行业组件数据 · 2026

聚四氟乙烯套管

PTFE sleeve is a high-performance fluoropolymer component used for sealing, insulation, and low-friction applications in industrial junctions.

技术定义与适配语境
典型 聚四氟乙烯套管 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

A PTFE (Polytetrafluoroethylene) sleeve is a cylindrical component manufactured from PTFE polymer, designed to provide chemical resistance, thermal stability (operating range -200°C to +260°C), electrical insulation, and minimal friction in mechanical junctions. It serves as a protective barrier, seal, or bearing surface in various industrial equipment connections.

组件规格

定义
A PTFE (Polytetrafluoroethylene) sleeve is a cylindrical component manufactured from PTFE polymer, designed to provide chemical resistance, thermal stability (operating range -200°C to +260°C), electrical insulation, and minimal friction in mechanical junctions. It serves as a protective barrier, seal, or bearing surface in various industrial equipment connections.
工作原理
The PTFE sleeve operates by creating a chemically inert, non-stick, and low-friction interface between mating surfaces in a junction. Its molecular structure provides excellent dielectric properties and thermal resistance, preventing corrosion, reducing wear, and maintaining seal integrity under extreme conditions.
材料
Virgin PTFE (Polytetrafluoroethylene) polymeroptionally filled with glass fibercarbonor bronze for enhanced mechanical properties. Density: 2.1-2.3 g/cm³Melting Point: 327°C.
Hardness
50-65 Shore D
Tensile Strength
20-35 MPa
Temperature Range
-200°C to +260°C
Chemical Resistance
Resistant to most chemicals and solvents
Dielectric Strength
>40 kV/mm
Coefficient of Friction
0.04-0.10
标准
ISO 12086DIN 3754

行业分类与别名

聚四氟乙烯套管 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Excessive mechanical load or temperature->Deformation or creep leading to seal failure->Use filled PTFE grades, proper sizing, and limit operational loads
Chemical exposure beyond compatibility->Swelling or degradation->Verify chemical resistance charts and use alternative materials if needed
Improper installation or misalignment->Premature wear or leakage->Follow installation guidelines and ensure proper alignment in junction

工业生态与工程逻辑

0
Cold flow under sustained load
1
Radiation degradation
2
Limited mechanical strength compared to metals

合规与检测

tolerance
±0.1 mm on diameter, ±0.2 mm on length (standard)
test method
ASTM D1710 for electrical properties, ASTM D638 for tensile strength, ISO 12086 for material specifications

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What are the main advantages of using a PTFE sleeve in industrial junctions?

PTFE sleeves offer excellent chemical resistance, high-temperature stability, low friction, and electrical insulation, making them ideal for harsh environments and reducing maintenance needs.

Can PTFE sleeves be used in food processing equipment?

Yes, PTFE is FDA-compliant and suitable for food-grade applications due to its inertness and non-toxic properties.

How does temperature affect PTFE sleeve performance?

PTFE maintains properties from -200°C to +260°C, but may experience cold flow or creep under sustained load at high temperatures; filled PTFE variants can improve this.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

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初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

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URN:CNFX:ME:UNIT:PTFE_SLEEVE