Aicaigou LogoAicaigou LogoB2B WikiIndustrial Encyclopedia

Sliding PBT

Updated: 2026-07-31

Overview

Sliding PBT (Polybutylene Terephthalate) is a specialized form of PBT engineered to exhibit low friction and high wear resistance. It is widely used in applications where smooth sliding motion and durability are critical. This material combines the inherent benefits of PBT, such as mechanical strength and thermal stability, with enhanced lubricity for reduced friction. PBT is a semi-crystalline thermoplastic, part of the polyester family, known for its excellent electrical insulation properties and resistance to chemicals and heat. The sliding variant is often modified with additives like PTFE or silicone to achieve its low-friction characteristics.

Physical and Chemical Properties

sabic 基础创新 PBT WL004 WHNAT 铁氟龙增强 高滑动耐磨 本色塑胶粒子东莞市盛悦新材料有限公司

Sliding PBT boasts a density of 1.31-1.38 g/cm³ and a melting point between 220-230°C, making it suitable for high-temperature environments. Its low moisture absorption ensures dimensional stability, even in humid conditions. The material is insoluble in water and resistant to most organic solvents, oils, and fuels. Key mechanical properties include high tensile strength, stiffness, and impact resistance. The addition of lubricating agents reduces the coefficient of friction, making it ideal for moving parts. These properties are retained across a broad temperature range, from -40°C to 120°C.

商家经验真实案例 · 安全可信
18pm与17pm区别解析
本文详细比较18pm与17pm的差异,从外观、功能到性能,帮助读者全面了解两者的不同之处。

Main Applications

Sliding PBT is extensively used in the automotive industry for components like bearings, gears, and bushings, where low friction and durability are essential. It is also employed in electrical applications, such as insulators and connectors, due to its excellent dielectric properties. In consumer goods, sliding PBT is found in appliances, office equipment, and industrial machinery. Its ability to withstand repetitive motion without significant wear makes it a preferred choice for sliding mechanisms, such as printer parts and conveyor system components.

Safety and Storage

高滑动PBT 美国杜邦 SK645-BK851 注塑级 增强级 阻燃 耐老化苏州汇吉昌新材料科技有限公司

While Sliding PBT is generally safe to handle, precautions should be taken to avoid inhalation of dust during processing. Prolonged skin contact should be minimized, and proper ventilation is recommended when machining or molding the material. Storage conditions should be cool and dry, with temperatures below 30°C and relative humidity under 50%. The material should be kept in its original packaging to prevent moisture absorption, which could affect its performance in high-precision applications.

商家经验真实案例 · 安全可信
EVA泛白原因揭秘
本文深入分析EVA材料泛白的三大成因,包括水分渗透、紫外线老化和添加剂析出,并提供实用解决方案,帮助读者有效预防和解决泛白问题。

B2B Procurement Guide

When procuring Sliding PBT, verify the material specifications, including additive content (e.g., PTFE or silicone) and mechanical properties. Request material datasheets and certificates of analysis from suppliers to ensure compliance with industry standards. Consider the supplier’s reputation, lead times, and minimum order quantities. Pricing varies based on volume and specific formulations, so negotiate bulk discounts where possible. For critical applications, conduct in-house testing to validate performance before full-scale procurement.

Related Manufacturers