PFA heat-shrink tubing for the highest purity requirements and UHP analysis
PFA heat-shrink tubing from ROTIMA is the technological solution to the extreme demands of semiconductor manufacturing, the pharmaceutical industry, and modern process engineering. This material combines the thermal resistance of PTFE with a non-porous, melt-processed surface structure that virtually eliminates contamination of ultra-pure media through ion extraction.
Since 1964, ROTIMA has been synonymous with outstanding expertise in specialized tubing technology. Our PFA portfolio is specifically designed for industries where particle-free performance and chemical stability are critical to the success of entire production batches. Through our optimized logistics in Germany and Switzerland, we ensure the timely delivery of these high-performance components.
Since 1964, ROTIMA has been synonymous with outstanding expertise in specialized tubing technology. Our PFA portfolio is specifically designed for industries where particle-free performance and chemical stability are critical to the success of entire production batches. Through our optimized logistics in Germany and Switzerland, we ensure the timely delivery of these high-performance components.
Over 60 years of experience
using PFA shrink-wrapping technology
Short delivery times
through optimized warehousing
Germany and Switzerland
Dual location strength and reliability
Why PFA heat-shrink tubing is indispensable in semiconductor and process technology
At ROTIMA, PFA is the material of choice for environments that tolerate no compromises in purity. Due to its minimal outgassing and low extractability, PFA is the preferred material for coating sensors, heat exchangers, and sampling systems in analytical applications.
Technically significant are its excellent dielectric insulation properties and its resistance to even the most aggressive acids, such as hydrofluoric acid. The crystal-clear transparency of PFA also enables seamless visual monitoring of critical components under extreme conditions.
PFA (perfluoroalkoxy) is characterized by nearly universal chemical resistance and excellent mechanical strength at high temperatures. Unlike PTFE, PFA can be processed by melting, which allows for particularly smooth inner and outer walls that prevent any buildup.
Key distinction: While FEP has a thermal limit of +204 °C, PFA retains its dimensional stability up to +260 °C. In addition, PFA offers significantly higher resistance to stress cracking and superior material purity, making it the standard for ultra-high-purity (UHP) applications.
Technically significant are its excellent dielectric insulation properties and its resistance to even the most aggressive acids, such as hydrofluoric acid. The crystal-clear transparency of PFA also enables seamless visual monitoring of critical components under extreme conditions.
PFA (perfluoroalkoxy) is characterized by nearly universal chemical resistance and excellent mechanical strength at high temperatures. Unlike PTFE, PFA can be processed by melting, which allows for particularly smooth inner and outer walls that prevent any buildup.
Key distinction: While FEP has a thermal limit of +204 °C, PFA retains its dimensional stability up to +260 °C. In addition, PFA offers significantly higher resistance to stress cracking and superior material purity, making it the standard for ultra-high-purity (UHP) applications.
Product Specifications and Variants of PFA Heat-Shrink Tubing
This version offers maximum protection for applications in aggressive wet chemical environments. It shrinks to fit snugly over probes or fluidic components and forms a chemically resistant protective layer.
| Parameter | Technical Value |
|---|---|
| Material | PFA (perfluoroalkoxy) |
| Continuous operating temperature | −200 °C to +260 °C |
| Shrinkage temperature | approx. +330 °C to +350 °C |
| Purity Class | Ultra-High-Purity (UHP) |
| Chemical Resistance | Universal (virtually inert) |
| Surface | Non-porous, melt-processed |
| Flammability | Non-flammable (UL94 V-0) |
PFA Splinter Protection for UV Lamps
Thanks to its superior light transmission compared to all other fluoropolymers, PFA is often used as a transparent splinter guard for specialty lamps. It does not yellow and retains its strength even under intense UV radiation.
| Parameter | Beschreibung |
|---|---|
| Optik | Glasklar / Hochtransparent |
| UV-Stabilität | Exzellent (keine Degradation) |
| Besonderheit | Höchste UV-Durchlässigkeit |
| Anwendung | Lampenschutz, Wasseraufbereitung |
Technical Comparison Table: Differentiating Fluoropolymers
This version offers maximum protection for applications in aggressive wet chemical environments. It shrinks to fit snugly over probes or fluidic components and forms a chemically resistant protective layer.
| Property | PFA (Purity) | FEP (Optics) | PTFE (Heat) |
|---|---|---|---|
| Max. operating temperature | +260 °C | +204 °C | +260 °C |
| Surface structure | Non-porous | Smooth | Microporous |
| Degree of purity | Ultra-High Performance (UHP) | High | Medium |
| Optical Quality | Crystal Clear | Crystal Clear | Milky/Opaque |
| Meltable | Yes | Yes | No |
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PFA heat-shrink tubing
PFA heat-shrink tubing
Thermal Activation and Cleanroom Processing
The installation of PFA heat-shrink tubing requires precise temperature control due to the high shrinkage temperature (approx. +340 °C).
