塑料 · PLASTIC

热塑性聚氨酯(TPU)

Thermoplastic Polyurethane

TPU 是一种兼具高弹性、耐磨性与柔韧性的热塑性弹性体材料，化学结构介于塑料与橡胶之间。其可通过注塑、挤出、3D 打印、热压等多种方式加工，广泛用于消费电子、鞋类、装置艺术、交互设计、软连接构件等领域。

TPU is a thermoplastic elastomer material combining high elasticity, wear resistance, and flexibility, with a chemical structure between plastic and rubber. It can be processed through injection molding, extrusion, 3D printing, hot pressing and other methods, widely used in consumer electronics, footwear, installation art, interaction design, soft connection components and other fields.

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Plates

材料图版

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Characteristics

材料特性

高弹性/柔韧性High Elasticity/Flexibility
可被强力拉伸、反复弯曲不断裂，回复性极好Can be strongly stretched and repeatedly bent without breaking, excellent recovery
耐磨抗划Wear and Scratch Resistance
优于大多数热塑性塑料，适用于易接触部位Superior to most thermoplastics, suitable for contact-prone areas
耐油耐化学性Oil and Chemical Resistance
对多数油脂、溶剂、酸碱具一定抵抗力，适合高使用频场景Has certain resistance to most oils, solvents, acids and alkalis, suitable for high-frequency use scenarios
透明性可调Adjustable Transparency
可制高透明、雾面或彩色版本，视觉表现多样Can produce high transparency, matte or colored versions with diverse visual performance
粘接适性佳Good Adhesion Compatibility
可与布、金属、橡胶等多材质复合，适合复合结构或皮肤接触类应用Can be combined with fabrics, metals, rubber and other materials, suitable for composite structures or skin contact applications
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Specifications

技术参数

属性 / Property数值 / Value单位 / Unit
密度Density1.1-1.251.1-1.25g/cm³
拉伸强度Tensile Strength30-5530-55MPa
断裂伸长率Elongation at Break400-700400-700%
邵氏硬度Shore Hardness60A – 98A（或95A – 64D）60A – 98A (or 95A – 64D)—
工作温度范围Working Temperature Range-40℃ ~ +80℃（部分特种可达+120℃）-40℃ ~ +80℃ (some special grades up to +120℃)—
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Manufacturing Process

制造工艺

注塑成型：适用于结构件、表带、保护壳、缓冲块等 挤出成型：用于管材、薄膜、透明软片、边带等 吹膜成型：可生产轻薄柔性保护膜、透气膜、服装涂层等 热压贴合：常与布料贴合，制作弹性结构、软触包覆层 3D 打印（FDM）：支持软料打印（如TPU 95A），适合复杂外形验证、柔性原型 激光切割/CNC：厚度薄时可切割成形，但边缘易焦黑或粘连，需注意控制工艺

Injection Molding: Suitable for structural components, straps, protective cases, cushioning blocks, etc. Extrusion Molding: Used for tubing, films, transparent soft sheets, edge strips, etc. Blow Film Molding: Can produce lightweight flexible protective films, breathable films, clothing coatings, etc. Hot Press Lamination: Often laminated with fabrics to create elastic structures, soft-touch covering layers 3D Printing (FDM): Supports flexible material printing (such as TPU 95A), suitable for complex shape validation, flexible prototypes Laser Cutting/CNC: Can be cut and formed when thickness is thin, but edges are prone to charring or adhesion, requiring careful process control

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Applications

应用场景

  • App. 01

    电子产品配件

    Electronic Product Accessories

    手机壳、耳机线套、充电线保护套、缓冲垫

    Phone cases, earphone cable sleeves, charging cable protectors, cushioning pads

  • App. 02

    交互设计

    Interaction Design

    触感按键、软性操控界面、弹性连接件、震动缓冲组件

    Tactile buttons, soft control interfaces, elastic connectors, vibration damping components

  • App. 03

    艺术装置

    Art Installations

    柔性雕塑外皮、互动触感表面、光线扩散膜、弹性支撑结构

    Flexible sculpture skin, interactive tactile surfaces, light diffusion films, elastic support structures

  • App. 04

    运动防护

    Sports Protection

    护具内衬、缓冲垫片、弹性绑带、防滑垫

    Protective gear lining, cushioning pads, elastic straps, anti-slip mats

  • App. 05

    医疗器械

    Medical Devices

    软性导管、密封垫圈、皮肤接触部件、柔性传感器外壳

    Soft catheters, sealing gaskets, skin contact components, flexible sensor housings

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