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Additive masterbatch is a concentrated mixture of additives and polymers that are used to enhance the properties of plastic products. It is typically produced by dispersing additives such as colorants, UV stabilizers, or flame retardants into a polymer carrier, resulting in a granulated product that can be easily mixed with base resins during the manufacturing process. This allows for uniform distribution of the additives throughout the final plastic product.
| Carrier resin | Polyethylene, polypropylene, or polystyrene |
| Additive concentration | Typically 10% to 50% by weight |
| Color options | Wide range of colors available |
| Form | Granules or pellets |
| Processing temperature | Typically 180°C to 250°C |
When selecting an additive masterbatch, consider the specific additives required for your application, such as colorants or performance enhancers. Specify the type of polymer carrier that is compatible with your base resin, as well as the desired concentration of additives. Additionally, inquire about any relevant certifications or compliance with industry standards, especially for applications in food packaging or medical devices. Quantities may vary based on production needs, so it's advisable to request a quote that reflects your expected usage.
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Additive masterbatch includes functional additives, while color masterbatch is primarily focused on pigments for coloration.
Most additive masterbatches are compatible with common thermoplastics, but it's essential to verify compatibility with specific resins.
It is typically blended with the base resin using extrusion or injection molding processes.
It enhances properties such as UV resistance, flame retardancy, and mechanical strength without altering the base resin.
Safety depends on the specific additives used; always consult safety data sheets for handling guidelines.
Shelf life can vary, but it is generally recommended to use it within 1-2 years if stored properly.