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Help CenterSell Silica Bricks With High Quality and Good Prices in China
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Overview
Quick Details
Place of Origin:
Shape: Brick
Material:
SiO2 Content (%): 90%-98%
Al2O3 Content (%):
MgO Content (%): 0.1%
CaO Content (%):
Refractoriness (Degree): Common (1580°
CrO Content (%):
SiC Content (%): 0
Model Number:
Brand Name: HCR
Product name:
Application: Glass furnace ,Blast stove
Raw material:
Bulk Density(g/cm3): 2.3-2.5
Size:
Sample: Free
Packing:
MOQ: 25mt
Advantage:
Apparent porosity/%: 22-25
Supply Ability
3000 Metric Ton/Metric Tons per Month
Packaging Details
Wooden Pallet
Port
Qingdao
Product Description
1. Product DetailsSilica brick is the acid refractory ,which consist mainly of tridymite, cristobalite, and a small amount of residual quartz and glass phases.
The silica content is 94% or more. It has acid slag corrosion resistance and higher high temperature strength. The load softening start temperature is 1620~1670 °C. Long-term use at high temperatures does not deform. The thermal shock stability is low (heat exchange in water for 1~4 times). This residual expansion will make the joints tight and ensure good air tightness and structural strength of the masonry.
2.Featuresa.Good acid erosion resistance
b.Refractoriness 1690-1730°C
c.Higher refractoriness under load,above 1620-1680°C
d.Poor Thermal shock resistance,should not be used for the zone which temperature has rapid change
e.Poor Volume stability at high temperature,must set aside appropriate expansion joint when laying brick
f.True density is changed between 2.33-2.42g/cm3,the smaller, the better
3.Technical Data
-------------------------------------------------------------------------------------------------
|
Name
Item |
Silica brick for coke oven G-D |
Silica brick for hot blast stoves RG-94 |
Silica brick for glass furnace BG-95 |
Normal Silica brick |
|||
GZ-95 |
GZ-94 |
GZ-93 |
|||||
|
Chemical Competent % |
SiO2 |
≥93 |
≥94 |
≥95 |
≥95 |
≥94 |
≥93 |
Al2O3 |
≤1.5 |
≤1.0 |
≤1.0 |
||||
Fe2O3 |
≤1.5 |
≤1.5 |
≤1.0 |
||||
CaO |
≤3 |
≤2.5 |
|||||
True density,g/cm3 |
≤2.34 |
≤2.34 |
≤2.34 |
≤2.37 |
≤2.38 |
≤2.40 |
|
Apparent porosity, % |
≤22 |
≤22 |
≤22 |
≤22 |
≤23 |
≤25 |
|
Cold crushing strength, Mpa |
≥35 |
≥35 |
≥35 |
≥30 |
≥25 |
≥20 |
|
Refractoriness ℃ |
≥1690 |
≥1710 |
≥1710 |
≥1710 |
≥1710 |
≥1690 |
|
|
Initial soften point under load(℃)2MPa×0.6% |
1650 |
≥1650 |
1650 |
≥1650 |
≥1640 |
≥1620 |
|
|
Creep rate(%) 2MPa·1550℃×2h |
≤1 |
||||||
|
Permanent linear change on reheating,% 1450℃×2h |
+0.2 |
||||||
4. Appplication
It is widely used for coke oven, glass smelting kiln furnace,steel furnace , Hot-blast stove, Hot-blast stove etc.
Packing & Delivery
Shipment by sea, packed into container with pallet and ton bag
Shipment by train, packed into waggons with pallet
Tests
We usually test at least three times by professinal testing equipments before deliveries.Our company's testing equipmets are as follows:
1.High Temperature RUL Tester
2.Bulk Density Tester
3.The Pressure Tester
4.Refractoriness Tester
---------------------------------------------------------------------------------------------------
Why Choose Zhengzhou Huachen Refractory Co.,Ltd ?
2.Strictly QC requirement.
3.Advanced technology.
4.Located in raw materials area,supplying us premium quality raw material with competitive price.
5.Convenient transportation, provide quick lead time, reduce the shipment cost.
7.Provide the furnace solutions.
FAQ
1.How about your payment term ?
• we can accept payment by L/C at sight, T/T with deposit.
2.Do we supply samples?
• Yes,we are pleased to provide free sample you required.
3.What is MOQ?
• No requirement, usually need 5mt, except samples
4.Can the clients visit your factory?
• Of course,we are pleased for this .
5.what is the delivery date usually?
• 20~40days.but usually according to your order quantity.
6.How to ensure the quality of shipping products?
• We have strictly QC required from the raw materials into our factory to the final products leave our warehouse.
• We are pleased if you can arrange inspection before shipment, also we accept the third part inspection.
7.Which certifications do your company have ?
• ISO9001 and Test Report,we can provide other necessary certifications if you need .VV
Send Inquiry to This Supplier
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