Rock Wool Pipe Sections

Rock wool pipe sections are highly efficient tubular insulation materials made primarily from natural basalt through high-temperature melting, centrifugal fiberization, and curing processes. Renowned for their excellent thermal insulation, superior fire safety, strong chemical stability, and convenient installation, these pipes are the preferred solution for industrial pipelines, building HVAC systems, and equipment line insulation. Our rock wool pipe sections are manufactured using advanced production techniques and strict quality control, offering a complete range of insulation products suitable for temperatures from ambient to high heat, meeting diverse temperature ranges and application needs. Additionally, rock wool pipe sections can be combined with materials such as fiberglass and aluminum silicate wool to create composite insulation shells, catering to various customer requirements.

Basic Product Composition

Primary Raw Materials: Selected natural basalt ore, supplemented with an appropriate amount of slag

Bonding System: Environmentally friendly phenolic resin binder, free of harmful emissions at high temperatures

Forming Process: Utilizes internationally advanced four-roll centrifugal fiberization technology, producing fine and uniform fibers

Product Structure: Three-dimensional interlocking fiber structure with stable internal air layers

Product Performance Characteristics

1. Excellent Thermal Insulation Performance

Low thermal conductivity: 0.034–0.044 W/(m·K) (at an average temperature of 70°C ±5°C)

Wide temperature adaptability: Suitable for temperatures ranging from -268°C to 700°C

High thermal stability: No shrinkage or deformation during long-term use

Significant energy-saving effect: Reduces heat loss by over 80%

2. Superior Fire Safety Performance

Class A1 non-combustible material: Complies with the highest fire safety standard GB/T 8624

High-temperature stability: Maintains structural integrity at 650°C

No melting or dripping: Does not produce molten droplets when exposed to fire

3. Good Chemical and Physical Properties

Strong corrosion resistance: Resists most chemical substances, pH value 7–8.5

High water repellency: Water repellency rate ≥98%, non-hygroscopic, stable insulation performance

Good breathability: Allows water vapor transmission, preventing condensation buildup

Dimensional stability: Linear shrinkage rate <1% (after high-temperature testing)

4. Convenient Installation Features

Pre-formed: Factory-prefabricated into tubular shapes for easy on-site installation

Easy cutting: Can be trimmed directly with a utility knife

Tight fit: Closely adheres to pipeline surfaces, minimizing thermal bridging

Reusable: Some systems support disassembly and reinstallation

5. Environmental Friendliness and Durability

Asbestos-free: Environmentally friendly and harmless to humans

Long service life: Up to 15–20 years under normal operating conditions

Recyclable: Waste materials can be recycled as raw materials

Low maintenance costs: High durability reduces the need for frequent replacement

Product Applications

Insulation for petrochemical pipelines

Industrial boilers and thermal pipeline networks

Ventilation duct insulation

Hot water pipelines in heating systems

Pipeline insulation for marine systems

Special pipeline systems in laboratories

Connection pipelines for various storage tanks and reactors

About Us

Zibo Soaring Refractory & Insulation Materials Co., Ltd, founded in 1993, is a professional manufacturer of insulation materials. The company's brand SUNTHERM, approved and registered by the State Trademark Bureau, in which "SUN" symbolizes sustainable power and environmental protection, and "THERM" embodies service attitude and innovative spirit. The factory covers an area of 180,000 square meters and has 46 production lines with an annual production capacity of 600,000 tons, advanced equipment, optimized processes, low energy consumption and customized production. The company also produces manufacturing lines and has an independent R&D team with well-designed products.

SUNTHERM's main products: ceramic fiber products, bio-soluble fiber products, rock wool products, new fiber material products. The production line covers ceramic fiber blanket, board, paper and rock wool production line. The products are widely used in industrial high-temperature furnaces, household appliances, pipelines, stoves, ovens, energy storage batteries, HVAC and so on. Our business continues to expand, and our products are exported to more than 80 countries and regions such as Europe, North America, the Middle East, Southeast Asia and Latin America.

Why Choose Us?

·Experienced: professional manufacturer of thermal insulation materials with 33 years of manufacturing experience and 20 years of export experience in ceramic fibre field.

·High quality: strict manufacturing process and quality assurance

·Good service:According to the specific needs of customers, we provide personalised customised service to meet the requirements of different application scenarios.

·OEM:Support OEM processing

·Fast delivery: large and stable production volume, fast delivery

·Competitive price: years of commitment to international trade system construction, the establishment of the most powerful supply chain, can provide the most competitive prices

Product Certificates

SUNTHERM has passed a variety of industry certification tests, such as CE, SGS, ASTM, ISO9001-2000, SASO, ROHS, BV, MSDS and so on.

Customer Visits

Product Certifications
SUNTHERM has passed a variety of industry certification tests, including but not limited to CE, SGS, ASTM, ISO9001:2000, SASO, RoHS, BV, and MSDS.

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FAQ:

Q1: What is the maximum service temperature of rock wool pipe sections?

A1: The long-term safe service temperature of our rock wool pipe sections can reach up to 700°C, with short-term heat resistance up to 750°C. The temperature rating may vary slightly depending on the product density. Specific selection should be based on the actual operating temperature. We offer a full temperature range of products to meet diverse needs from low temperatures of -268°C to high temperatures of 700°C.

Q2: How does rock wool pipe section perform in humid environments?

A2: Our rock wool pipe sections have a water repellency rate of ≥98%, maintaining extremely low water absorption even in humid environments and ensuring stable insulation performance. However, for long-term immersion or extremely humid conditions, we recommend using them with a moisture barrier. We also offer composite products with built-in aluminum foil moisture barriers.

Q3: How to choose the appropriate density for rock wool pipe sections?

A3: Density selection is mainly based on:

Operating temperature: Higher temperatures generally require higher density.

Pipe diameter: Smaller diameter pipes are recommended to use higher density products.

Mechanical requirements: Higher-density products are preferred for applications requiring greater strength.

Our technical team can provide professional recommendations tailored to your needs.

Q4: What are the installation steps for rock wool pipe sections?

A4: The basic installation steps include:

Clean the pipe surface thoroughly.

Measure the pipe dimensions and cut the rock wool pipe section accordingly.

Wrap the rock wool pipe section around the pipe, aligning the seams properly.

Secure it with specialized adhesive tape or strapping bands.

Stagger the seams when installing multiple layers for insulation.

Install the outer protective layer.

We provide detailed installation manuals and video tutorials for guidance.

Q5: Do rock wool pipe sections pose any health risks?

A5: Our rock wool pipe sections are manufactured using internationally advanced "biosoluble" fiber technology. The fibers can be naturally dissolved and expelled by the human lungs, avoiding long-term health hazards similar to asbestos. Our products undergo rigorous testing and comply with national environmental standards and occupational health requirements. We recommend wearing basic protective gear during installation.

Q6: How to insulate irregular piping components (valves, flanges, etc.)?

A6: For irregular piping components such as valves, flanges, and elbows, we offer the following solutions:

Custom-shaped insulation jackets tailored to specific components.

Removable insulation jackets for easy maintenance.

On-site cutting and splicing solutions for flexible installation.

On-site fabrication using rock wool boards to fit unique shapes.

Our technical team can provide optimal solutions based on the specific shape and requirements of your piping components.

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