25% glass-fiber-reinforced PTFE tube

Product Overview

25% Glass-fiber-reinforced PTFE tubing is made from pure polytetrafluoroethylene ( PTFE ) as the substrate, according to 25% A high-performance composite pipe made by incorporating premium glass fibers into a base material, formed through high‑temperature molding, sintering, and extrusion. While retaining the core advantages of pure PTFE, this product leverages glass‑fiber reinforcement to significantly address the inherent drawbacks of all‑PTFE tubing—namely, susceptibility to creep, poor wear resistance, and insufficient rigidity. It is an industrial specialty pipe that balances corrosion resistance, high‑temperature tolerance, superior strength, and exceptional dimensional stability, making it ideally suited for demanding applications such as fluid conveyance, sealing and protection, and electrical insulation. This product represents an upgraded, enhanced version of standard PTFE tubing, designed as an advanced industrial consumable.

Core Physicochemical Properties of the Product

25% Glass-fiber‑reinforced PTFE tubing combines the chemically stable properties of PTFE with the mechanical reinforcement provided by glass fibers, delivering overall performance that far surpasses that of conventional pure PTFE tubing. Its key characteristics are as follows:

1 , excellent corrosion resistance

Inheritance PTFE Exceptional chemical inertness: at both ambient and elevated temperatures, it withstands attack by virtually all strong acids, strong bases, organic solvents, and corrosive salt solutions, including hydrochloric acid, sulfuric acid, nitric acid, caustic soda, various cleaning agents, and petroleum-based media. Its resistance is limited only to a few specialized media, such as hydrofluoric acid and molten alkali metals. It is suitable for the vast majority of chemically aggressive service conditions and exhibits no aging, cracking, or corrosion‑induced leakage even under prolonged use.

2 , Exceptionally high resistance to both high and low temperatures

It features an ultra-wide operating temperature range, with a long-term continuous-use temperature range of -200 °C～ 260 ℃, with a short-term maximum tolerable temperature of 300 ℃. It remains crack‑free and undeformed in low‑temperature environments, and does not soften or collapse in high‑temperature conditions. Its performance is stable under varying temperature cycles, with no significant degradation, making it suitable for alternating high‑and‑low temperature scenarios as well as sustained high‑temperature operations.

3 , High mechanical strength and creep resistance

25% The fiberglass formulation represents the industry’s optimal reinforcement ratio, resulting in improved compressive strength compared to pure PTFE tubing. 40%-60% , can reduce 70% The creep strain is minimal, completely addressing the longstanding issues of pure PTFE tubing—namely, deformation under sustained pressure, cold flow, and collapse. The tubing exhibits significantly improved rigidity and dimensional stability, resisting deformation even under high‑load and high‑pressure conditions, thereby markedly extending its service life. Moreover, its wear resistance has increased by more than a thousandfold, delivering exceptional resistance to frictional wear.

4 , excellent insulation and flame-retardant properties

The material exhibits stable insulating properties, with high dielectric strength and high insulation resistance, remaining unaffected by variations in temperature, humidity, or frequency. It effectively isolates electrical current, eliminating the risk of leakage. Additionally, it boasts excellent flame retardancy: it does not self‑ignite or support combustion, and under high temperatures it neither drips nor emits toxic or harmful gases, thereby meeting industrial safety and protection standards.

5 , low friction and self-lubricating properties

Retain PTFE With an extremely low coefficient of friction, the pipe’s inner wall is smooth and exhibits excellent self-lubricating properties, resulting in minimal fluid‑transport resistance. It resists scaling and fouling, ensuring smooth media flow, while also reducing frictional losses between the pipe and its associated components, making it well suited for dynamic motion and reciprocating‑friction service conditions.

Core application areas

Leveraging its superior overall performance, this product is widely deployed across multiple sectors, including high-end industrial applications, precision manufacturing, and specialized industries, and is well-suited for demanding operating conditions. Specific applications include:

1 , the chemical industry sector

It is used for conveying corrosive chemical raw materials, acid–alkali solutions, and organic solvents, as well as for lining equipment and sealing pipeline valves. It effectively resists media corrosion, eliminates pipeline leakage and damage, ensures continuous and stable operation of chemical production, and reduces the risk of equipment maintenance and operational failures.

2 , the medical and pharmaceutical sector

It is used for fluid conveyance in pharmaceutical equipment, medical cleaning pipelines, and corrosion‑resistant diversion lines in laboratories. The material is non‑toxic, odorless, non‑contaminating, and easy to clean; it is corrosion‑resistant and does not harbor bacteria, meeting the stringent cleanliness and safety requirements of the medical and pharmaceutical industries and ensuring that drugs and reagents remain uncontaminated.

