Overview
High oil-resistant masterbatch is a concentrated additive blend designed to impart superior resistance to oils, greases, and hydrocarbon-based substances in plastic products. It is typically compounded with base polymers like polyethylene (PE) or polypropylene (PP) during extrusion or injection molding processes. This specialized additive addresses a critical need in industries where plastic components face prolonged exposure to lubricants, fuels, or food oils. The masterbatch formulation often contains fluoropolymers or specially modified polymers that create a barrier effect at the plastic surface.
Physical and Chemical Properties
The masterbatch appears as uniform granules or pellets, with color varying from white to light beige depending on the specific formulation. Its density slightly exceeds that of common polyolefins due to the additive loading, typically ranging between 1.1-1.3 g/cm³. Thermal stability is a crucial characteristic, with most formulations maintaining effectiveness up to 200-220°C during processing. The additive components are chemically inert, ensuring they don't react with the base polymer or degrade under normal processing conditions. Compatibility with common thermoplastics allows for straightforward incorporation at 2-5% loading rates.
Main Applications
In automotive manufacturing, this masterbatch is essential for components like fuel tank components, under-hood parts, and lubricant containers where resistance to motor oils and fuels is critical. Food packaging applications include containers for oily foods, disposable tableware, and flexible packaging films. The industrial sector utilizes oil-resistant masterbatch for manufacturing chemical containers, machinery housings, and conveyor components exposed to lubricants. Consumer goods applications include kitchenware, tool handles, and outdoor equipment where grease resistance prolongs product life and maintains appearance.
Safety and Storage
While generally safe when properly processed, the masterbatch should be handled with standard plastic processing precautions. Adequate ventilation is recommended during high-temperature processing to prevent inhalation of any volatiles. Workers should use basic PPE including dust masks when handling bulk quantities. Storage requires protection from moisture absorption and contamination. Original packaging should be resealed after use, and containers stored in cool, dry conditions. Shelf life typically exceeds 12 months when stored properly, though technical datasheets should be consulted for specific product recommendations.
B2B Procurement Guide
When sourcing high oil-resistant masterbatch, buyers should first confirm the additive's compatibility with their base resin system. Technical datasheets should specify recommended processing parameters and verify performance claims through standardized testing methods like ASTM F119 or DIN 53428. Procurement professionals should evaluate suppliers based on batch-to-batch consistency, technical support capabilities, and ability to provide customized formulations. Sample testing under actual production conditions is strongly recommended before large orders. Minimum order quantities typically range from 500-1000kg for standard formulations.
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