Overview
Black high-temperature resistant PC is a specialized grade of polycarbonate engineered to withstand elevated temperatures while retaining its mechanical and electrical properties. This thermoplastic polymer is widely recognized for its durability, making it a staple in industries where heat resistance and structural integrity are critical. Unlike standard PC, this variant incorporates additives or copolymer formulations to enhance its thermal stability, often allowing it to perform continuously at temperatures up to 130-150°C. Its black pigmentation not only provides aesthetic versatility but also improves UV resistance, making it suitable for outdoor applications.
Physical and Chemical Properties
This material exhibits a unique combination of properties, including a high glass transition temperature (Tg) of approximately 145-150°C, which ensures dimensional stability under heat. Its impact resistance is notably superior to many other thermoplastics, with an Izod impact strength of around 600-850 J/m. Chemically, black high-temperature PC is resistant to dilute acids, oils, and aliphatic hydrocarbons, though it may degrade when exposed to strong alkalis or certain solvents like acetone. Its flame-retardant properties (often UL94 V-0 rated) and low smoke emission make it a preferred choice for electrical and automotive safety components.
Main Applications
In the automotive sector, this material is used for under-the-hood components such as sensor housings, connectors, and lighting systems due to its ability to endure engine heat. The electronics industry leverages its dielectric properties for circuit breakers, switch housings, and LED reflectors. Industrial applications include machinery parts, conveyor components, and protective enclosures where heat and impact resistance are paramount. Its UV stability also makes it suitable for outdoor equipment housings and telecommunications infrastructure.
Safety and Storage
While black high-temperature PC is generally safe to handle, processing at high temperatures (e.g., during injection molding) may release trace fumes, necessitating adequate ventilation. It is non-hazardous under normal conditions but should be stored in a dry environment to prevent moisture absorption, which can affect processing. Long-term storage recommendations include keeping the material in its original packaging at temperatures below 30°C. Avoid direct sunlight exposure to prevent premature aging of the polymer.
B2B Procurement Guide
When sourcing black high-temperature PC, prioritize suppliers who provide material data sheets (MDS) with verified heat deflection temperature (HDT) values under load (e.g., 1.82 MPa). Certifications like ISO 9001 or UL listings can indicate quality consistency. For cost efficiency, consider bulk purchasing (e.g., pallet quantities), which often reduces the price by 10-15%. However, request samples to test thermal and mechanical performance under your specific application conditions before large-scale procurement. Lead times typically range from 2-6 weeks, depending on supplier stock and customization requirements.
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