Overview
Anti-static PSU plastic pellets are engineered polymer compounds combining polysulfone's inherent durability with specialized conductive additives. These materials address static-related failures in sensitive electronics and explosive environments by providing controlled surface resistivity. Unlike standard PSU, they incorporate carbon nanotubes, metallic fibers, or organic anti-static agents to achieve consistent charge dissipation. Developed in response to increasing ESD (electrostatic discharge) risks in advanced manufacturing, these pellets meet IEC 61340-5-1 standards for static control. They retain PSU's advantages—including autoclavability and hydrolysis resistance—while adding ESD protection critical for cleanroom and high-precision applications.
Physical and Chemical Properties
The base polysulfone matrix provides exceptional thermal stability, with a glass transition temperature (Tg) around 190°C and continuous service up to 160°C. Anti-static variants maintain these properties while achieving surface resistivity between 10⁶-10⁹ Ω/sq, ideal for dissipating charges without creating short circuits. Mechanical properties include tensile strength of 70-90 MPa and flexural modulus of 2.5-3.0 GPa. Chemically, these pellets exhibit outstanding resistance to acids, bases, and sterilization methods. The anti-static performance remains stable after repeated washing or steam exposure, unlike temporary topical treatments. Additive selection determines whether the material offers intrinsic conductivity (permanent) or humidity-dependent performance.
Main Applications
In electronics manufacturing, these pellets are injection-molded into IC trays, wafer carriers, and test sockets where static discharge could damage microchips. Medical applications include surgical instrument handles and imaging equipment components that require both ESD safety and autoclave sterilization. The aerospace industry uses them for fuel system parts and avionics housings. Beyond these core uses, anti-static PSU is gaining traction in 3D printing filaments for functional prototypes requiring static control. Recent innovations include FDA-compliant formulations for pharmaceutical packaging and transparent grades for static-dissipative windows in cleanrooms.
Safety and Storage
While PSU itself is biologically inert, some conductive additives may require handling precautions. Processing temperatures should stay below 350°C to prevent additive degradation. Finished parts typically comply with RoHS and REACH regulations, but specific formulations should be verified for heavy metal content. Storage requires moisture-proof packaging with desiccants to prevent additive migration. Pellets should be used within 12 months of manufacture to ensure consistent anti-static performance. During transportation, grounding straps are recommended to prevent static buildup in bulk containers.
B2B Procurement Guide
Industrial buyers should prioritize suppliers that provide certified test reports for surface resistivity (ASTM D257) and volume resistance (IEC 60093). Key specifications to confirm include additive type (permanent vs. migratory), color stability, and regulatory certifications for your target industry. For large-volume orders (5+ metric tons), consider requesting material samples for trial molding. Pricing tiers typically decrease at 500kg, 2MT, and 5MT order quantities. Some manufacturers offer custom compounding with tailored resistivity levels or additional features like antimicrobial properties.
Related Manufacturers
- 主营：PA66原料、无卤阻燃PA66、PA6改性料、导电防静电塑料、工程塑料、阻燃PA66、改性塑料、改性尼龙、特种塑料、PEEK原料、PPS原料、PA6原料、TPEE塑料、PEI改性料、TPE、TPU、PEEK板棒、PEI板棒、铁氟龙原料、3D打印耗材、PSU、PPSU、PES、PEEK粉末、导电塑料
- 主营：TPEE弹性体、TPE原料、TPU聚氨酯、沙林树脂、PTFE聚四氟乙烯、PFA全氟乙烯、PVDF、PPA、PA12、PA46、PA9T、聚砜PSU、PPSU、PEEK、PEI、COC、ETFE、THV
- 主营：塑胶、塑胶原料、工程塑料、塑料胶粒、PC、POM、PPS、LCP、PA12、尼龙6、尼龙66、PA4T、TPU、TPV、TPE、TPEE、PC/ABS、尼龙11、PA9T、PBT、PVC
- 主营：POM、PA66、PA6、铁氟龙、TPU、PBT、PC、特种工程塑料
- 主营：通用料、聚丙烯、TPU、EVA、PA66、PA6、POM、ABS、PC、PPO、POE、PEEK、PPE、PPS、PETG、AES、PA、TPV
- 主营：铁氟龙、工程塑料、通用塑料、合金塑料、热塑弹性体、尼龙、LCP、PBT、TPU、POM、PTFE、PFA、PVDF、PEEK、PA12、PSU、PPSU、PEI、PES、TPE、PPE、ETFE、COC、FEP
- 主营：PC通用塑料、耐高温塑料、尼龙塑料、PVDF铁氟龙
- 主营：Pa66、Pom、PC、PPS、PES、LCP、PEEK、PTFE、PFA、PA12
- 主营：消泡剂、手感剂、流平剂、psu、成核剂、湿润分散剂、表面活性剂、光稳定剂、紫外线吸收剂、偶联剂、固化剂、附着力促进剂、抗静电剂、扩链剂、光扩散剂、增韧剂、光引发剂、催干剂、涂料助剂、塑料助剂
- 主营：阻燃剂、工程pom、原料tpv、psu塑料、聚合物、r-4-240na、加纤ppa、安全帽、玻璃珠、易流动、ppe塑胶、905塑料、聚酰胺、r-4-280bl、增强lcp、聚苯醚、抗焊接、805塑料、高聚物、lcp橡胶、r-4-230bl、r-4-244bl、pom塑料、聚丙烯、冷冻盒
- 主营：泡沫箱、阻燃剂、胶黏剂、防冻剂、热熔胶、催化剂、电子材、哑光粉、涂料的、热溶胶、消除剂、荧光粉、锤纹剂、纤维素、消光剂、清洗剂、合板胶、印光油、滑雪靴、缓蚀剂、糊树脂、展渗剂、色浆红、脂肪醇、除味剂
- 主营：阻燃剂、催化剂、耐磨pfa、防沉剂、圆微球、消光剂、清洗剂、聚酰胺、浸塑粉、耐磨剂、共聚物、手感剂、消泡剂、成核剂、三聚体、密封胶、洁管剂、扩链剂、偶联剂、密封件、增韧剂、抗氧剂、钛白粉、蜡助剂、池薄膜