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Cement Kiln Low Density Heat Insulation Bricks Lightweight

China Zhengzhou Annec Industrial Co., Ltd. certification
China Zhengzhou Annec Industrial Co., Ltd. certification
Customer Reviews
good job and nice quality! Hope our next business

—— Carsten Schmickler

very nice company.waiting for my next visit

—— Neetu Arora

good quality, but price is higher than other supplier.

—— Bipin Vagal

thank you for your products and service. During the project, the staff from your company cooperated with our side perfectly. The goods are all follow our order. The after-sale service also good.


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Cement Kiln Low Density Heat Insulation Bricks Lightweight

Cement Kiln Low Density Heat Insulation Bricks Lightweight
Cement Kiln Low Density Heat Insulation Bricks Lightweight Cement Kiln Low Density Heat Insulation Bricks Lightweight

Large Image :  Cement Kiln Low Density Heat Insulation Bricks Lightweight

Product Details:
Place of Origin: China
Brand Name: Annec
Model Number: NG125-0.8/NG125-0.6/NG115-0.4
Payment & Shipping Terms:
Minimum Order Quantity: 5 Tons
Packaging Details: 12-24 pallets for one 20 GP container
Delivery Time: 50-120 days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 1500 Tons/ per month

Cement Kiln Low Density Heat Insulation Bricks Lightweight

Bulk Density: ≤0.8 G/cm3 Linear Change On Reheating,(5h,≤2%): ≥1250 ℃
Thermal Conductivity(350±25)℃: ≤0.35 W/m·K Characteristic 1: Light Weight
Characteristic 2: Low Thermal Conductivity Al2O3: 35~52%
High Light:

Low Density Heat Insulation Bricks


Lightweight Heat Insulation Bricks


Batching Thermal Insulation Brick

Low Density Refractory Clay Insulating Brick For Cement Klin




Low Density Heat Insulation Bricks refer to light-weight thermal insulation brick products with Al2O3 content of 30%-46%. With clay clinker or light clinker and plastic clay as the main principle, it is usually produced by the combustible method. It can also be produced by the chemical method or foam method to form a porous structure. The use temperature is 1200-1400℃. The refractory is characterized by high porosity, generally 40%-85%; low bulk density below 1.5g/cm3; low thermal conductivity, generally below 1.0W (m.K).

Compared with ordinary clay bricks, light clay bricks are lighter in weight. The heat-insulating refractory products with Al2O3 content of 30%~48% made of refractory clay as the main raw material. Using refractory clay, floating beads, and refractory clay clinker as raw materials, adding binders and sawdust, after batching, mixing, molding, drying and firing, products with a bulk density of 0.3~1.5g/cm3 can be obtained. It accounts for more than half of the total output of heat-insulating refractory bricks, with tiny pores evenly distributed inside, with a high porosity. Therefore, it can be ensured that the furnace wall loses less heat, and the fuel cost will be reduced accordingly. Lightweight clay bricks also mean less heat storage, so heating and cooling are faster, allowing faster periodic operations. Lightweight clay refractory bricks are suitable for the temperature range of 900℃~1650℃.





    (1)  Light weight: using this product in construction can reduce the weight of the building and greatly reduce the comprehensive cost of the building.

    (2) Insulation and heat insulation: During the manufacturing process of aerated concrete, tiny pores are formed inside, and these pores form an air layer in the material, which greatly improves the effect of thermal insulation

    (3) Sound absorption and sound insulation: good sound absorption and sound insulation performance can create high airtight indoor space for you. Provide you with a quiet and comfortable environment.

    (4) Small shrinkage value: The excellent material with a small shrinkage value ensures that your wall will not crack.

    (5) Impermeability: The pore structure of this product makes the capillary action poor, and the water absorption and moisture conduction are slow. The time required for the same volume of water absorption to saturation is 5 times that of clay bricks.

    (6) Environmental protection: no pollution during manufacturing, transportation and use, protect cultivated land, save energy and reduce consumption, and belong to green environmental protection building materials.





It is widely used as a primary hot face refractory lining or as back-up insulation behind other refractories in furnace(such as carbon furnace,cracking furnace,heating furnace for oil refining,roller kiln, tunnel kiln.),flues, flues,refining vessels, heaters,regenerators and similar high temperature industrial equipment.


Product Description:

 Lightweight Fire Brick​
Item NG125-0.8 NG120-0.6 NG115-0.4
Bulk Density ( g/cm3) ≤0.8 ≤0.6 ≤0.4
Cold Crushing Strength (MPa) ≥3 ≥2 ≥1
Linear Change on Reheating(≤2%) ≥1250 ≥1200 ≥1150
Thermal conductivity(350±25)℃ (W/mK) ≤0.35 ≤0.25 ≤0.20



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 owns four production sites as subsidiaries, Annec(Fuliang). Annec(Fuhua). Annec(Fubao). Annec Furnaces Company. Annec(Beijing) Engineering Company, as well as sets up several platforms such as provincial academician workstations, provincial postdoctoral research and development base, the provincial engineering and technology center etc.



Why choose us

Q: Are you trading company or manufacturer?

A: We are Manufacturer of refractory materials that have 4 plants in China; So we can provide you with high quality products at more competitive prices. we can provide you professional solutions about your problems. Although our salesman cannot reply you immediately, pls leave your email or phone number, we can let our technician directly help you ASAP.


Q: Do you accept OEM?

A: Sure, we can do OEM for much kind of brick.


Q: What information do we need to provide?

A: If you are clear about the products you purchased, please send us the brick drawings, index(include chemical and physical indicators )and order quantity.

If you are not familiar with it, please tell us the usage and working temperature, we will recommend the product to you.


Q: How long is delivery time?

A: The delivery time will be determined according to the quantity of the order. Our monthly output is 12000tons. We have good connection with shipping company, agency, as well as the local custom and port authority. making sure we deliver on time.




Cement Kiln Low Density Heat Insulation Bricks Lightweight 0Cement Kiln Low Density Heat Insulation Bricks Lightweight 1Cement Kiln Low Density Heat Insulation Bricks Lightweight 2




    What you will get from us is our best profession in service and the hospitality that you are willing to become our Friend.

    So choosing us is the right choice for you. If you are interested in our products or if you have any question, pls feel free to contact us at any time. We will reply as soon as possible.

Contact Details
Zhengzhou Annec Industrial Co., Ltd.

Contact Person: Mrs. LI

Tel: 0086-18538075889

Fax: 86-0371-69938888

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