Place of Origin:
China
Brand Name:
Annec
Certification:
ISO
Model Number:
NG135-1.3, NG135-1.2, NG135-1.1,NG135-1.0
price for good quality high strength lightweight fireclay insulating refractory fire clay brick
Product parameters
Clay Insulating bricks are made of refractory clay with Al2O3 content of 30%~48%.Using refractory clay, cenosphere, and refractory clay clinker as raw materials, adding binders and sawdust, after batching, mixing, molding, drying and firing. It features low density, high porosity, and low thermal conductivity.
| Clay Insulating Brick | ||||
| Item | NG135-1.3 | NG135.1.2 | NG135-1.1 | NG130-1.0 |
| Bulk Density (g/cm3) | ≤1.3 | ≤1.2 | ≤1.1 | ≤1.0 |
| Cold Crushing Strength (MPa) | ≥5.0 | ≥4.5 | ≥4.0 | ≥3.5 |
| Linear Change on Reheating(5h,≤2%) | ≥1350 | ≥1350 | ≥1350 | ≥1350 |
| Thermal conductivity(350±25)℃ (W/mK) | ≤0.55 | ≤0.50 | ≤0.45 | ≤0.40 |
Features of Insulating Brick
Applications of Insulating Brick
The refractory linings of hot surfaces or backing heat-insulating layers of other refractory materials. The refractory linings or heat-insulating materials of the industrial furnaces in the petroleum or chemical industries , such as , ethylene pyrolysis furnaces, tubular furnaces, reforming furnaces of synthetic ammonia, gas generators and high-temperature shuttle kilns, etc.
Specifications of Insulating Brick
FAQ
Q1 : How can you control your quality?
A1 : For each production processing, Zhengxing have complete QC system for the chemical composition and Physical properties. After production, all the goods will be tested, and the quality certificate will be shipped along with goods.
Q2 : What is your lead time?
A2 : It usually needs about 15- 20 days after receiving the PO.
Q3 : Do you provide free samples?
A3 : Yes, free samples are available, generlly speaking, the buyer shall bear all the delivery cost.
Q4 : What is your payments terms?
A4 : We can accept 30% deposit, 70% balance to be against the BL copy or by LC, or other payment terms.
Q5 : Can we visit your company?
A5 : Yes, for sure, you are welcome to visit Zhengxing company.
Q6 : What standards do you have?
A6 : Our products meet the standards, such as ASTM, ASME, AMS, DIN, JIS etc.
The third party testing is all available for us.
Company Profile
Zhengzhou Annec CO., Ltd. was founded in 2003, and has been a NASDAQ listed corporation since 2011 with ticker identification ANNC. Annec had become the industrial leader within China in the areas of refractory production, Engineering for hot blast stove of blast furnace, and capability for EPC project. Annec has its own Provincial Enterprise Technology Center and Top Combustion Hot Blast Stove Research Centre, Annec (Beijing) Engineering & Technology Co., Ltd and four Manufacturers for Refractories. The annual output of different type of refractories can reach 150 thousand tons, and undertaken capability of more than 10 turnkey projects for hot blast
Annec has established a strong research and development team, represented by 11 wee known experts including prof. Zhou Gouzhi, an academician of Chinese academy of sciences, Mr. Wu Qichang, Chinese national design master of iron-making engineering. Prof. Zhang Bopeng, Inventor of the top combustion hot blast stove in Shougang Steel. The team possesses a multi-subject crossing and combination superiority in terms of metallurgy, materials science and engineering, thermal engineering, structure engineering, etc. And is beneficial to aim at the front of world steelmaking technology and continuously new technologies and new products to meet challenges of greenization, intelligence and collaboration in steelmaking industry and refractories industry.
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