HIgh Purity Magnesia Castables

Ref Price:
Loading Port:
China Main Port
Payment Terms:
TT OR LC
Min Order Qty:
-
Supply Capability:
-

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Product Description:

Specifications

color:light grey
Shape: powder or fine powder
Composition:SiO2 Al2O3
CaO TiO2 Fe2O3
widely used in petroleum chemical smelt

color:light grey
Shape: powder or fine powder
Composition:SiO2 Al2O3
CaO TiO2 Fe2O3
widely used in petroleum chemical smelt

High Alumina Refractory Castable  is mixed by corundum, high quality bauxite clinker,silicon carbide as aggregate,all kinds of powder,ultra-fine powder,micropowder,á-alumina powder and admixture with mixture rations according to differernt varieties.Its main characters are below:

    1 High strengh in normal and medium temperature.

    2 Good wear resistance and erosion resistance.

    3 Good thermal shock stability.

Main Physical and Chemical Characteristics

Items

Index

NO.

SHF-200

HF-160

HF-135

HF-130

Chemcial composition(%)

Al2O3

>80

>75

>65

>60

SiO2

<15

<19

<28

<34

Bulk Density(g/cm3)

110°C×24h

3.0

2.8

2.5

2.4

1000°C×3h

2.9

2.8

2.5

2.4

Modulus of Rupture(Mpa)

110°C×24h

12

10

8.5

7.0

1000°C×3h

18

15

13

11

Cold Crushing Strength(Mpa)

110°C×24h

120

90

68

50

1000°C×3h

180

120

95

80

Liner change after buring

1000°C×3h

±0.2

±0.2

±0.3

±0.3

Wear resistance(AMTMc-704)

3.0

5.0

7.0

9.0

Heat Conductivity (W/m.k)

1.6

1.5

1.5

1.5

Thermal shock resistance(times)(1000°C water cooling)

35

30

25

20

Refractoriness °C

1790

1790

1750

1730

Max Working Temperature

1550

1500

1400

1350



FACTORY:


Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:What are the specifications of fire resistant bag?
Currently there are four specifications: C10, C40, B40 and B50 suitable for steel ladle of less than 60 tons. I hope it can help you.
Q:How much is refractory spraying coatings?
Price: 1400.00 yuan refractory spraying coating brand / model: Jinshi fire resistant material| Brand: Jinshi fire resistant materials | Place of production: Henan refractory temperature: 1200 ~ 1400 (℃) | Material: Customization according to your needs Price: 2150.00 yuan refractory spraying coating brand / model: Tagore | thermal conductivity coefficient (at room temperature): 0.035W / (m · k) | refractory temperature: 1580~1770℃(℃)Price: 122.00 yuan refractory spraying coating brand / model: Jinshi | Tensile strength: | Compressive strength: tearing strength: Excellent | Temperature: 1000 ℃ | Form: Fibrous The above prices obtained from the Internet are for reference only, and please pay attention to the purchasing price.
Q:How is refractory material made?
It is made from yellow mud and water.
Q:What is the difference between wear-resistant material and refractory material?
Focus is different. Some materials are called wear-resistant and refractory material. For example, refractory castable with high strength and wear-resistance, impressionable plastic material or brick. They all begin with fire-resistance and wear-resistance.
Q:For refractory, why is it necessary to store the first mixing materials for some time under proper moisture and temperature?
It is mainly to remove gas form chemical reactions in the pug, give full play to plasticity and binding properties of combined, and store unburned brick whose cememting agent is phosphoric acid or aluminium phosphate for some time under proper moisture and temperature. For example, to avoid the formed bricks in the initial stage of drying and firing form cracking due to hydration of calcium oxide. Mixing materials is to store the first mixing materials for some time under proper moisture and temperature in order to improve the evenness and moldability of pud, such as making the distribution of combined clay and water more even. The length of storing chiefly depends on the process requirements and the characteristics of blanks. For the producing pug of high temperature kiln furnitures, the storing time is longer. The function of storing mxing materials varies with different natures of blanks. For honeycomb ceramics, it is to fully digest calcium oxide in blanks. For storing magnesia brick blanks containing much calcium oxide, it should be stored for some time in proper humidity and temperature.
Q:How many kinds of A-level fireproof and thermal insulation materials are there?
Shenyang polystyrene board, extruded sheet, polystyrene particles, and polystyrene plastic plates...
Q:What kinds of fireproof materials does the safe use?
The fireproof materials of safe, copper is one of the most widely used material of locks for its good mechanical performance, corrosion resistance and processibility and beautiful colors.
Q:What's the refractory material in common use currently?
(1) Alumina-silica refractory brick: Except the transition band, hot end and firing zone of the rotatory cement kiln, it can be applied to the whole burning system of the precalcining kiln, such as the fixed wall lining, wicket, cooling machine, tertiary air duct, burner, etc. It mainly includes alkali-resisting brick, high alumina (anti stripping) brick, silica-mullite brick, etc. (2) Basic refractory: For the upper transition band close to the part of burning zone and the burning zone, its inner lining can endure the highest flame temperature of 2000℃ and material temperature of 1350℃-1400℃, and it also has to withstand the permeation of sulfur and alkali compounds, permeation, thermal shock and oxidoreduction of hot-melt clinkers (liquid phase), mechanical stress of elliptic cylinder deformation, etc. Therefore, inner linings are the most demanding parts to withstand stress, and only basic refractory can meet with requirements under this working condition. (3) Fireclay insulating refractory: Its microstructure has notable characteristics of high porosity, large pore size and thermal insulation performance. For its low volume density and light weight, it is usually referred to as lightweight refractory. Fireclay insulating refractory product has great varieties, and it is usually classified and named according to its chemical and mineral compositions or production raw materials, and it is also classified according to its operating temperature and material form. Currently, the most used main thermal insulation material for the precalciner kiln system at home and abroad is calcium silicate board; besides, light weight castable and insulating fire brick are increasingly used year by year. Other thermal insulation materials are mainly ceramic fiber products.
Q:How to apply the alumina powder on refractories?
The most common one in use is the refractory bricks.
Q:Who knows how many kinds of fireproof insulation materials are there in the market?
Portland cement, insulation stone, calcium powder and platycodon grandiflorum are the main raw materials of inorganic active insulation materials. Advanced manufacturing techniques and chemical Technologies have been used to conduct many tests, thus the close-celled inorganic active insulation materials are successfully developed. Products have advantages of fire-resistance, small deformation coefficient, aging-resistance, stable performance, environmentally-friendly, and good compatibility with rendering coating and subtractive wall, security, stability, and also have a life as long as the building itself. Good fireproofness: The materials of fireproof insulation board are inorganic (cement) which has A1-level fire-resistance, are non-combustible materials, and good at resisting fire. I hope my answer can help you.

1. Manufacturer Overview

Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range