$Raw Materials for Refractory:AL2O3 85%Min China Calcined Bauxite Manufacture System 1$
$Raw Materials for Refractory:AL2O3 85%Min China Calcined Bauxite Manufacture System 2$

$Raw Materials for Refractory:AL2O3 85%Min China Calcined Bauxite Manufacture$

$Raw Materials for Refractory:AL2O3 85%Min China Calcined Bauxite Manufacture System 1$

$Raw Materials for Refractory:AL2O3 85%Min China Calcined Bauxite Manufacture System 2$

Raw Materials for Refractory:AL2O3 85%Min China Calcined Bauxite Manufacture

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 20000 m.t./month

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Packaging & Delivery

Packaging Details:	within 15 days after receiving L/C or Payment
Delivery Detail:	Packing in 25kg bag or 1mt big bag

Specifications

Bauxite
1 Al2O3:>=85%
2 Fe2O3:<=2.0%
3.Bulk Density:>=3.0g/cm3
5. refractory/welding industry

AL2O3 85%min China Calcined Bauxite Manufacture

1. Calcined bauxite
AL2O3:70% min.
FE2O3:2% max.
SIZE: 1-5MM 90% min.

china calcined bauxite manufacturer since 1999
purity of al2o3 75%-90%
rotary kiln calcined bauxite
self-owned bauxite mines

Specifications of Calcined bauxite

Grade	AL2O3	SIO2	FE2O3	TIO2	K2O+Na2O	CaO+MgO	Bulk density
HX75	75min	≤17	≤3.0	≤4.0	≤0.3	≤0.5	≥2.70
HX80	80min	≤12	≤3.0	≤4.0	≤0.3	≤0.5	≥2.80
HX85	85min	≤8	≤2	≤4.0	≤0.3	≤0.5	≥3.00
HX86	86min	≤7	≤2	≤4.0	≤0.3	≤0.5	≥3.10
HX87	87min	≤6	≤2	≤4.0	≤0.3	≤0.5	≥3.20
HX88	88min	≤5	≤1.8	≤4.0	≤0.25	≤0.5	≥3.25
HX90	90min	≤3	≤1.8	≤4.0	≤0.25	≤0.5	≥3.3
Moisture(max)					0.50%

Size of Calcined bauxite

Section sand:0-0.3mm,0-0.5mm,0-1mm,1-3mm,3-5mm,5-8mm.

Fine powder:100#-0,200#-0,325#-0

Moh’s hardness: 7-8

Melting point:1770-2000 C

AL2O3 85%min China Calcined Bauxite Manufacture

Q:What refractories are resistant to fluorine gas?: It is recommended to use fused-quartz brick, which will produce hydrofluoric acid fluorine (an acidic gas) when water vapors. It is cheap. While it is recommended to use silica?brick if it exceeds 1,200 degrees. So acidic refractory is an advisable refractory for using. It works well if the temperature is below 1200 degrees.

Q:How to distinguish the fire?rating of rubber and plastic thermal insulation material?: According to GB 8624-2006 "building materials and combustion products classification", the division of the material's combustion performance grade is changed from five levels of level A (homogeneous material), A (composite sandwich material), B1, B2 and B3 to seven levels of A1 , A2, B, C, D, E and F or A1f1, A2f1, Bf1, Cf1, Df1, ef1 and Ff1 or A1L, A2L, BL, CL, DL, EL and FL . The level B1 rubber and plastic fireproof and thermal inuslation matertial is the best, but the most commonly used one is level B2. Hope it will help you.

