High Dispersion Masterbatch
Overview
High Dispersion Masterbatch is a pre-dispersed pigment or additive formulation used to color plastics uniformly. It consists of high-concentration pigments or dyes embedded in a carrier resin (e.g., PE, PP, or PS). Compared to direct pigment addition, it offers better dispersion, reduced waste, and improved processing efficiency. This product is widely adopted in industries requiring precise color matching and material performance. Its standardized composition ensures repeatable results, making it a preferred choice for large-scale plastic manufacturing.
Physical and Chemical Properties
The masterbatch appears as small granules or pellets, with colors tailored to end-use requirements. Its density typically ranges between 1.0-1.2 g/cm³, depending on the carrier resin and pigment load. The material is thermally stable at common plastic processing temperatures (120-200°C). Solubility is limited to organic solvents matching the carrier resin. Key advantages include minimal dust generation and resistance to agglomeration, ensuring smooth production workflows. The absence of volatile components enhances workplace safety.
Main Applications
Primary applications include coloring and modifying plastics for packaging films, synthetic fibers, and automotive parts. In injection molding, it ensures streak-free finishes, while in blow molding, it guarantees uniform opacity or transparency. The masterbatch is also used for functional additives (e.g., UV stabilizers or antistatic agents). Industries like food packaging prioritize FDA-compliant formulations, while technical applications may focus on thermal or mechanical property enhancements.
Safety and Storage
High Dispersion Masterbatch is generally non-hazardous but requires standard industrial handling precautions. Dust exposure should be minimized using ventilation or PPE. Storage recommendations include airtight containers in dry environments to prevent moisture absorption. Compatibility with processing equipment must be verified to avoid degradation. Waste disposal should follow local regulations for synthetic polymers. Manufacturers provide Material Safety Data Sheets (MSDS) for specific formulations.
B2B Procurement Guide
Buyers should prioritize suppliers with ISO certification and batch-to-batch consistency guarantees. Key evaluation criteria include dispersion efficiency (tested via microscopic analysis) and compatibility with the base polymer. Sample testing is recommended before bulk orders. Pricing depends on pigment type (organic/inorganic), carrier resin, and order volume. MOQs typically start at 500 kg, with lead times of 2-4 weeks for custom formulations.
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