Calcium Filler Masterbatch
Polymer-compounded calcium carbonate masterbatch granules designed for PP raffia woven bags, PE blown films, blow-molded containers, and injection moldings.
Related Forms & Feedstock:
Product Overview
Calcium filler masterbatch consists of high-purity, surface-treated micronized calcium carbonate (\(CaCO_3\)) compounded with virgin polyolefin carriers (PP or PE) and processing aids in twin-screw extruders.
The surface coating of the mineral particles ensures homogeneous organophilic dispersion in host polymers without phase separation or screen clogging. Adding filler masterbatch improves product rigidity, accelerates cooling rates for shorter cycle times, and reduces production costs.
Technical Specifications
| Product Type | Calcium Carbonate Filler Masterbatch |
|---|---|
| Carrier Resin | Polypropylene (PP) or Polyethylene (PE) options |
| Pellet Appearance | Uniform white cylindrical / spherical granules |
| Melt Flow Index (MFI) | Available on request per target extrusion/molding grade |
| Moisture Content | Controlled low moisture (< 0.2% on dispatch) |
| Packaging | 25 kg moisture-barrier HDPE/paper bags |
| Dispatch Unit | Dispatched from processing centers in Rajasthan & Gujarat |
| Batch Documentation | MFI, ash content, and density test reports provided per lot |
* Exact mineral loading percentages and MFI figures are formulated according to customer equipment and end-product specifications.
Typical Industrial Applications
- PP Woven Sacks & FIBC: Modifies tape tenacity, prevents fibrillating slippage, and stabilizes weaving in circular looms. (Learn more)
- PE Blown Films: Improves bubble stability, barrier stiffness, and surface printability on packaging films.
- Blow Molding: Enhances wall thickness uniformity and stackability in bottles, jerry cans, and drums.
- Injection Molded Articles: Shortens cycle times by increasing thermal conductivity in household articles and crates.
- Thermoforming Sheets: Reduces heat sag and shrinkage in vacuum-formed plastic containers and trays.
Packaging & Handling
Supplied in 25 kg moisture-barrier laminated bags to prevent ambient moisture uptake during storage. Dispatched in truckload quantities with palletized shrink-wrapping options for clean warehouse racking.