
Comparison of 3 Different Thicknesses Ceramic Fiber Blanket
| Thickness | 12.5mm (½ inch) | 25mm (1 inch) | 50mm (2 inch) |
| Insulation Effect | ★★★☆☆ | ★★★★★ | ★★★★★★ |
| for low-temperature or low-temperature environments | perfectly balance thermal resistance and heat capacity, suitable for most conditions. | designed for ultra-high temperatures or extreme energy-saving needs. | |
| Flexibility | ★★★★★ | ★★★★☆ | ★★★☆☆ |
| Easy to bend and able to wrap around complex shapes. | Flexible and firm, easy to install and less prone to sagging during vertical construction. | Difficult to bend and may require multi-layer splicing. | |
| Cost-effective | ★★★★☆ | ★★★★★ | ★★★★☆ |
| Cheap price, you may need multiple layers. | Medium price and best value for money, low overall cost. | Higher price, you may need less quantity of this. |

Technical Index of Kerui Ceramic Fiber Blanket Series
| Item | Common Type | Standard Type | High Purity Type | High Alumina Type | Zirconium Containing Type |
|---|---|---|---|---|---|
| Classification Temperature, ℃ | 1050 | 1260 | 1260 | 1350 | 1430 |
| Service Temperature, ℃ | <1000 | 1050 | 1100 | 1200 | 1350 |
| Bulk & Density, kg/m³ | 96-128 | 96-128 | 96-128 | 128-160 | 128-160 |
| Permanent Liner Change, % | -4 (1000℃) | -3 (1000℃) | -3 (1100℃) | -3 (1250℃) | -3 (1350℃) |
| Heat Conductivity Coefficient, W/(m·k) (Bulk Density 128kg/m³) | 0.09 (400℃) 0.176 (800℃) | 0.09 (400℃) 0.176 (800℃) | 0.09 (400℃) 0.176 (800℃) 0.22 (1000℃) | 0.132 (600℃) 0.22 (1000℃) | 0.76 (800℃) 0.20 (1000℃) |
| Strength of Extension, Mpa | 0.08-0.12 | ||||
| Al2O3, % | 44 | 46 | 47-49 | 52-55 | 39-40 |
| Al2O3+SiO2, % | 96 | 97 | 99 | 99 | - |
| Al2O3+SiO2+ZrO2, % | - | - | - | - | 99 |
| ZrO2, % | - | - | - | - | 15~17 |
| Fe2O3, % | <1.2 | <1.0 | 0.2 | 0.2 | 0.2 |
| Na2O+K2O, % | ≤0.5 | ≤0.5 | 0.2 | 0.2 | 0.2 |
| Size, mm | Standard Size: 7200*610*6-60; Customized Sizes | ||||
Why Choose 25mm Ceramic Insulation Blanket? – 4 Key Benefits
1. Cost Benefits
25mm ceramic blanket insulation provides most of the insulation you need at a reasonable price. You don’t need to waste your budget on extra thickness. While also it has lower shipping costs compared to bulkier alternatives.
2. Performance Benefits
It avoids the weaknesses of thinner materials that tear easily and the installation challenges of thicker ones. The 25mm fiber blanket offers the best overall balance. You’ll get strong thermal insulation, stable performance and a long service life in typical industrial environments.
3. Installation Benefits
The moderate thickness makes it easy to wrap around elbows, ducts and pipes. This blanket is simple to cut for complex shapes. One installer can handle and fit the blanket independently, helping your team work faster and with less effort.
4. Supply Benefits
For large factories, EPC contractors and installation companies, 25mm thickness is the standard and most widely used thickness. This is a wise choice for procurement and is always in stock with most ceramic blanket suppliers. It has faster delivery and easier inventory management.
Recenet Projects about 25mm Ceramic Fiber Blanket
25*610*7320mm Ceramic Fiber Blanket to Italy
This long-term Italian customer contacted Kerui for a new procurement. To ensure the smooth progress of the customer’s project, Kerui efficiently provided ISO, CE, SGS certifications, certificates of origin and other compliance documents. Ultimately, from technical confirmation to production and delivery, every step was completed efficiently, further deepening the cooperation between the two parties.

25*610*7200 Ceramic Insulation Solution to UAE
A UAE customer needed ceramic fiber blankets for oilfield equipment and requested samples for testing. The test results were excellent. Furthermore, Kerui’s technical team provided a complete insulation solution based on the customer’s requirements, including blankets, anchors and curing agents. The customer highly praised our product quality and technical support. Watch more ceramic fiber products videos on YouTube.

25*610*7200mm Ceramic Insulation Blanket to Malaysia
This Malaysian customer starteda project of a new kiln construction. They chose us after comparing several Chinese suppliers. The customer was very satisfied with our prices. In addition, we also provided insulating fire bricks, refractory bricks and refractory mortar to support the overall kiln project. Leveraging its extensive experience, Kerui calculated the optimal container loading plan for the customer, reducing transportation costs. Our Malaysia customer expressed gratitude for our one-stop supply capabilities and professional project coordination.
25mm Ceramic Fiber Blanket Manufacturer – Kerui Refractory

Certifications
Kerui 25mm fiber insulation blankets have obtained multiple certifications including ISO, CE and SGS to ensure product performance. They feature uniform fiber distribution, high tensile strength, and maintain excellent performance even under prolonged high-temperature use. Kerui is confident that these fiber blankets will meet your project needs.

Production Capacity and Fast Delivery
The Kerui factory boasts multiple modern production lines and strong production capacity. Standard 25mm fiber blankets are readily available year-round. Even large orders can be delivered quickly. As a source factory, Kerui can also offer you more competitive ex-factory prices.

Professional Technical Support
Kerui professional technical team provides 24/7 service, including product selection, multi-layer insulation structure solutions, user manuals and construction guidance. In addition, Kerui Refractory also provides anchors, insulation bricks, refractory bricks, and other materials needed for kiln insulation.

