High-Temperature Rock Wool Strip For Industrial Piping
Product Introduction
High-Temperature Rock Wool Strip is a further processed form of rock wool boards, distinguished by a fundamental change in fiber orientation. While traditional rock wool boards have fibers parallel to the surface, rock wool strips feature fibers arranged perpendicular to the strip surface. This structural design provides higher tensile and compressive strength, resulting in a qualitative leap in mechanical performance.
While retaining the inherent Class A fire resistance, thermal insulation, and sound absorption properties of rock wool, the rock wool strip demonstrates superior structural stability and load-bearing capacity. It is especially suitable for building exterior wall insulation systems, offering a higher safety factor when enduring long-term pressure and wind loads. This makes it an ideal choice for building applications that demand both thermal insulation and high safety performance.
Product Features
Excellent thermal insulation performance
Superior fire resistance and flame retardancy
Outstanding seismic and wind load resistance
Eco-friendly and highly durable
Easy installation with broad applicability
Main Application Areas
Building exterior wall insulation systems
Fire protection for steel structures
Pipeline insulation engineering
Roof fire barrier strips
Sound absorption systems for partitions and ceilings
Thermal insulation for industrial equipment
Technical Parameters
|
Product Performance |
Unit |
Density |
STD |
|||
|
80 |
100 |
120 |
||||
|
Combustion performance |
/ |
Non-combustible material class А1 |
GB/8624 |
|||
|
Compressive strength (10% deformation) |
kPa |
≥40 |
GB/T 25975 |
|||
|
Tensile strength |
kPa |
≥100 |
GB/T 25975 |
|||
|
Hydrophobicity |
% |
≥98.0 |
GB/T 25975 |
|||
|
Melting temperature |
℃ |
>1000 |
GB 8624 |
|||
|
Acidity coefficient |
/ |
≥1.8 |
DB 37/T1887-2011 |
|||
|
Mass hygroscopicity |
% |
≤1.0 |
GB/T 25975 |
|||
|
Thermal conductivity (average temperature) |
W/(m.k) |
≤0,046 |
GB/T 25975 |
|||
|
Dimension stability |
% |
≤1.0 |
GB/T 25975 |
|||
|
Water absorption (partially submerged) |
Kg/m2 |
Short-term (24h) ≤ 0.5 Long-term (28d) ≤ 3.0 |
GB/T 25975 |
|||
|
Short-term (24h) ≤ 0.5 Long-term (28d) ≤ 3.0 |
||||||
|
Thickness deviation |
mm |
±2 |
GB/T 25975 |
|||
|
Right Angle Deviation |
Mm/m |
≤5 |
GB/T 25975 |
|||
|
Flatness deviation |
mm |
≤6 |
GB/T 25975 |
|||
|
Uniform burning performance |
Wire Shrinkage |
% |
(750℃, 0.5h) ≤ 8 |
JGJ 289-2012 |
||
|
Quality loss rate |
% |
(750℃, 0.5h) ≤ 10 |
||||
Note: For other specifications, please contact our sales manager.

From Traditional to Innovative: How Rock Wool Strips Are Transforming the Insulation Industry
In the evolution of the building insulation industry, the emergence of rock wool strips represents not only a technological breakthrough but also a catalyst for industry-wide transformation. The shift from traditional insulation materials to innovative rock wool strips is profoundly reshaping technical standards, construction methods, and performance expectations in the sector.
01 Breaking Through Traditional Limits, Redefining Material Performance
Traditional rock wool boards, with their parallel fiber orientation, exhibit clear limitations in tensile and compressive strength. In contrast, rock wool strips feature a revolutionary perpendicular fiber arrangement, achieving a qualitative leap in mechanical performance-delivering over three times the tensile strength and a more than 50% improvement in compressive strength compared to conventional boards. This structural innovation not only overcomes technical challenges related to wind pressure and negative pressure resistance but also provides unprecedented safety assurance for high-rise buildings and complex structures.
02 Redefining Construction Standards, Enhancing Project Efficiency
The flexibility and lightweight nature of rock wool strips have revolutionized installation processes. Compared to traditional rock wool boards, installation efficiency has increased by over 40%, particularly excelling in challenging applications such as curved surfaces, irregular structures, and pipeline insulation. Excellent adaptability to cutting and shaping has significantly reduced material waste, lowering overall project costs by more than 20%. Moreover, it ensures continuous and complete insulation layers, effectively eliminating thermal bridging.
03 Driving Industry Standards Forward, Leading the Way in Safety and Sustainability
As a Class A1 non-combustible material, rock wool strips elevate building fire safety standards to a new level, offering a fire resistance rating exceeding four hours-far beyond national requirements. Their environmental performance is equally outstanding: zero formaldehyde emissions and a recyclability rate of over 90%, fully aligning with green building certification criteria. These properties make rock wool strips the preferred material for passive houses, low-energy buildings, and green-certified projects.
04 Expanding Application Boundaries, Creating New Market Opportunities
From conventional exterior wall insulation to fire protection for steel structures, and from industrial pipeline insulation to roof fire barrier strips, rock wool strips are continuously opening up new application fields. Particularly in the renewable energy sector, they have become essential in key applications such as fireproof insulation for battery energy storage systems and protection for photovoltaic mounting structures, with an annual market growth rate sustained above 30%.
The innovation of rock wool strips reflects not only progress in materials engineering but also the broader trend toward safer, more efficient, and sustainable construction practices. With the advancement of national carbon neutrality policies and increasing building energy efficiency requirements, rock wool strips are becoming a vital force in driving technological upgrades and industrial transformation within the insulation sector, providing solid technical and material support for the sustainable development of the construction industry.

RFQ
Q1: Are you a manufacturer or a trading company?
A1: We are an industrial manufacturer established in 1993, located in Zibo City, Shandong Province, China. In addition to providing high-quality and competitively priced products, we offer comprehensive pre-sales and after-sales support to ensure complete customer satisfaction.
Q2: What types of products do you offer?
A2: Our company supplies a wide range of refractory and thermal insulation materials, including:
Ceramic fiber products,Soluble fiber products,Microporous boards,Insulating firebricks,Calcium silicate products,Rock wool, and more.
Q3: Why should you choose us over other suppliers?
A3: SUNTHERM specializes in the production and export of advanced thermal insulation materials. We are committed to providing Class A non-combustible, eco-friendly insulation solutions that are safe for users and competitively priced. Our products meet modern environmental standards while delivering reliable performance and energy efficiency.

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