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Injection Molding Drawing Grade Masterbatch

Updated: 2026-07-19

Overview

Injection molding masterbatch for fiber drawing is a concentrated mixture of pigments, additives, and carrier resins designed to enhance the properties of plastic fibers. It is widely used in the production of polypropylene (PP) and polyethylene (PE) fibers, which are essential for textiles, ropes, and industrial applications. This masterbatch ensures uniform dispersion of additives, improving the fiber's tensile strength, flexibility, and thermal stability. It is compatible with standard injection molding and extrusion processes, making it a versatile choice for manufacturers.

Physical and Chemical Properties

The masterbatch typically appears as small granules or pellets, available in various colors or as a white base. It has a density of approximately 0.9-1.1 g/cm³ and a melting point around 160-170°C for polypropylene-based formulations. Key chemical properties include high thermal stability and excellent dispersion within the polymer matrix. The masterbatch is insoluble in water but may dissolve in certain organic solvents under controlled conditions. Its non-toxic nature makes it safe for handling, though precautions should be taken to avoid dust inhalation.

Main Applications

This masterbatch is primarily used in the production of synthetic fibers for textiles, including clothing, upholstery, and carpets. It is also essential for manufacturing industrial yarns and ropes, where high tensile strength and durability are required. Another significant application is in non-woven fabrics, which are used in medical, automotive, and hygiene products. The masterbatch enhances the fabric's mechanical properties, ensuring it meets industry standards for performance and safety.

Safety and Storage

Proper storage is critical to maintain the masterbatch's quality. It should be kept in a cool, dry place, away from direct sunlight and moisture. Exposure to high humidity can lead to clumping or degradation of the additives. Safety precautions include using gloves and masks to avoid direct contact or inhalation of dust. While the masterbatch is non-toxic, prolonged exposure may cause mild irritation. Ensure adequate ventilation in the workspace to minimize risks.

B2B Procurement Guide

When procuring injection molding masterbatch for fiber drawing, consider the compatibility with your base polymer. Verify the supplier's certifications and quality control processes to ensure consistent performance. Request samples for testing before large-scale purchases. Check for additives like UV stabilizers or antistatic agents if required for your application. Prices typically range from $1.5 to $3.0 per kg, but bulk orders may qualify for discounts.

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