Description of  Ceramic Fiber Cotton:

Ceramic fiber cotton series include blowing cotton, spinning cotton, textile cotton, friction surface and granular cotton, etc., with low heat capacity, low thermal conductivity, good chemical stability and thermal stability, not easy to powder, good sound absorption, etc. Features, does not contain binders and corrosive substances.

Features of Ceramic Fiber Cotton:

High Temperature Resistance
Excellent Thermal Stability and Chemical Stability
Low Thermal Conductivity
Good Sound Insulation and Mechanical Strength
Good Elasticity
Low Shrinkage at High Temperature
Better resistance to erosion

Applications of Ceramic Fiber Cotton:

Fiber blanket, board products

Fiber textile raw materials

High temperature furnace, heating device, wall liner gap filler

Wet product raw materials

Fiber spray, castable, spread material

Insulation filling material for corners and complex spaces

Technical Parameter of Ceramic Fiber Cotton:

Item Index
Fiber diameter  μm 2~4 3~5
Shot content  %


≤22 ≤20 ≤22 ≤22 ≤20 ≤18
Al2O3  % ≥45 ≥53 ≥44 ≥45 ≥45 ≥36
SiO2  % ≥52 ≥46 ≥52 ≥52 ≥54 ≥48
ZrO2  % / / / / / ≥15
Fe2O3  % ≤0.8 ≤0.2 ≤1.0 ≤0.8 ≤0.2 ≤0.1
Al2O3+SiO2  % ≥97 ≥99 ≥96 ≥97 ≥99 /
Al2O3+SiO2+ZrO2  % / / / / / 99
Item Index
Fiber diameter  μm 3~5 2~4
Shot content  %


≤15 ≤8

particle size ≥100 mesh

Water Content  % ≤3 / /
Non-fibrous substances  % ≤35 / /
Fiber length  μm / 150 ≤20
Al2O3  % ≥45
SiO2  % ≥52
Fe2O3  % ≤0.8
Al2O3+SiO2  % ≥97


Why choose us?

1.Abundant Experience. Rongsheng Group have over 20 years experience in the refractory industry and we have a deep understanding of the materials and applications we work with. We can provide expert advice and guidance to help customers find the best solutions for their needs.

2.Quality products. We pride ourselves on providing high-quality refractory products that are made to last. Our materials are carefully sourced and tested to ensure they meet our strict standards.

3.Competitive Price. We offer competitive pricie on all of our products without sacrificing quality and make the products competitive in your market.

4.Customization. We understand that every customer is unique, which is why we offer customized solutions tailored to their specific requirements. Whether it’s a custom shape or size, we can work with customers to create the ideal product for their application.

5.Safety. We take safety seriously and ensure that all of our products meet safety standards. Safty packing, prompt delivery time, and excellent after-sales services.

6.Large stocks. With a large stock of products on hand, we can better serve our customers, save money, and gain a competitive edge in their industry.

7. Overall solutions. We offer optimal and comprehensive solutions to supply the necessary refractory material for your high temperature kiln.

8.Long-term relationships. We believe in building long-term relationships with our customers based on trust and mutual benefit. We are committed to providing ongoing support and service to ensure customer satisfaction. Rongsheng Refractory can be used in many fields of steel, nonferrous metals, glass, cement, ceramic, petrochemical, machinery, boiler, light, and power industries. What’s more, Industrial distributors, refractory contractors, sales agents, trading companies, and refractory consultants can all benefit from promoting and selling our top-of-the-line refractory products. With a focus on durability, longevity, and performance, our products are designed to exceed your expectations and provide your customers with the best possible results.

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.

    Request For Quotation

    Send Your Inquiry Right Now. You can get the price list and we will contact you soon