YufengRec® Bio-Soluble Fiber Blanket is based on calcium, magnesium, silicate chemistry, which provides capable of withstanding continuous operating temperature up to 1100ºC
YufengRec® Bio-Soluble Fiber Blanket was designed to have enhanced in-vitro solubility which enables our products to meet Europe regulatory requirement (Directive 97/69/EC),YufengRec® Bio-Soluble Fiber Blanket utilizes a unique fiber spinning technology providing same excellent thermal performances comparing with traditional refractory ceramic fiber (RCF), It was especially developed for the temperature range of extending from cryogenic levels through 1100ºC.
YufengRec® Bio-Soluble Fiber Blanket is a flexible, strong, lightweight, needled blanket. Combines its low thermal conductivity with excellent resistance to thermal shock make the blanket of choice for a wide range of applications in a number of industries, including refractory linings, thermal insulation, appliances, and molten metal's transfer etc.
Standard Densities: 4,6, 8, lbs./cu. ft. (64, 96, 128kg/m3)
Standard Thicknesses:, 1", 2"
Standard Widths: 24" and 48"
(Any size can be customized)
Standard Packaging: In Cartons
Key Feature
*Low thermal conductivity.
*Very low heat storage.
*High tensile strength.
*Thermal shock resistance.
*Sound absorption.
*Light weight
*Very low heat storage.
Typical Applications
*Back-up insulation for dense refractory
*Annealing furnace linings
*Stress relieving blanket
*Heat treatment furnace linings
*Crude heater linings etc …
Unit | YUFENG WOOL® BIO1000 BLANKET | YUFENG WOOL® BIO1300 BLANKET | |||||
Classification Temperature | ºC | 1200 | 1300 | ||||
Max Working Temperature | ºC | 1000 | 1100 | ||||
Color | White | White | |||||
Density | Kg/M3 | 64 | 96 | 128 | 96 | 128 | |
lb/ft3 | 4 | 6 | 8 | 6 | 8 | ||
Tensile Strength of 128 kg/m3 Density (EN 1094-1) | MPa | ≥0.03 | ≥0.05 | ≥0.07 | ≥0.05 | ≥0.07 | |
Shot Content | % | ≤12 | ≤12 | ||||
Permanet Linear Shrinkage | % | ≤1.0(1100ºC*24h) | ≤3.0 (1260ºC*24h ) | ||||
Thermal Conductivity at mean Temp. ºC (ASTM C-201) | 200ºC | W/m.k | 0.06 | 0.05 | 0.05 | 0.05 | 0.04 |
400ºC | 0.11 | 0.09 | 0.08 | 0.10 | 0.08 | ||
600ºC | 0.17 | 0.13 | 0.12 | 0.18 | 0.14 | ||
800ºC | 0.28 | 0.20 | 0.17 | 0.30 | 0.22 | ||
1000ºC | 0.40 | 0.28 | 0.25 | 0.46 | 0.33 | ||
1200ºC | - | - | - | 0.68 | 0.46 | ||
Chemical Analysis | SiO2 | % | 62-68 | ≥70 | |||
CaO | % | 26-32 | ≥20 | ||||
MgO | % | 4-7 |
Thickness (mm) | Density | Roll Length (mm) | ||
64 | 96 | 128 | ||
6 | √ | 22,000 | ||
13 | √ | √ | 14640 | |
25 | √ | √ | √ | 7320 |
38 | √ | √ | √ | 5000 |
50 | √ | √ | 3660 |

The accuracy of bio-soluble fiber products specification and size is mainly controlled by refractory raw materials, processing equipment and process system. With stable raw material composition, sophisticated equipment, reasonable production process system and correct operation, products with qualified shape and size can be obtained.
We are committed to customer satisfaction, supplying quality products that meet our customers' application. while maintaining the strong spirit of innovation .Our knowledgeable technical support, application engineering services and outstanding customer service continue to be cornerstones of our success.
YUFENG Refractory located in Zibo, Shandong, which is an important production base of ceramics and industrial refractory in China. We engaged in researching supplying of refractory and high temperature with more than 30 years of experience and technology .
With our 3 refractory production base, with annual capacity of more than 100,000 metric tons of refractory brick and other material .The facilities include raw material precessing , Friction press , hydraulic pressing , Isostatic pressing and high temperature tunnel kiln and shuttle kiln .
We are not only the suppliers of high quality products on a world wide scale, but also provide and share the technical support with the clients , to help our clients getting the high efficiency and saving cost.Cost Effectiveness
We'd like to help finding the best solution for your project ,that means working hard to minimize costs of both production and transport, while maintaining the quality that will deliver the performance you need
QC inspections
We have a professional quality control inspection process to provide a reliable guarantee for your product quality.
Timely Delivery & Reliability
whatever you are wholesalers or end users , we understand that receiving the correct products on time is critical for you, so we hold ourselves to the highest standards when it comes to timely delivery and reliability.

Quality Assurance
We always set ourselves the highest standards throughout our business so that we consistently provide products that meet the needs of our customers.
We cooperate closely with our customers make us fully understand the performance they require and provide the appropriate solution.
We always aimed at the meet the challenges of the future and ensure our material remain the highest quality. We have worked hard to establish a comprehensive Quality Management System which has been certified as meeting the requirements of ISO 9001:2008.
This commits us to a continuous process of improvement whereby we are always looking for ways to enhance our products so they continue to meet the needs for refractory and insulating materials in a wide range of industries and to increase the efficiency of our manufacturing processes while refusing to compromise on quality and reliability.
Q1: Are you a refractory material manufacturer or a trader?
A1: We are a refractory material manufacturer in Shandong, China.
Q2: What kind of refactory products do you mainly produce?
A2: Our products include a range of kiln furnitures, dense refractory bricks, high temprature insulating material, monilithic refractories and ceramics.
A3: Yes, we can provide samples according to your order quantity.
Q4: Do you accept size and shape customization? Are the specifications accurate?
A4: Yes! We have a professional R&D team, and advanced QC inspection equipments to ensure the accurate size and shape for you.
It is our pleasure to be your honest and reliable supplier of the refractory material, you can contact us with any questions!