Overview
Black plastic masterbatch is a pre-dispersed formulation of carbon black or other pigments in a polymer matrix, designed to simplify coloring during plastic manufacturing. It ensures consistent hue and reduces processing time compared to raw pigments. Masterbatches typically contain 20–50% pigment concentration, with polyethylene (PE) or polypropylene (PP) as common carriers. They are favored in extrusion, injection molding, and blow molding for their ease of use and cost-effectiveness.
Physical and Chemical Properties
The masterbatch exhibits excellent thermal stability, withstanding processing temperatures up to 200°C for most carriers. Its opacity and UV resistance stem from carbon black’s light-absorbing properties, making it ideal for outdoor applications. Density varies slightly based on the carrier resin but generally aligns with standard thermoplastics. The granules are free-flowing, ensuring uniform mixing with base polymers without dust generation.
Main Applications
Primary uses include black trash bags, automotive dashboards, and corrosion-resistant pipes. In packaging, it provides an economical alternative to post-coloring while meeting opacity requirements. Electronics housings and agricultural films also utilize black masterbatch for its UV protection. Specialty grades may include additives like antistatic agents for niche industrial uses.
Safety and Storage
While non-hazardous, masterbatches should be stored away from moisture to prevent clumping. Use standard polymer-handling PPE (gloves, masks) during processing to minimize exposure to fine particles. Regulatory compliance depends on end-use; food-contact applications require FDA or EU 10/2011 certification. Suppliers typically provide Material Safety Data Sheets (MSDS) for specific formulations.
B2B Procurement Guide
Buyers should specify carrier resin compatibility (e.g., LDPE for films), pigment concentration (e.g., 30% for deep black), and regulatory needs. Request samples to test dispersion and final product performance. Bulk purchases (500+ kg) often reduce costs by 10–15%. Verify supplier quality control measures, such as sieve analysis for granule uniformity and batch-to-batch consistency.
Related Manufacturers
- 主营：abs塑料、耳标tpu、拉丝eva、pla塑胶、abs母料、abs塑胶、黑色母、塑胶pmma、通用abs、兰色母、abs母粒、色母粒、abs防锈、abs注塑、吹膜abs、led灯罩、注塑蓝、塑料配、abs天蓝、背心袋、eps注塑、pet磨砂、pe吹膜pp、通用pppe、pppe薄膜
- 主营：喷涂机器人、冲压机器人、上下料机器人、机器人抓包破袋、搬运机器人、喷漆机器人、车床机械手、喷粉机器人、工业机器人、冲床机械手、机器臂
- 主营：环保abs、黄色粉、蓝色pet、pla塑胶、abs母料、色颜料、拉丝eva、绿色tpu、荧光粉、绿颜料、pet珠光、pet吹瓶、蜡色粉、塑料abs、兰色母、蓝色tpu、专用pvc、tpu无卤、无纺布、色纺纱、abs注塑、tpu增韧、pet高光、发泡eva、半成品