Cross brick

Application of Cross brick  :
Composite mullite bricks K-1, K-2, K-3 which are developed by our company are refractory bricks specialized using in tongue crown of industry furnace and glass furnace , due to the complicated and worse using conditions in tongue crown , refractory bricks are required to have high temperature corrosion resistance to alkali , sulfur , fluorine , alum , etc, and also need have the thermal stress ability of temperature fluctuation while regenerator . the main crystalline phase of composite mullite bricks A-1,A-2,A-3 are mullite and slag temperature polycrystalline phase which adopt high-press methods and then are sintered through high temperature , this product has good using property of thermal shock resistance , crack resistance , slag erosion resistance which can completely solve the regenerator problem of tongue crown , coal , coal tar .

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Cross brick in regenerator chamber of glass furnace

Item Index
Main composition AI2O3(%) ≥60
SiO2(%) ≤20
High temperature composite slag agent ≥19
Apparent porosity(%) ≤17
Bulk density(g/cm3) ≥2.95
Cold crushing strength ≥90
Refractoriness under load T0.6 ≥1700
Thermal shock stability
(1100℃ water cooling)
1400℃×50h creep rate Excellent
Main crystalline phase Mullite > 70%
Slag temperature polycrystalline phase >27%

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1.FEDEX/DHL/UPS/TNT for samples.
2.By Sea for batch goods.
3.Customers specifying freight forwarders or negotiable shipping methods!
4.Delivery Time:3 days for common shape samples;15 days for special shape samples.Within 30 days for batch goods.

Payment Terms
1.Payment: T/T, Western Union,LC; Usually 30% paid by T/T as deposit,the rest 70% balance paid by T/T before delivery .
2.MOQ: Usually 1Tons,Customers can order certain PCS for special brick.
3.Quality Warranty: 3years.

Package Information
1.On wooden pallets with plastic cover.
2.According to customer’s requirements.

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