Medical PET heat shrink sleeves are widely utilized in the healthcare sector for various applications, including packaging medical devices, pharmaceuticals, and consumables. These sleeves provide a tamper-evident seal, ensuring product integrity and safety. They are particularly effective for IV solutions, syringes, and ampoules, where maintaining sterility is crucial. The versatility of PET allows it to conform to complex shapes, providing a snug fit that enhances product presentation and branding.
Advantages of PET Heat Shrink Tubing
Ultra-Thin Walls: PET heat shrink tubing features walls that are significantly thinner than those of traditional heat shrink materials, ranging from 0.00015 inches. This allows for a more compact design in medical devices without compromising strength .
High Strength: Despite its thin profile, PET tubing is known for its high strength and durability, making it suitable for demanding applications such as balloon catheters and other medical devices that require reinforcement.
Excellent Insulation Properties: PET provides effective electrical insulation, which is crucial for many medical devices that involve electronic components.
| PET Shrink Tube Technical Parameters |
| 项目(Item) | 单位（unit） | 测试方法(Test Methods)/ 测量工具(Test Tool) | 结果（Result） |
| 规格尺寸（specification and dimension） | 内径（inner diameter） | mm | 塞规(Plug Gauge) | 3 - 25 |
| 壁厚（Wall Thickness） | mm | 数显千分尺(Digimatic Micrometer) | 0.045 - 0.125 |
| 长度（Length ） | mm | 卡尺(caliper)/钢尺(steel rule) | 可定制切割(Customizable cutting) |
| 颜色（Colors） | / | 目视(visual) | 可定制颜色(Customizable colors) |
| 形状（shape） | / | 目视(visual) | 压扁后撑圆(Flatten and round) |
| 热特性（Thermal properties） | 收缩率（Shrinkage/Sizing） | % | 水浴锅(laboratory water bath) | 横向(lateral)：48±4
纵向(longitudinal)：8±3%（常规usual） |
| 熔点（Melting point） | ℃ | DSC | Tm≥220 |
| 长期使用温度（Long-term use Temperature Range） | ℃ | 烘箱(Oven) | -25—120 |
| 短期使用温度（Short-term use Temperature） | ℃ | 烘箱(Oven) | ＜200 |
| 收缩温度（Shrinking temperature） | ℃ | 热缩炉(Shrink furnace) | 70–190 |
| 机械特性（Mechanical properties） | 拉伸强度（Tensile strength） | MPa | ASTM D638 | ≥30 |
| 断裂伸长率（Elongation at break） | % | ASTM D638 | ≥200 |
| 电气特性（Electrical properties） | 表面电阻率（Surface resistivity） | Ω.cm | GB/T 1410 | ≥1×109 |
| 体积电阻率（Volume resistivity） | Ω.cm | GB/T 1410 | ≥1×1014 |
| 生物相容性（Biocompatibility) | / | ISO 10993 | 通过ISO 10993细胞毒性测试皮肤致敏测试皮内刺激测试急毒性和急热源性检测(Passed the ISO 10993 cytotoxicity test, skin sensitization test, intradermal irritation test, acute toxicity and acute heat source test) |
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