Q:what's the detailed address of fireproof and thermal inuslation matertial market?: Detailed address of fire insulation materials market is as follows: A: Guangzhou Huatai building materials co., LTD. Address: Guangzhou Tianhe Chepo Road no. 10 B: Address of Donglong building materials market: Guangzhou Tianhe Taian North Road no. 7 C: Address of Huiya building materials trade market : Guangzhou Tianhe Sports West Road No. 109

Q:Does anyone know the difference between refractory and thermal insulation material?: The main difference between insulation bricks and refractory bricks are as follows: 1. Insulation effect The heat conductivity cofficient of insulation bricks is usually 0.2-0.4 (average temperature of 350 ± 25 ℃) w / mk while the heat conductivity coefficient of refractory bricks is 1.0 (average temperature of 350 ± 25 ℃) w / mk or more. Thus it can be seen that the insulation effect of insulation bricks is much better than that of refractory bricks. 2. Refractoriness The refractoriness of insulation bricks is generally below 1,400 degrees centigrade while the refractoriness of refractory bricks is above 1,400 degrees centigrade. 3. Density Insulation bricks are generally light-weight insulation material, and the density is generally 0.8-1.0g / cm3. But the density of refractory bricks is above 2.0g / cm3.

Q:Who knows the model of fireproofing materials?: There are many kinds of fireproofing materials, it's hard to discuss it in detail, but i can talk about the PC fireproofing material with you. There are various models of PC fireproofing materials, the materials manufacturer usually used are common materials; it's divided into the following levels according to fire?rating: UL94 VO level, UL94V1, general products can reach V2 level. hope it can help you.

Q:Is it normal for caable fire resistant material to catch on fire?: Abnormal, preventive measures: 1 take fire preventive measures. Measures taken for fire retardant measures of cable: (1) seal closely with fire resistant materials holes ran by cables through walls, shafts to prevent the cable fire, high temperature gas diffusion and spread when cables are on fire. (2) to wrap the cable with the insulation refractory material, when the cable is surrounded with fire, warpped cable is insulated by the insulation material from fire, so it will not be burned. If the cable itself is on fire, fire will be extinguished thankes to lack of oxygen in warpped cable, to avoid the fire to spread out. 2 to strengthen the cable circuit switch and regular protective check and maintenance, to ensure that the action is reliable. 3 to strengthen the cable operation and monitoring, to avoid the overload of the cable operation. . 4 regularly clean dust on the cable, to prevent cable from catching on fire due to the accumulation of dust. 5 to ensure the construction quality, the quality the cable must be strictly in line with the requirements and standards. 6 cable laying should maintain enough distance form the heat pipe, control cable is no longer than 0.5 meters; power cable is no longer than l meters. Control cable and power cable should be divided into slots, be layered and seperated instead of being overlapped . For the parts that do not meet the requirements, measures must be taken to insulate heat and fire. 7 regularly teat cable , abnormal problem should be handled in a timely manner. 8 install fire alarm so that fire will be discovered on time, and cables will not catch on fire. 9 the cable trench should be kept dry to prevent the cable from being affected with damp, or leading to declined insulating function and short circuit.

Q:Does the production of refractory belong to advanced technology？: It certainly is advanced technology as it is the new material.

Q:How to choose construction external wall thermal insulation and fireproofing materials?: The width of fireproof partition shuld be greater than 30CM, and the thickness should be the same as total thickness of thermal insulation materials. Fire barrier zone thermal insulation board and base wall should be stuck in whole area. Fire Barrier zone thermal insulation board should be stuck with the assistance of anchor bolt which must press the mesh of the bottom layer. Fire Barrier zone should be set above the door and window, with a distance of less than 50cm between the lower edge of fire barrier zone and the upper edge of window.

Q:What is the fire resistance thickness of the thin fire-retardant coatings?: There is no detailed requirement on the thickness of the thin steelwork fireproof coatings and the thickness there refers to a certain thickness which must(at least) have fire resistance for a certain time. The thickness of fireproof coatings in engineering generally depends on the manufacturer's test reports. Our thin steelwork fireproof coatings: the fire resistance is 2.5 hours, the thickness is 4.9 mm, the fire resistance is 2.0 hours, the thickness is 3.5 mm, the fire resistance is 1.5 hours, the thickness is 1.75 mm, the fire resistance is 1.0 hours, the thickness is 1.17 mm.

Q:what's the materials of fireproof?housing?: Prefabricated houses take rock wool board as its wall materials to ensure prefabricated houses and color steel mobile home reach A-class fireproofing standards.

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