- Process Control: Uneven heating can cause stress in PFA. We recommend temperature-controlled infrared heaters or convection ovens.
- Cleanliness: Since PFA is often used in cleanroom environments, we at ROTIMA ensure particle-free handling and packaging.
- Safety: As with all fluoropolymers, adequate ventilation must be ensured when processing at temperatures above +360 °C.
Precision Assembly for the High-Tech Industry
ROTIMA supplies PFA heat-shrink tubing by the meter or as precise, burr-free cuts. This is crucial for preventing turbulence or particle buildup at the cut edges in fluid systems.
| Performance | ROTIMA Specification |
|---|---|
| Delivery form | Rolls, meter-length pieces, custom cuts |
| Cleaning Service | Dust-proof packaging available upon request |
| Tolerances | Precision Measurement for UHP Applications |
Applications by Industry
Semiconductor & Electronics Industry
Protection of quartz glass components and fluid systems against highly corrosive etching agents. The non-porous surface of PFA prevents contaminants from adhering.
Pharmaceuticals & Biotechnology
Thanks to its hydrophobic properties and resistance to sterilization cycles, PFA is the material of choice for sterile processes and media-carrying lines.
Analytics & Environmental Technology
Coating for sensors used in water and exhaust gas analysis. PFA ensures accurate measurement results by minimizing interaction with the sample medium.
EPDM cold-shrink tubing for electrical insulation
Used as a UV-transmissive protective tubing for industrial germicidal lamps. PFA offers the optimal combination of light transmission and thermal reserve in this application.
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PFA heat-shrink tubing
PFA heat-shrink tubing
Types and Varieties of PFA Heat-Shrink Tubing
The differentiation within PFA tubing technology is crucial for processes that do not tolerate any compromises in material purity and thermal resistance. PFA (perfluoroalkoxy) combines the chemical advantages of PTFE with the non-porous surface structure of a melt-processable thermoplastic.
To the best of our knowledge, system stability in the semiconductor or pharmaceutical industries depends largely on whether the selected PFA variant meets the specific requirements for ion extraction and stress crack resistance. Our project engineers therefore categorize PFA solutions based on their degree of purity, optical quality, and suitability for sterile process environments.
To the best of our knowledge, system stability in the semiconductor or pharmaceutical industries depends largely on whether the selected PFA variant meets the specific requirements for ion extraction and stress crack resistance. Our project engineers therefore categorize PFA solutions based on their degree of purity, optical quality, and suitability for sterile process environments.
PFA Anti-Static (ESD-Safe Version)
In potentially explosive atmospheres or when handling high-purity, flammable solvents, it is essential to prevent static buildup. This version is configured for volume conductivity. Without this modification, high flow rates pose a risk of spark discharges that could perforate the PFA material or cause fires.
| Parameter | Specific value | Technical Classification |
|---|---|---|
| Surface resistance | ＜ 10^6 ohms | Dissipation of Static Charge |
| ATEX Certification | Zone 0 / 1 / 2 | Explosion Protection Compliance |
| Color | Black (conductive) | Safety Component Labeling |
| Chemical Resistance | Preserved | Receiving PFA Benefits |
PFA-Clear-Optics (High-Transparency Version)
This special version is optimized for maximum light transmission. We recommend this type as shatter protection for UV lamps in water treatment or for monitoring color changes in chemical processes. The core problem addressed here is the combination of optical monitoring and extreme heat protection, which is technically unfeasible with PTFE (opaque).
