$Raw Materials for Refractory:Sintered Spinel Made in China System 1$
$Raw Materials for Refractory:Sintered Spinel Made in China System 2$

$Raw Materials for Refractory:Sintered Spinel Made in China$

$Raw Materials for Refractory:Sintered Spinel Made in China System 1$

$Raw Materials for Refractory:Sintered Spinel Made in China System 2$

Raw Materials for Refractory:Sintered Spinel Made in China

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 5000 m.t./month

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Packaging & Delivery

Packaging Details:	In 25kg blastic woven bags; In 1000kg jumbo bags.
Delivery Detail:	according to the order quantity

Description:

SIMAS65 is a kind of sintered spinel made of high purity alumina powder and high quality active

magnesia, sintered at super-high temperature. It has low creep rate, small thermal expansion

coefficient, the strong ability of anti-chemical corrosion.

Applications:

SIMAS65 is used for making high quality castables for ladle and for con-casting slide plates, SIMAS65 is also widely used for making blast furnace hearth, stove and ceramic kiln.

Typical Chemical Analysis:

ITEM	SINTERED SPINEL
ITEM	MAS-90	MAS-78	MAS-66
Al2O3	88-91%	76-79%	64-67%
SiO2	0.2% max	0.3% max	0.4% max
Fe2O3	0.2% max	0.5% max	0.5% max
CaO	0.4% max	0.6% max	0.6% max
MgO	9-11%	20-23%	32-35%
Na2O+K2O	0.3% max	0.3% max	0.3% max
BD.- g/cm3	3.3 min	3.25 min	3.2 min

Typical Physical Properties:

Magnetic material 0.02%max.

Apparent porosity 3.0%max.

Water absorption 1.0%max.

Density of volume (g/cm3) 3.25min.

Split Sizes Available :

5-3mm, 3-1mm, 1-0mm, 0-200mesh

Other size available upon request.

Pictures:

$Refractory Raw Material Sintered Spinel Made in China$

Q:I am a manufacturer of refractory materials. I would like to receive some orders from abroad. I would like to know what foreign trade companies in Dalian place foreign orders abroad: Dalian foreign trade companies are numerous, and fire prevention materials are also quite a lot

Q:what is the grading standards of external wall thermal insulation materials?: external wall thermal insulation materials are divided according to Fire rating: 1, the combustion performance of insulation materials rates A. inorganic fiber spray coating, glass wool, foam glass, foamed ceramic , rock wool, foam cement, obturator perlite 2, the combustion performance of insulation materials rates B1: Extruded polystyrene board (XPS)after special treatment / polyurethane (PU) after special treatment, phenolic aldehyde, gelatine powder polyphenyl granule.3, combustion performance of insulation material rates B2. Molded polystyrene board (EPS), extruded polystyrene board (XPS), polyurethane (PU), polyethylene (PE), etc.

Q:Does anyone know what is a lightweight refractory material?: Heat preservation and insulation layer used only for Thermal Equipment has poor wear resistance, loose organization and high porosity(40%~85%) . The definition of light refractory material: low thermal conductivity, good performance in thermal insulation , weak mechanical strength, low volume density(generally below 13).

Q:What's the definition of fire endurance of the fire-resistant coating for steel structure?: 1. Fire endurance. Conduct fire resistance test of any building component according to the standard time-temperature curve, and the time when it is subjected to the fire to the time when it loses support capability or fire insulation function or its integrality is destroyed is referred to fire endurance. 2. Steel has relatively low fire endurance which is usually 0.25h only, namely 15 minutes; 3. Of steel structure buildings, steel can be used as beams, pillars, etc. but its fire endurance is not enough (usually these components have higher requirement on fire endurance, and take pillar as an example, it is usually demanded that the fire endurance should be 2-3h), and under this condition, it needs to brush fire retardant coating so as to raise the fire endurance. As to the specific quantity or types of the fire retardant coating, it is decided upon the actual conditions. In short, the building material needs to meet the required fire endurance of the buildings.

Q:What brands are the best in the A-level refractory materials?: This is two descriptions, glass wool refers to the texture of insulation materials, and A-lever refers to the combustion performance of fireproof materials. Generally the glass wool can achieve A-level combustion performance, unless you have add too many other combustible materials to it.

Q:How long is the fire-fighting time of A class fire resisting window?: Duration of fire resistance of fire resisting window: A class window is not less than 1.2 hours; B class window is not less than 0.9 hours and C class window is not less than 0.6 hours. Technical Requirements: 1materials and accessories (1) window frame structure adopts stell framework and wooden framework that have a certain strength to ensure integrity and stability. (2) steel framework and batten can choose galvanized steel plate or stainless steel The selection criteria meet requirements of GB12955 steel fire door general technical conditions in the provisions of article 5.1. The selection criteria of wooden framework and batten meet requirements of GB14101 wooden fire door general technical conditions in the provisions of article 5.1.1. Filling material of steel and wooden framework shouldn't adopt non-combustibility material. (5) fire-fighting glass can adopt testing-qualified product that don't influence fire resistance performance of fire resisting window. Light transmittance of glass is not less than 75% of the same layer common plate glass. (6) Sealing material between framework and fire-fighting glass should adopt Flame retardant material which can serve as fire-fighting and smoke-resistant when encounter fire disaster. (7) hardware fitting should accessories product that is tested to be qualified. 二. installation requirement: 1. When Party A takes over goods, he should check numbers, specification, grades and whether Accessories are Conformed and complete according to contract.

Q:About the use of horseshoe glass kiln refractories: the lower portion of advanced clay brick, the lower portion of magnesia-chrome brick arch - high-purity silica brick; flue - clay brick; breast wall--33 # fused zirconia corundum brick (with shrinkage); fused zirconia bottom --33 # fused zirconia corundum brick (with shrinkage); regenerative chamber- the upper part of sintered magnesia-chrome brick, cooling section 33 # electric?smelting no shrinkage fused zirconia corundum brick; the wall - the melting section 41 # no shrinkage fused zirconia corundum brick (including 41% of zirconium; the lattice- superstructure of high purity magnesia brick, the same below); small stove --33 # fused zirconia corundum brick (with shrinkage). It can be said that it is the maximum configuration, if the funds is limited it can be downshift appropriately.

Q:What are the common refractory insulation cotton material?: I know less about this, I hope the following will help: Fire resistant thermal insulation material mainly refers to inorganic thermal insulation material and compround thermal insulation material. According to the shape can be divided into: Fibrous finishes, slag wool, rock wool, glass wool, aluminum silicate cotton. ceramic fiber, micro pile of diatomite, calcium silicate, expanded perlite, expanded vermiculite, aerated concrete etc., foam like bubble glass, volcanic ash glass, foam clay, foaming concrete, paste powder polystyrene particles insulation slurry

Q:Using what kind of melting aluminium furnace refractories is more appropriate?: If it's the ordinary, you can use high aluminum refractory brick with general clay, GB/T 3994-2005 clay heat insulation refractory brick. If you need these with good material, there is high alumina thermal insulation refractory brick, GB/T 3995-2006 high aluminum heat insulation refractory brick, models have A13 and material is the alumina, A13 50 u, high insulating brick B5.Intermediate insulating brick B2, etc. Dolomite brick: good hang kiln performance, good erosion resistance, but brick is usually without f - CaO, hydration, and difficult to transport and storage, less used in the production. Magnesia-chrome bricks: good hang kiln, used in calcining zone. The disadvantage is that its thermal shock resistance is poor and plus hexavalent Cr is toxic, the production and use of magnesite chrome bricks in international countries gradually reduce. Now unit using the brick find replacements as soon as possible.

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