Zhengzhou Annec Industrial Co., Ltd.

Continuously Pushing Forward R& D of HBS for BF and Progress of Refractory Technology To Become Preferred Global Supplier in High Temperature Industry

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High Acid Resistance Yellow 1720C Fire Resistant Brick

High Acid Resistance Yellow 1720C Fire Resistant Brick

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Brand Name :ANNEC
Model Number :ARN-40
Certification :ISO,CE
Place of Origin :China
MOQ :100 pcs
Price :usd0.8/pcs
Payment Terms :D/P, T/T
Supply Ability :2000 tons/month
Delivery Time :5-8 working days
Packaging Details :fumigating pallet
Color :Yellow
Al2O3 :≥42%
Fe2O3 :≤2%
CCS :≥40MPA
RUL :≥1280℃
Refractoriness :≥1400℃
Shape :standard or customized by your drawings
Apparent Porosity :≤23%
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High Acid Resistance Yellow 1720C Fire Resistant Brick

Physical and chemical indexes:

ItemUnitIndex
Bulk densityg/cm22.31-2.4
Water absorption%<0.5
Acid resistance%99.8
Flexural strengthMpa42
Crushing stengthMpa120
Thermal stability130°c-20°cNo crackle after 3 times


Chemical composition (%)

SiO2Al2O3K2ONa2OCaOMgOFe2O3
69.822.52.70.950.820.820.49



The Fireclay Acid Resist Acid Brick is comparable to that of silica bricks, up to 1690~1730℃, but the softening temperature under load is more than 200℃ lower than that of silica bricks.

In addition to the high refractory mullite crystals, the clay bricks also contain nearly half of the low melting point amorphous glass phase.
In the temperature range of 0~1000℃, the volume of Fireclay Acid Resist Acid Brick expands uniformly as the temperature rises.

The linear expansion curve is approximately a straight line, and the linear expansion rate is 0.6%~0.7%, which is only about half of that of silica bricks.

When the temperature reaches 1200 ℃ and then continue to rise, its volume will start to shrink from the maximum expansion.

The residual shrinkage of Fireclay Acid Resist Acid Brick leads to the loosening of mortar joints in masonry, which is a major disadvantage of clay bricks.

When the temperature exceeds 1200°C, the low melting point substances in the Fireclay Acid Resist Acid Brick gradually melt, and the particles are tightly pressed against each other due to surface tension, resulting in volume shrinkage.
Production practice in China has proved that before crushing, high-aluminum clinker is strictly sorted and classified, and stored in tiers.
The use of bauxite clinker and combined clay fin grinding method can improve product quality.

Competitive Advantage:

  1. Competitive Price. Make the products competitive in your market.

  2. Abundant Experience. Prevent cracks and twist in bricks.

  3. Different Moulds. Save mould fees for you.

  4. Strict Quality Control. Meet clients’ quality requirement.

  5. Large stocks. Guarantee prompt delivery.

  6. Professional Packing. Avoid damage and secure the goods in transportation


Features
1. as high acid resistance
2. Low water absorption
3. Oxidation at room temperature is not easy
5. High pressure resistance
6. Easy to clean
7. Strong acid and alkali corrosion resistance (parameter>99.8)
8. Convenient for installation
9. Uniform gas and liquid distribution
10. Reliable structure and chemical stability
11. Long service life, more than 3 years warranty
12. High Working temperature: 1650C-1720C
13. Accurate size, small Tolerance


High Acid Resistance Yellow 1720C Fire Resistant Brick
High Acid Resistance Yellow 1720C Fire Resistant Brick


High Acid Resistance Yellow 1720C Fire Resistant BrickHigh Acid Resistance Yellow 1720C Fire Resistant Brick
High Acid Resistance Yellow 1720C Fire Resistant Brick

Zhengzhou Annec Co.,Ltd. is a national hi-tech company, and is accredited with ISO9001:2008 quality control system standards, ISO12001:2004 environmental control system standards, and GB/T28001-2011 HAZOPS. Annec has set up a thorough and effective management system with practical considerations for her employees and community, and is persistent in promoting employee self-value and product quality. With these efforts, Annec was awarded the prestigious 2012 Zhengzhou Mayor Quality Prize.











































China High Acid Resistance Yellow 1720C Fire Resistant Brick for sale

High Acid Resistance Yellow 1720C Fire Resistant Brick

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