Overview
Acid-resistant color masterbatch is a high-performance pigment concentrate engineered for plastics exposed to acidic environments. It combines colorants with carrier resins and additives to ensure uniform dispersion and chemical stability. This product is essential in industries where plastic components face corrosive substances, such as chemical processing, wastewater treatment, and laboratory applications. It eliminates the need for post-coloring processes while maintaining material integrity.
Physical and Chemical Properties
The masterbatch typically appears as small granules or pellets, with color depending on the specific pigment used. Its density ranges between 1.1-1.4 g/cm³, slightly higher than standard plastics due to pigment loading. Key chemical properties include exceptional resistance to mineral acids (HCl, H2SO4) and many organic acids. The formulation maintains stability at processing temperatures up to 300°C, making it suitable for injection molding and extrusion applications.
Main Applications
Primary use is in manufacturing chemical storage containers and transport vessels where acid resistance is critical. It's also widely applied in industrial piping systems for acid conveyance and laboratory equipment components. The masterbatch finds growing adoption in protective packaging for acidic products and corrosion-resistant films. Some specialized grades are developed for food processing equipment that requires both acid resistance and food contact compliance.
Safety and Storage
While generally safe when processed properly, precautions should be taken to avoid dust generation during handling. Adequate ventilation is recommended in processing areas. Storage requires protection from moisture and extreme temperatures. Optimal conditions are below 30°C with relative humidity under 60%. Unopened packaging typically has a shelf life of 12-18 months when stored correctly.
B2B Procurement Guide
When sourcing acid-resistant masterbatch, verify the specific acid resistance levels through technical datasheets. Key parameters include maximum acid concentration and temperature thresholds. Ensure compatibility testing with your base resin is conducted. Reputable suppliers should provide batch-to-batch consistency guarantees and relevant industry certifications. For reference, minimum order quantities typically range from 500kg to 1 ton for standard colors.
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