| Parameter | Specific value | Technical Classification |
|---|---|---|
| Light transmission | ＞ 95 % | Optical Transparency |
| UV resistance | Absolutely stable | No yellowing under radiation |
| Refractive Index | 1.34 | Optical Precision |
| Field of Application | UV Lamp Protection | Split Protection in Pure Processes |
| Wall structure | Uniformly crystal-clear | Visual inspection of the shrink-wrapped product |
| Resistance to aging | Excellent | Maintaining transparency over the years |
PFA Edge Diagnostic (Future-Proof Monitoring Option)
As a modern technological solution, this variant enables the integration of monitoring functions into the insulation. We are evaluating multilayer composites that serve as substrates for printed sensors. This enables the real-time detection of temperature spikes at critical process nodes—a decisive step toward Industry 4.0 for the chemical industry.
| Parameter | Specific value | Technical Classification |
|---|---|---|
| Diagnostic capability | Real-Time Monitoring | Predictive maintenance is possible |
| Degree of integration | Sensor Mounting System | Smart Polymer Architecture |
| Real-time capability | Given | Fast response times |
| Data Interface | Digital or analog options available | Integration into process control systems |
PFA Heavy-Duty (Mechanical Performance Version)
When mechanical stresses occur in conjunction with high temperatures, the heavy-duty version is required. Our engineers developed this design for mechanical engineering applications where the insulation must be protected against abrasion and vibration. Unlike the standard version, this design features a thicker wall that absorbs mechanical impact without compromising the chemical barrier.
| Parameter | Specific value | Technical Classification |
|---|---|---|
| Abrasion resistance | Increased | Protection against vibration/friction |
| Shore D hardness | 60 - 65 | Mechanical Stability |
| Elongation at break | ＞ 300 % | High elasticity |
| Compressive strength | Increased | Dimensional Stability Under Load |
| Impact resistance | High | Protection against mechanical shock |
| Longitudinal shrinkage | ＜ 10 % | High dimensional accuracy |
PFA-Medical-Pharma (Sterile Process Version)
Cleanability (CIP/SIP) is essential for biotechnology production. We recommend using this variant because of its hydrophobic and non-porous surface, which provides no breeding ground for microorganisms. It differs from industrial-grade PFA in its full regulatory compliance and resistance to repeated sterilization cycles without material embrittlement.
| Parameter | Specific value | Technical Classification |
|---|---|---|
| Conformity | FDA / USP Class VI | Regulatory Approval |
| Sterilizability | Autoclave, Gamma, ETO | Process Reliability in MedTech |
| Surface energy | Extremely low | Prevention of Biofilms |
| Odor-free | Given | Preserving Product Flavors |
| Toxicology | Biocompatible | Applications in Human Medicine |
PFA Retrofit Long Range (Refurbishment Version)
This variant is used for the rehabilitation of long pipe or cable systems. In ROTIMA’s project management, this type is often used for the continuous shrink-wrapping process in chemical plants. It solves the problem of segmented sections and reduces the number of potential leak points at joints.
| Parameter | Specific value | Technical Classification |
|---|---|---|
| Delivery form | Continuous rolls | Efficiency in Plant Retrofits |
| Flexibility | Optimized for Moving In | Easy Handling from a Distance |
| Wall Thickness Uniformity | Extremely high | Uniform protective effect |
| Dimensional accuracy | Stable | Long-Term Protection of the Stock |
PFA Standard Industrial (Thermal Base Architecture)
This design forms the foundation for demanding insulation applications in chemical process engineering. Our specialized department specifies this variant for the protection of probes and heat exchangers that operate continuously at temperatures up to +260 °C. The operating principle leverages the material’s thermoplastic processability to achieve a smoother surface than that of PTFE, which reduces the adhesion of process media. It is distinguished from specialized UHP grades by its standard certification level, which is optimized for general industrial acid-resistant applications.
| Parameter | Specific value | Technical Classification |
|---|---|---|
| Shrinkage ratio | 1.3:1 to 2:1 | Standard Adjustment |
| Operating temperature | -200 °C to +260 °C | Maximum thermal stability |
| Melting point | +305 °C | Thermoplastic Limit |
| Chemical Inertness | Almost universal | Protection against corrosive substances |
| Surface | Non-porous | Minimizing Residues |
| Tensile strength | 25 - 30 MPa | Mechanical Strength |
| Dielectric constant | 2.1 | Insulation Quality |
| Flammability | UL 94 V-0 | Inherent Safety |
PFA-UHP (Ultra-High-Purity High-End Version)
In semiconductor manufacturing, material purity is the most critical factor. For this variant, our employees rely on base materials specifically designed to minimize leaching. The goal is to prevent metal ion contamination in ultra-pure fluid circuits (e.g., during wafer etching). This variant solves the problem of gradual contamination that can occur with standard fluoropolymers. Choosing the wrong material in this context leads to massive scrap rates in production.
