Overview
PC Black Masterbatch is a specialized color concentrate designed for polycarbonate (PC) resins. It combines high-purity carbon black pigments with PC-compatible carriers to deliver uniform black coloration. This masterbatch is widely used in industries requiring durable, heat-resistant, and aesthetically consistent plastic components. Manufacturers prefer PC Black Masterbatch for its ease of processing and ability to maintain color stability under high-temperature conditions. It eliminates the need for direct pigment handling, reducing contamination risks and improving production efficiency.
Physical and Chemical Properties
PC Black Masterbatch exhibits exceptional thermal stability, withstanding temperatures up to 260°C without significant degradation. Its UV-resistant properties make it suitable for outdoor applications, where prolonged exposure to sunlight could otherwise cause fading or brittleness. The masterbatch's density ranges between 1.2-1.4 g/cm³, ensuring compatibility with most PC resin systems. It offers excellent dispersion characteristics, preventing speckling or streaking in finished products. The material is insoluble in water and most solvents, contributing to its durability in harsh environments.
Main Applications
The automotive industry relies on PC Black Masterbatch for components like headlamp housings, interior trim, and sensor casings, where both aesthetics and performance are critical. In electronics, it is used for smartphone cases, laptop housings, and connector parts due to its electrical insulation properties. Optical applications include tinted lenses and light-diffusing panels, where consistent coloration and light transmission control are essential. Consumer goods such as kitchenware, toys, and cosmetic packaging also benefit from the material's safety and scratch resistance.
Safety and Storage
While PC Black Masterbatch is generally non-toxic, processing at high temperatures may release fumes, necessitating adequate ventilation. Workers should use standard personal protective equipment (PPE), including gloves and safety glasses, during handling. Storage recommendations include keeping the product in sealed containers at temperatures below 30°C and relative humidity under 60%. Prolonged exposure to moisture can affect dispersion performance, so resealing opened bags promptly is advised.
B2B Procurement Guide
When procuring PC Black Masterbatch, buyers should confirm technical compatibility with their specific PC resin grade. Requesting samples for trial runs is recommended to assess color match and processing behavior. Key supplier qualifications include ISO 9001 certification and compliance with RoHS/REACH regulations. Pricing typically scales with order volume, with bulk purchases (e.g., 1-ton pallets) offering cost advantages. Lead times vary but generally range from 2-6 weeks, depending on customization requirements. Establish clear specifications for pigment concentration (usually 20-40%) and carrier resin type to avoid production issues.
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