Alumina-silicate Refractory Fiber Cotton





Features: high temperature resistance, low thermal conductivity, good chemical stability, sound absorption and noise reduction, light and soft.
Application: Industrial insulation: widely used in petroleum, chemical, electric power and other industries of high-temperature equipment, pipeline insulation, such as reactor, boiler, steam pipeline, etc.; Building energy saving: used for building external wall insulation, roof insulation, internal wall sound insulation, etc. Fireproof material: It is an important raw material for making fireproof doors, fireproof curtains, fireproof sealing materials, etc.
Index | 【TD | (STD | (HP) | (HA) | (ZH) | (ZA) | |
ZHGX-1001u | ZFCX-20010 | ZHGX-30010 | ZHGX-40010 | ZHGX-50010 | ZHGX-60010 | ZHGX-70U1L | |
Classification Temperature ℃ | 1000 | 1260 | 1260 | 1260 | 1400 | 1400 | 1430 |
Al₂O₃% | ≥40 | ≥45 | ≥47 | ≥43 | ≥53 | ≥48 | ≥40 |
ZrO₂% | ≥5-8 | ≥15 | |||||
Cr₂O₃% | |||||||
Al₂O₃+SiO₂% | ≥95 | ≥96 | ≥98 | ≥99 | ≥99 | ||
Al₂O₃+SiO₂+ ZrO₂ (Cr₂O₃)% | ≥99 | ≥99 | |||||
Fe2O3% | ≤1.5 | ≤1.2 | ≤0.3 | ≤0.2 | ≤0.3 | ≤0.2 | ≤0.2 |
K,O+Na.O% | ≤1.0 | ≤0.5 | ≤0.4 | ≤0.2 | ≤0.4 | ≤0.3 | ≤0.2 |
Fibre Diameter μm | 2~4 | ||||||
Fiber Length Grain Diameter>0.21mm | 50-150 | ||||||
Shot Content % | ≤15 | ||||||
Specification kg/bag | 20 |
What is the Price of Alumina Silicate Refractory Fiber Cotton Price?
The main factors affecting the price include: quantity and type. Alumina silicate refractory fiber cottons are key components for building kilns. Lianxin team will provide different pricing plans according to the different needs of customers. The price of alumina silicate refractory fiber cotton varies depending on the quantity and model selected. Customers who order large quantities of the same model can enjoy greater discounts.






About Lianxin:
The company has more than 20 patented technologies, more than 20 corporate honors, and international certifications such as ISO. With an annual output of 300,000 tons, the company is a leader in China’s refractory industry. As a manufacturer, we will provide you with factory direct prices. With more than 20 years of experience and a team of more than 200 professionals, we are committed to helping you find a solution that suits your needs.
Why Choose Us?
- About delivery time: Standard size bricks can be delivered immediately.
- Regarding customized alumina silicate refractory fiber cottons, we have rich experience, short production cycle and fast delivery time.
- In addition, we can also provide kiln material solutions and a series of technical guidance for construction according to the specific needs of customers.
- Lianxin alumina silicate refractory fiber cottons are your solution!
- With over 20 years of experience and a team of over 200 professionals, we are committed to helping you find the solution that’s right for you.













Customer Cases of Lianxin



