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Specifications
1.Low thermal conductivity2..Low thermal expansion
?Definition:
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Clay?brick?is?refers?to?the?Al2O3?content?is?30%?~?40%?aluminum?silicate?clay?products.?Clay?brick?is?made?of?soft?clay?and?50%?and?50%?of?hard?clay?grog,?ingredients?required?by?certain?granularity,?after?forming,?drying,?burning?under?the?high?temperature?of?1300?~?1400?°C.
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Composition:
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The?main?mineral?composition?of?clay?brick?kaolinite?(2?sio2,?Al2O3?·?2?h2o)?and?6%?~?7%?of?impurities?(potassium,?sodium,?calcium,?titanium,?iron?oxide).
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Advantage:
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1.Low?thermal?conductivity
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2.Low?thermal?expansion
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3.Excellent?oxidation?resistance?
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4.Excellent?corrosion?resistant
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5.long?duration
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Application:?
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1.Good?lining?refractory?materials?in?Aluminum?electrolysis?cell,furnace,kiln,incinerators,?and?reactors.
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2.As?Tuyere?combined?bricks?or?other?combined?blocks?in?Iron&steel?industry.
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3.Used?as?Kiln?shed?board,?beams,slide?push?board,?sagger.
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Performance:
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Thermal?performance?is?good,?resistance?to?thermal?shock?and?wear?corrosion?resistance?to?spalling?characteristics?such?as?high?mechanical?strength?low?creep.
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Parameter:
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| ? | TERM | Indication | ? | |||||||||||
| ? | N-1 | N-2a | N-2b | N-3a | N-3b | N-4 | N-5 | N-6 | ? | |||||
| ? | refractoriness/°C | >= | 1750 | 1730 | 1730 | 1710 | 1710 | 1690 | 1670 | 1580 | ? | |||
| ? | RUL?0.2MPa/°C,≥ | 1400 | 1350 | ? | 1320 | ? | 1300 | ? | ? | ? | ||||
| ? | ?/% | 1400°C,2h | +0.1 -0.4 | +0.1 -0.5 | +0.2 -0.5 | ? | ? | ? | ? | ? | ? | |||
| ? | 1350°C,2h | ? | ? | ? | +0.2 -0.5 | +0.2 -0.5 | +0.2 -0.5 | +0.2 -0.5 | ? | ? | ||||
| ? | Apparent?por/% | <= | 22 | 24 | 26 | 24 | 26 | 24 | 26 | 28 | ? | |||
| ? | Cold?crushing?strength/MPa,≥ | 300 | 250 | 200 | 200 | 150 | 200 | 150 | 150 | ? | ||||
| ? | ? | ? | ? | |||||||||||
? | ? | ? | ||||||||||||
SiC% | ≥ | ?72 | ||||||||||||
Si3N4?% | ≥ | 21 | ||||||||||||
Fe2O3?% | ≤ | 0.5 | ||||||||||||
Density | g/cm3 | 2.65-2.70 | ||||||||||||
Apparent?porosity?% | ≤ | 18 | ||||||||||||
Modulus?of?Rupture | Mpa (at?ambient?temperature) | 42 | ||||||||||||
Mpa(1400°C) | 45 | |||||||||||||
Compressive?strength | MPA≥ | 150 | ||||||||||||
thermal?conductivity1250°C | W/m.k? | ?15-18 | ||||||||||||
acid-proof?alkaline | ? | Excellent | ||||||||||||
Size?Difference | ?0-100mm | ±1.0 | ||||||||||||
101-300mm | ±1.5 | |||||||||||||
301-500mm | ±2.0 | |||||||||||||
501mm?above | ±0.5% | |||||||||||||
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Execution?standard:
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China?metallurgical?standard?(YB/T5106—1993)
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Usage:?
Mainly?used?for?coke?oven,?the?blast?furnace?hot?blast?stove,?ladle,?casting?system,?boiler,?cement?kiln,?glass?kiln?and?kiln?liner?and?thermal?technology?equipment,?etc.,?are?widely?used?in?in?metallurgical,?chemical,?ceramics,?casting,?machinery,?electricity,?building?materials,?oil?and?other?industries.
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?Surya?Thermal?Insulation?Material?Co.,?Ltd.?mainly?exports?all?kinds?of?industry?insulation?materials?and?refractory?materials?required?by?customers.?
The?calcium?silicate?boards?we?produced?feature?high?temperature?and?low?temperature?resistance.?Annual?output?is?30000?cubic?meters.?
Products?are?used?for?processing?equipment,?piping?and?furnace?because?of?thermal?insulation?and?soundproof?and?fireproof?characteristics.?They?are?applied?in?electric?power,?metallurgy,?prettification,?construction?and?vessel?fields.?
With?professional?technicians?and?excellent?team?members,?Tthe?products?from?our?company?got?good?evaluation?from?customers.?
? We?sincerely?welcome?you?to?negotiate?business?with?us.?You?will?get?super?products?and?super?service?from?our?company.
