• REFRACTORY CALCINED ALUMINA WITH LOW NA2O 0.04 System 1
  • REFRACTORY CALCINED ALUMINA WITH LOW NA2O 0.04 System 2
  • REFRACTORY CALCINED ALUMINA WITH LOW NA2O 0.04 System 3
REFRACTORY CALCINED ALUMINA WITH LOW NA2O 0.04

REFRACTORY CALCINED ALUMINA WITH LOW NA2O 0.04

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
10000 m.t./month

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Quick Details

·         Place of Origin: Shandong, China

·         Shape: powder

·         Material: Alumina

·         Al2O3:99.2%min

·         SiO2:0.05%max

·         Fe2O3:0.04%max

·         CAO:0.04%max

·         NA2O:0.04%max

·         Refractoriness (Degree):1770°< Refractoriness< 2000°

·         Model Number:Customer's Requirement

·         Brand Name:CMAX

·         Application:Metallurgy and Refractory

·         Product name: Calcined alumina

·         Color: White

·         Size:D50:3-5um/2-3um/1-3um

·         BULK DENSITY:N/A

·         Certificate:ISO9001

·         Usage:Fire Resistance Place

·         Type:Raw Refractory

·       Packaging Details:Bags/As costomer's requirement'

 

 

REFRACTORY CALCINED ALUMINA WITH LOW NA2O 0.04

 REFRACTORY CALCINED ALUMINA WITH LOW NA2O 0.04

 

Quality assurance:

1.On a regular basis or as per your request,we entrust national testing agencies to conduct quality inspections

2. Strictly in accordance with the ISO9001-2008 international quality system standard,we monitor and manage the whole process throughout production,quality testing,and measurement to ensure product quality

 

FAQ:

Q: What kind of payments does your support?
A: T/T, L/C, Cash are accepted.
Q: Do you charge for the samples? 
A: Accordeing to our company policy, the samples are free, you only charge the freight fee. And we will return the freight fee during the next order. 
Q: Can you produce according to customers' design? 
A: Sure, we are professional manufacturer.
Q: Do you have other products?
A: Yes, please check our other products in website.

 

Q:What types does soft fire prevention materials have?
1. In new fire retardant coatings, expanded vermiculite, expanded perlite heat insulation material and cenosphere adiabatic powder are an integral part of thick film type fire-retardant coating. They are also the main factors influencing the fire fire retardant coating performance level. And fireproof heat insulation performance of fire retardant coating is based largely on the back fire coating surface temperature factors, and also related to the fire resistance. If the time of reaching the same temperature is longer, it means its insulating fire stays is better, so the fire resistance is higher. 2. The new type of fire prevention board. Now new type of fire prevention board are welcomed by the people is mostly due to its environmentally friendly. And with an increasing number of high-rise building, the fire and strength requirements are constantly improved. It is a big test for plate performance and the standard. Now fire prevention board mainly adopts siliceous materials or calcareous materials, and then stick with the fiber material, light aggregate, binder and the mixture of chemical additives. In this way, it can not only act as fire prevention, but also can improve the thermal insulation performance, and with light quality, good bearing capacity, good durability, no aging problem. More importantly, it is environmental protection. 3. The new flame retardant materials. New flame retardant material currently focus on in polymer composite material, which performance is good with very good high temperature resistance and heat resistance, therefore it's not easy to deform after the fire. At high temperature, it also can use for a long time, so as to ensure the safety.
Q:Preparation of refractory clay
Is it to make refractories? Add some andalusite to the refractory mortar will improve the effect.
Q:What are grade classifications of the external walls for fireproofing?
The basic level can be divided into: A1, A2, B1, B2, B3 and other levels. There are many technical indicators to make specific division, but I partly cannot report for a while, because it is very professional and technical. Please contact Qingdao Shanfang Instrument Co., LTD for details, they specialized in the external wall thermal insulation materials fire?rating testers.
Q:what should be paid sttention when buying the refractory?
First, look at the appearance of the product, it will be better if the surface of product is smooth, if there are the injuries and damages which may influence the use, do not use it. Second, the main characteristics of insulation material is flame resistance, reduce the loss of fire occurred at the time of purchase combustion performance testing products, non-combustible stone wool products are the best. Third, refractory insulation with good hygroscopicity is also very important, it can keep your room drying for a long time , played the role of moisture-proof, and more capillary, the hygroscopicity is better.
Q:Who knows that among refractory materials, insulation boards from which refractory material industry is superior in quality?
Using high temperature insulation material during casting process .In the molding, assembly the insulation?board on the ingot head or install heat insulation cap . There are three ways to install the molded steel insulation board and install insulation?board on at the head of the ingot, namely, clamping, nail fixation and mosaic technique.Compared with clay-based liner, the use of insulating board will improve high steel billet rate up to about 5% to 10%.
Q:What is streaming fireproof material?
Streaming fireproof material is castable refractory that can flow and degas without virbration, which is suitable for thin-wall or places that cannot be molded by vibration because of complex shapes. Well, appropriate amount of water is necessary for it. Its characteristic goes that it can be cast into various shapes of construction body without virbration and it will not reduce or not significantly reduce the performance of castable at the same time.
Q:What is the new fireproofing standard of external wall thermal insulation materials?
1, The height of fire barrier zone is not less than 300, and the thickness is same to the external insulation system; 2, the horizontal dividing joint should be set on the boundary between fire barrier zone and thermal insulation system; 3, Fire barrier zone is usually set in the horizontal direction, the fire barrier zone should be set above the door and window openings, the distance between the low edge of barrier zone and upward side of the hole should not exceed 500mm; 4, The construction of fire barrier zone insulating layer should carried on from bottom to top with EIFS insulating layer, which is not first leave the place in the EIFS insulating layer, and then paste fire barrier zone insulation board; 5, pasting the insulation board fire barrier zone insulation board and EIFS insulation board should be stitched closely, the width is more than 2mm gap application EIFS insulation materials or fire-retardant foam polyurethane padding;
Q:What effect does aluminium powder play in refractory bricks?
Aluminum powder is the main temperature resistant material ~ ~ ~ ~!
Q:What are the requirements of refractory temperature of refractory brick?
Refractory temperature of refractory brick is 1650 degree.
Q:How to prolong the furnace age of Induction furnace by using fireproof materials?
magnesia solid materials have thermal endurance and erosion/ performance and its change of temperature is likely to cause cracks. properties of materials (aluminum) in such case have to be taken into consideration.

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