Conductive Wear-Resistant High-Temperature PPS Plastic
Overview
Conductive wear-resistant high-temperature PPS (Polyphenylene Sulfide) plastic is a specialized engineering thermoplastic composite. It combines the inherent high-temperature resistance and chemical stability of PPS with added conductive fillers (such as carbon fibers or metallic particles) to provide electrical conductivity while maintaining excellent mechanical strength and wear resistance. This material is engineered for demanding applications where traditional plastics fail, particularly in environments requiring both electrical conductivity and durability under high thermal and mechanical stress. Its unique properties make it a preferred choice for advanced industrial and electronic applications.
Physical and Chemical Properties
This PPS variant exhibits a high continuous use temperature of up to 220-240°C, with short-term resistance reaching 260°C. The incorporation of conductive fillers reduces surface resistivity to 10^2-10^6 ohm/sq, enabling static dissipation or EMI shielding capabilities while retaining PPS's inherent flame retardancy (UL94 V-0 rating). Chemically, it resists acids, bases, fuels, and most solvents, making it suitable for harsh environments. The wear resistance is significantly enhanced compared to standard PPS, with a low coefficient of friction and high PV (pressure-velocity) limit, ideal for sliding or rotating components.
Main Applications
In automotive systems, this material is used for fuel system components, sensor housings, and under-hood parts requiring both electrical functionality and heat resistance. Electronics applications include connectors, IC trays, and housings where static control is critical. The industrial sector utilizes it for pump components, bearing cages, and seals in chemically aggressive environments. Emerging applications include 3D printing filaments for functional prototypes and aerospace components where weight reduction and conductivity are simultaneously required.
Safety and Storage
While PPS itself has low toxicity, the conductive additives may require special handling precautions. Processing temperatures typically range 300-350°C, requiring adequate ventilation to avoid fume inhalation. Finished parts are generally safe for end-use applications. Storage should maintain material dryness (recommended <0.02% moisture content) to prevent processing defects. Original packaging should be kept sealed until use, with recommended shelf life of 12 months when stored below 30°C and 50% relative humidity.
B2B Procurement Guide
When sourcing this specialized plastic, clearly specify required parameters: volume resistivity target (ohm-cm), thermal stability requirements, and mechanical property thresholds. For critical applications, request certified test data for key properties. Lead times can vary from 4-12 weeks depending on formulation complexity. For large volume purchases (5+ metric tons), negotiate pricing tiers. Quality assurance should include batch testing for conductivity consistency and mechanical properties. Consider regional suppliers to reduce logistics costs for heavy plastic materials.
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