Products and ServicesPET Product SeriesMedical Grade PET Heat Shrink Tubing
Medical Grade PET Heat Shrink Tubing
Medical-grade PET heat shrink sleeve is a special polyester film designed to provide insulation protection and structural integrity for medical equipment and components. Manufactured from polyethylene terephthalate (PET), this heat shrink sleeve delivers outstanding electrical insulation performance, high tensile strength and superior thermal stability, making it an indispensable component for the medical industry.
Core Functions
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BiocompatibilityOne of the core advantages of medical-grade PET heat shrink sleeves is their biocompatibility. This guarantees safe use of the material in medical applications and avoids adverse reactions when in contact with human body tissues.Biocompatibility -
Electrical InsulationThe excellent electrical insulation performance of PET heat shrink sleeves helps prevent electrical short circuits and ensures reliable operation of medical equipment and components.Electrical Insulation -
Mechanical ProtectionUpon heating, PET heat shrink sleeves closely conform to the contour of underlying parts to form a secure protective layer. It shields components from environmental factors such as moisture, dust and mechanical impact, thus extending their service life.Mechanical Protection -
Thermal StabilityThe material can withstand high temperatures without degradation or loss of insulating properties. This is particularly critical for medical device applications involving high-temperature exposure, such as sterilization procedures.Thermal Stability -
Chemical ResistancePET heat shrink sleeves resist a wide range of chemicals including disinfectants and sterilants. This makes them suitable for harsh medical environments and keeps components well-protected and fully functional.Chemical Resistance -
Easy ApplicationLightweight and flexible, PET heat shrink sleeves are convenient to handle and install during manufacturing. They are available in various thicknesses and diameters, enabling manufacturers to select appropriate sizes for diverse medical applications.Easy Application
Performance Indicators
Technical Parameters of PET Heat Shrink Tubing
| Item | unit | Test Methods/Test Tool | Result | |
|---|---|---|---|---|
|
specification and dimension |
inner diameter | mm | Plug Gauge | 3 - 25 |
| Wall Thickness | mm | Digimatic Micrometer | 0.045-0.125 | |
| Length | mm | caliper/steel rule | Customizable cutting | |
| Colors | / | visual | Customizable colors | |
| shape | / | visual | Flatten and round | |
|
Thermal properties |
Shrinkage/Sizing | % | laboratory water bath | lateral：48±4 longitudinal：8±3%（usual） |
| Melting point | ℃ | DSC | Tm≥220 | |
| Long-term use Temperature Range | ℃ | Oven | -25—120 | |
| Short-term use Temperature | ℃ | Oven | ＜200 | |
| Shrinking temperature | ℃ | Shrink furnace | 70–190 | |
|
Mechanical properties |
Tensile strength | MPa | ASTM D638 | ≥30 |
| Elongation at break | % | ASTM D638 | ≥200 | |
|
Electrical properties |
Surface resistivity | Ω.cm | GB/T 1410 | ≥1×109 |
| Volume resistivity | Ω.cm | GB/T 1410 | ≥1×1014 | |
|
Biocompatibility |
/ |
ISO 10993 |
Passed the ISO 10993 cytotoxicity test, skin sensitization test, intradermal irritation test, acute toxicity and acute heat source test) | |
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