Overview
Granulated materials are industrially processed raw materials formed into uniform particles to enhance handling, storage, and production efficiency. They are widely used in sectors like plastics, agriculture, and pharmaceuticals. Produced through extrusion, pelletizing, or grinding, these materials offer advantages such as reduced waste, improved dosing accuracy, and better flow properties compared to powders or irregular chunks.
Physical and Chemical Properties
Granulated materials exhibit consistent particle size (typically 1–5 mm), which ensures uniform melting or dissolution rates in industrial processes. Their density varies by base material, with polymers ranging from 0.5–1.5 g/cm³. Key properties include low dust generation, high bulk density for efficient transport, and stability under standard storage conditions. Some variants may be hygroscopic, requiring sealed packaging.
Main Applications
In plastics manufacturing, granulates serve as feedstock for injection molding and extrusion. The pharmaceutical industry uses them for tablet compression due to their precise dosing capabilities. Agricultural applications include slow-release fertilizers, while construction sectors utilize them as lightweight aggregates. Specialty granules are also employed in 3D printing filaments and adhesives.
Safety and Storage
Most granulated materials are classified as non-hazardous, but material-specific SDS should always be reviewed. Storage requires dry conditions (<50% RH) at 15–25°C to prevent clumping or degradation. Use grounded containers for electrostatic-sensitive materials. PPE such as gloves and dust masks is recommended during handling to minimize particulate exposure.
B2B Procurement Guide
When sourcing granulated materials, prioritize suppliers with ISO-certified production facilities. Key specifications to verify include particle size distribution (e.g., 90% within ±0.2 mm of target), moisture content (<0.5% for polymers), and bulk density. Request certificates of analysis (CoA) for purity and mechanical property testing. For large orders, consider Just-In-Time delivery to minimize storage costs.
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