



Mainly used in petrochemical industry, large and medium-sized synthetic ammonia gasifier and magnetic material gas furnace materials, high temperature industrial kiln supporting facilities materials.
Hot surface lining materials for industrial furnaces, such as annealing furnaces, carbonizing furnaces, tempering furnaces, oil refining furnaces, cracking furnaces, roller furnaces, tunnel furnaces, etc.; Industrial furnace backing insulation materials, such as glass tank kiln; Reductive atmosphere furnace.
Item | High purity corundum brick DL-99 | Corundum mullite brick DL-95 | Corundum mullite brick DL-90 | Corundum mullite brick DL-80 |
AI2O3 % ≥ | 99 | 95 | 90 | 80 |
SiO2 %≤ | 0.3 | 3.0 | 9.0 | 18 |
Fe2O3%≤ | 0.2 | 0.2 | 0.5 | 0.5 |
R2O% ≤ | 0.3 | 0.6 | 0.6 | 0.4 |
Bulk density/(g/cm³) | 3.0 | 2.9 | 2.85 | 2.7 |
Compressive strength at room temperature /Mpa≥ | 75 | 100 | 100 | 60 |
RefractorinessºC | 1790 | 1790 | 1790 | 1790 |
Load softening starting temperature 0.2Mpa ºC≥ | 1700 | 1700 | 1700 | 1650 |
Heavy burn line change (1600ºC×3h)% ≤ | 0.2 | 0.2 | 0.2 | 0.3 |
Thermal stability 1100ºC Water-cooling≥ | 6 | 10 | 10 | 20 |
Q1 : What's the MOQ. Can I get a sample of free?
A1: MOQ, according to the actual situation. We can offer a sample of free. Please, friendly bear the shipping cost.
Q2 : When can i get the quotation?
A2: We can give you reply with quotation quickly if you kindly send the inquiry with following factors: working temperature, maximum working temperature, bulk density, dimension (length*width*thickness), and quantity.
Q3 :What's the MOQ of trial order?
A3: No limit, we can offer the best suggestions and solutions according to your condition
Q4 : What is the HS code?
A4: The HS code is 68061010.
Welcome your inquiry and expect to provide satisfactory products and services for you.