3 , Aerospace and Defense Industries

It is used in aerospace fluid‑handling lines subjected to extreme temperatures, insulating protective sleeves for electrical equipment, and wear‑resistant sealing tubing for precision instruments. With its broad temperature‑range compatibility, high stability, lightweight design, and excellent insulation and corrosion‑resistance, it is well suited to the demanding operating conditions of high altitude, low temperature, high pressure, and complex electromagnetic interference, ensuring the precise operation of cutting‑edge equipment.

4 , Mechanical Engineering and Automation field

It is used for wear‑resistant oil‑guiding tubes in automated equipment, corrosion‑resistant tubing in hydraulic systems, protective sleeves for mechanical bearings, and sealing fittings for reciprocating motion. Leveraging its exceptional wear resistance, creep resistance, and low friction, it reduces mechanical energy losses and enhances the precision and stability of equipment operation.

5 , Electronics and Electrical Engineering Field

It is used as insulation and sheathing for wires and cables, as isolation sleeves for electrical equipment, and as high‑temperature protective tubing. With its excellent insulating, high‑temperature resistant, and flame‑retardant properties, it isolates circuits, prevents short circuits and leakage currents, and ensures the safe operation of electrical equipment, making it well suited to high‑temperature, humid electrical work environments.

6 , New Energy and Environmental Protection Sector

It is used for lithium‑battery electrolyte delivery, corrosion‑resistant piping in photovoltaic equipment, and diversion pipelines for environmental wastewater and exhaust‑gas treatment. It can withstand the corrosive media encountered in new‑energy applications as well as the erosive effects of environmentally friendly acidic and alkaline wastewaters, making it suitable for continuous production processes in the new‑energy and environmental protection industries.

Product Competitive Advantages

Compared with competing products such as pure PTFE tubing, low‑fiber‑content PTFE‑reinforced tubing, and standard plastic corrosion‑resistant tubing, our company… 25% Glass-fiber‑reinforced PTFE tubing offers comprehensive performance advantages, with the following key differentiating features:

1 , Comparison with pure PTFE tubing

It perfectly addresses the critical drawbacks of all‑PTFE tubing, with significantly enhanced creep resistance, compressive strength, and wear resistance. Under prolonged high‑pressure, heavy‑load conditions, it remains deformation‑free and does not collapse, effectively eliminating cold‑flow leakage. Its service life is that of a conventional all‑PTFE tube… 3-5 Moreover, it fully retains the core advantages of pure PTFE—corrosion resistance, electrical insulation, and high-temperature stability—without any compromise in performance.

2 , Comparison 15% Low‑ratio fiberglass PTFE tubing

25% Glass fiber represents the industry-standard optimal reinforcement ratio, with mechanical strength, dimensional stability, and resistance to deformation far exceeding… 15% Fiberglass products are engineered to meet the demanding operating conditions of high voltage, heavy loads, and high-frequency friction. They eliminate the issues of insufficient reinforcement and excessive wear and deformation that can arise from inadequate fiberglass content, offering superior overall adaptability and enhanced compatibility with high-end applications.

3 , compared to the ordinary PP 、 PVC , rubber anti-corrosion pipe

It has a wider temperature resistance range and can withstand 260 Operating at high temperatures, it far exceeds the performance of conventional plastic pipes; it boasts a superior corrosion‑resistance rating, making it compatible with highly corrosive media and eliminating issues such as aging, embrittlement, and swelling; its insulation, flame retardancy, and wear resistance are all markedly superior, rendering it well suited to demanding, high‑end industrial applications—rather than being limited to standard ambient‑temperature, atmospheric‑pressure conditions.

4 , Industry Process Advantages

Our company employs a uniform mixing and high‑temperature co‑sintering process, ensuring thorough integration of glass fibers with the PTFE matrix, eliminating localized voids and fiber agglomeration. The tubing exhibits consistent wall thickness and highly uniform performance; its dense wall structure delivers superior sealing and pressure resistance, while batch‑to‑batch tolerances remain tightly controlled, meeting the assembly requirements of precision equipment—outperforming off‑the‑shelf competitors whose processes are crude and product quality uneven. Moreover, our products boast exceptional dimensional stability, resisting deformation under heavy bolt loads and high‑pressure flange conditions, making them ideally suited for… Class300 And above, under high-pressure operating conditions.

Selection Guide

To help customers quickly and accurately select the appropriate model, we have compiled key selection parameters and standard model series based on mainstream operating conditions. Customers can perform a preliminary selection by considering their application scenario, pipe diameter, pressure, and temperature.

1 , Core Selection Criteria

Priority should be given to the four core parameters: operating temperature, medium corrosivity, working pressure, and nominal pipe diameter. For typical ambient‑temperature, atmospheric‑pressure conditions, as well as for highly corrosive environments or alternating high‑ and low‑temperature service, these factors should be given precedence in selection. 25% Glass-fiber-reinforced PTFE tubing—this product series is the preferred choice for high-pressure, heavy-load, and high-frequency friction applications.