| Parameter | Specific value | Technical Classification |
|---|---|---|
| Degree of purity | Ultra-High Purity | Semiconductor Standard |
| Extraction Values | Minimal (ppb range) | Protection Against Ion Contamination |
| Wall thickness | Precision-toleranced | Constant Flow Rates |
| Surface roughness | ＜ 0.2 µm | Highest Level of Particle-Free Quality |
| Stress Crack Resistance | Excellent | Long-term stability under load |
| Cleanroom Manufacturing | ISO 5 / ISO 6 | Prevention of Foreign Particles |
| Validation | SEMI F57 compliant | Industry-Specific Certification |
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PFA heat-shrink tubing
PFA heat-shrink tubing
PFA Heat-Shrink Tubing: Technical Specifications and Solutions by Industry
PFA heat-shrink tubing represents the cutting edge of melt-processable fluoropolymers. At ROTIMA, we design PFA solutions for applications that require absolute chemical inertness, the highest purity, and a continuous operating temperature of up to +260 °C. Compared to FEP, PFA offers significantly higher thermal and mechanical stability combined with outstanding transparency.
PFA Heat-Shrink Tubing for Mechanical Engineering
PFA is ideal for precise sliding functions and mechanical protection under high-temperature conditions. We design PFA heat-shrink tubing for heavily stressed machine parts, intended to replace permanent lubrication through the material’s inherent properties.
| Parameter | Specifications |
|---|---|
| Material | PFA |
| Coefficient of Friction | Very low (self-lubricating) |
| Mechanical property | Greater toughness than PTFE |
| Shrinkage ratio | 1,3:1 |
| Flexibility | Tall, resistant to bending |
| Continuous load | Resistant to high temperatures without losing its shape |
| Application | Coating of Rollers and Shafts, Anti-Slip Protection |
PFA Heat-Shrink Tubing for the Automotive Industry
For high-performance applications in the engine compartment—particularly in exhaust sensor systems and turbocharger components—PFA provides the necessary safety margins. ROTIMA’s material-specific design ensures long-lasting insulation that retains its dimensional stability even under extreme thermal loads.
| Parameter | Specifications |
|---|---|
| Material | PFA |
| Operating temperature | Continuous operation up to +260 °C |
| Shrinkage temperature | approx. +205 °C |
| Dielectric Strength | approx. 80 kV/mm |
| Chemical Resistance | Resistant to battery acids and hot oils |
| Surface | Non-porous, extremely smooth |
| Approval / Standard | RoHS and REACH compliant |
| Application | Protection of lambda sensors, high-temperature wiring |
PFA Heat-Shrink Tubing for the Chemical Industry
In process engineering, PFA lining is superior to other fluoropolymers due to its non-porous structure, as it minimizes infiltration by aggressive gases. We design PFA hoses to provide the ultimate corrosion protection for heat exchangers and valves.
| Parameter | Specifications |
|---|---|
| Material | PFA (ultra-high purity) |
| Shrinkage ratio | 1,3:1 |
| Chemical Resistance | Universally inert to almost all chemicals |
| Shrinkage temperature | +205 °C to +215 °C |
| Water resistance | Completely hydrophobic |
| Mechanical property | Highest resistance to stress cracking |
| Approval / Standard | ISO 9001 zertifizierte Qualität |
| Application | Encapsulation of submersible probes, corrosion protection for agitators |
PFA Heat-Shrink Tubing for Electrical Engineering
PFA offers excellent electrical insulation properties that remain constant over a wide range of temperatures and frequencies. ROTIMA supplies these tubing for the insulation of high-power heating elements and specialized wound products.
| Parameter | Specifications |
|---|---|
| Material | PFA |
| Rated Voltage | High breakdown voltage with thin walls |
| Dielectric constant | approx. 2.1 (stable up to 260 °C) |
| Operating temperature | −200 °C to +260 °C |
| Shrinkage temperature | approx. +205 °C |
| Special feature | Excellent arc resistance |
| Approval / Standard | UL-listed |
| Application | Insulation of Heating Wires, High-Frequency Components |
PFA Heat-Shrink Tubing for the Semiconductor Industry (UHP)
"Ultra-High-Purity" (UHP) is the standard in chip manufacturing. Our PFA heat-shrink tubing is made from the purest raw materials and contains no metallic residues. The smooth surface prevents particle buildup in wet processes.
