, engineering construction etc.
<p style="box-sizing: border-box; margin-top: 1.6rem; margin-bottom: 1.6rem; color: rgb(51, 51, 51); font-family: " segoe="" ui",="" "lucida="" grande",="" helvetica,="" arial,="" "microsoft="" yahei",="" freesans,="" arimo,="" "droid="" sans",="" "wenquanyi="" micro="" hei",="" "hiragino="" sans="" gb",="" gb="" w3",="" fontawesome,="" sans-serif;="" font-size:="" 16px;"="">We can provide our customers with professional and personalized products and engineering services according to the actual working condition and requirements of each customer, in order to meet customers’ increasing demand of energy-saving and products quality improving, Our tenet is: quality and credibility is fundamental, technology and service is the life.