2 , Conventional mainstream model (outer diameter × wall thickness × length)

-  Precision model with small tube diameter: Φ 4 × 1mm , Φ 6 × 1mm , Φ 8 × 1.5mm , suitable for piping in electrical and electronic systems, precision instruments, and small automated equipment

-  General industrial model: Φ 10 × 2mm , Φ 12 × 2mm , Φ 16 × 2.5mm , Φ 20 × 3mm , suitable for chemical processing, new energy, and general mechanical fluid conveyance

-  Large-diameter high-pressure model: Φ 25 × 3mm , Φ 32 × 4mm , Φ 40 × 4mm , Φ 50 × 5mm , suitable for large-scale chemical equipment, high-pressure fluid conveyance, and heavy-duty sealing applications

3 , Selection and Compatibility Recommendations

Low-pressure, ambient-temperature, mildly corrosive service: a standard wall‑thickness option is available; high-pressure, high-temperature, high‑frequency‑friction service: a heavy‑wall‑thickness option is preferred; precision equipment assembly: custom‑made options with tight dimensional tolerances and ultra‑small tube diameters are offered; special‑medium service (severe corrosion, extremely high or low temperatures): tailored selection solutions can be provided.

Precautions for Use

Proper usage can maximize product performance, extend service life, and reduce equipment wear and maintenance costs. Specific precautions are as follows:

1 , Installation specifications to prevent physical damage

During installation, avoid scratching or impacting the tubing with sharp, hard objects; do not forcibly bend or violently flare the tubing to prevent hidden cracks in the wall that could compromise pressure resistance and sealing performance. When assembling flanges and fittings, tighten them evenly to avoid excessive force on one side, which could deform the tubing, thereby ensuring pipeline integrity and preventing leaks and losses.

2 , Media compatibility to avoid specific corrosion

This product is compatible with the vast majority of corrosive media; however, prolonged exposure to special media such as hydrofluoric acid, molten alkali metals, and high‑concentration fluorides should be avoided to prevent degradation of the pipe material’s performance. For applications involving specific media, please consult us in advance to avoid mismatches that could lead to premature wear of the piping or equipment failure.

3 , Operational condition adaptation, control of rated parameters

The long-term operating temperature shall not exceed 260 ℃, with short-term high temperatures not exceeding 300 ℃; avoid operating above the maximum temperature to prevent pipe aging and performance degradation; strictly adhere to the pipe’s rated pressure, prohibit prolonged operation at excessive pressures, minimize pipeline fatigue, and ensure stable equipment efficiency.

4 , Routine maintenance to reduce operational costs

The inner wall of the tubing is smooth, resisting scale buildup and eliminating the need for frequent cleaning, thereby reducing labor‑intensive maintenance costs. Regularly inspect pipeline joints and bent sections to promptly identify even minor leaks or losses, preventing small issues from escalating into major equipment downtime. When not in use, store idle pipelines in a dry, well‑ventilated environment, avoiding prolonged exposure to direct sunlight and stagnant moisture to extend the service life of the tubing.

5 , Adaptive assembly to enhance equipment operational efficiency

Leveraging the product’s low-friction, self-lubricating properties, it is precisely tailored to mechanical reciprocating motion and fluid‑transport applications, thereby reducing operating resistance and lowering energy consumption. Its stable insulation and sealing performance significantly minimizes electrical leakage, fluid seepage, and wear‑related failures, effectively enhancing overall equipment efficiency while cutting downtime losses and maintenance costs.

Summary

25% Glass-fiber-reinforced PTFE tubing is a high-performance, upgraded version of pure PTFE material, achieved through… 25% The optimal fiberglass reinforcement formulation achieves a perfect balance of six core performance attributes: corrosion resistance, high‑temperature resistance, superior wear resistance, creep resistance, excellent electrical insulation, and dimensional stability. It retains the exceptional chemical stability and broad thermal‑range compatibility of PTFE while fully addressing the industry’s longstanding challenges—namely, inadequate mechanical properties and susceptibility to deformation and abrasion in conventional PTFE tubing. Compared with traditional plastics, rubbers, and standard PTFE tubes, it offers enhanced adaptability to diverse operating conditions, a longer service life, and greater operational reliability.

Our products are designed to meet the demanding operating conditions across a wide range of industries, including chemicals, healthcare, aerospace, electronics and electrical engineering, new energy, and automation machinery. They effectively enhance equipment reliability, reduce failure‑related downtime and lower maintenance costs, making them the preferred choice for industrial applications involving extreme temperatures, severe corrosion, high pressure and heavy loads, as well as precision‑critical protective environments. With exceptional cost‑effectiveness and strong industry‑specific applicability, our solutions deliver outstanding value.