| Parameter | Specifications |
|---|---|
| Material | PFA (Ultra-High-Purity Grade) |
| Ionic Purity | Highest purity grade (metal-free) |
| Outgassing | Extremely low (low outgassing) |
| Shrinkage temperature | +205 °C |
| Chemical Resistance | Resistant to hydrofluoric acid (HF) and ozone |
| Surface | Microscopically non-porous |
| Approval / Standard | SEMI Standards |
| Application | Fluid Handling in Wafer Manufacturing, Etching Systems |
PFA Heat-Shrink Tubing for the Food Industry
Hygiene and thermal shock are daily challenges in the food industry. ROTIMA’s PFA heat-shrink tubing is FDA-compliant and can withstand the extreme temperatures of industrial baking and deep-frying equipment over the long term.
| Parameter | Specifications |
|---|---|
| Material | PFA (Virgin Grade) |
| Authorization | FDA-compliant, EU 10/2011 |
| Physiology | Tasteless and odorless |
| Cleaning | Fully CIP- and SIP-compatible |
| Operating temperature | Continuous exposure up to +260 °C |
| Nonstick effect | Excellent (easy to clean) |
| Application | Protection of Heating Elements, Food Filling Systems |
PFA Heat-Shrink Tubing for the Aerospace Industry
In avionics and engine technology, PFA heat-shrink tubing is indispensable due to its extreme temperature resistance and flame retardancy. They reliably protect wiring from aggressive aircraft hydraulic fluids (Skydrol) and ensure the proper functioning of critical systems under vacuum conditions.
| Parameter | Specifications |
|---|---|
| Material | Perfluoroalkoxy (PFA) |
| Shrinkage ratio | 1.3:1 to 1.6:1 |
| Operating temperature | −200 °C to +260 °C |
| Shrinkage temperature | approx. +205 °C to +210 °C |
| Chemical Resistance | Excellent (Skydrol, kerosene, solvents) |
| Mechanical property | High impact and tear resistance; creep-resistant |
| Approval / Standard | AS23053/13 (formerly MIL-I-23053/13) |
| Application | Engine Sensors, Cable Protection in High-Temperature Zones |
PFA Heat-Shrink Tubing for Medical Technology
PFA offers the combination of biocompatibility and transparency that is critical in medical technology. ROTIMA supplies PFA heat-shrink tubing for instruments that must be sterilized multiple times in an autoclave and require absolutely reliable insulation.
| Parameter | Specifications |
|---|---|
| Material | Medical-Grade PFA |
| Biocompatibility | USP Class VI / FDA |
| Sterilizability | Steam, ETO, Gamma, and Hot Air |
| Transparency | Very high (visual inspection possible) |
| Shrinkage temperature | approx. +205 °C |
| Surface | Anti-adhesive, gentle on tissue |
| Application | Insulation of Surgical Instruments and Endoscope Components |
PFA Heat-Shrink Tubing for the Pharmaceutical Industry
Pharmaceutical manufacturing requires materials with minimal extractables and leachables. Our PFA heat-shrink tubing ensures a contamination-free environment during the filling of highly potent medications.
| Parameter | Specifications |
|---|---|
| Material | PFA (High Purity) |
| Extraction Behavior | Minimum (verifiable purity) |
| Physiology | Physiologically inert |
| Temperature range | Stable during steam sterilization up to +260 °C |
| Surface | Non-porous (no bacterial adhesion) |
| Approval / Standard | USP Class VI, FDA |
| Application | Protection of Temperature Sensors in Bioreactors |
PFA Heat-Shrink Tubing for Environmental and Analytical Technology
In analytical applications, PFA prevents sample components from adsorbing onto the tubing wall. This is crucial for accurate measurement results in emissions monitoring or when analyzing aggressive environmental samples.
| Parameter | Specifications |
|---|---|
| Material | PFA |
| Transparency | Excellent (crystal clear possible) |
| Inertia | Completely neutral with respect to analytes |
| Gas Permeation | Extremely low |
| Consistency | UV- and ozone-resistant |
| Special feature | Minimum surface roughness |
| Application | Sampling Systems, Probe Design, Analytical Capillaries |
Industry-Specific FAQs About Our PFA Heat-Shrink Tubing
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Oliver Bürli
Head of Hose Technology, Sales and Product Management
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