Mineral Fillers, Pigments & Reinforcement Knowledge
Calcium carbonate, talc, titanium dioxide, ATH and coating minerals — powder versus masterbatch, particle size, surface treatment and the stiffness-impact trade.
5 articles across five guide types.
Explore all Polymer & Plastics KnowledgeExplore by question
Foundation, application, comparison, buying and troubleshooting guidance for this family.
Foundation Articles
What the material is, and what it actually does.
Comparison Articles
Option A against option B, with the trade-offs stated plainly.
Troubleshooting Guides
A production symptom, its likely causes, and what to change.
Foundation Articles
What the material is, and what it actually does.
Comparison Articles
Option A against option B, with the trade-offs stated plainly.
ATH or Magnesium Hydroxide — Choosing a Halogen-Free Mineral Flame Retardant
Processing temperature decides. Aluminium trihydrate releases its water at around 200–220 °C, so it works in PVC, polyolefin cable compounds, EVA and thermoset composites processed below that. Magnesium hydroxide decomposes at around 300–330 °C, so it is…
Coated or Uncoated Talc for Plastics — Which One Your Line Actually Needs
Uncoated talc is the default and is the right buy for most dry-blended, well-mixed polypropylene compounds. A coated talc is worth paying for when you are fighting one of four specific problems: poor feeding and dusting at the hopper, high torque or…
Mineral Powder or Filler Masterbatch — Which Form Should You Actually Buy?
Buy neat mineral powder if you run a compounding line: a twin-screw extruder, gravimetric powder dosing, dust extraction and someone who owns the formulation. Buy a filler masterbatch if you feed an extruder or moulding machine directly: the mineral is…
Troubleshooting Guides
A production symptom, its likely causes, and what to change.
More across Polymer & Plastics
Answers in the same category, written for adjacent decisions.
Anti-block / Slip Masterbatch — Film Blocking Together or Feeding Poorly
Freshly wound film sticks to itself, or converted bags do not open or feed through packaging machines.
Anti-fog Masterbatch — Fog or Water Droplets Inside Greenhouse or Food Packaging Film
Water condenses as droplets inside greenhouse film (blocking light) or food packaging film (blurring product view and dripping onto food).
Anti-static Masterbatch — Static Electricity on Plastic Film or Parts
Plastic parts or film hold a static charge — attracting dust, sticking, or creating ESD risk in electronics packaging.
Desiccant Masterbatch — Bubbles, Streaks, or Splay When Processing Regrind or Wet Resin
Regrind or hygroscopic-contaminated resin produces bubbles, silver streaks, or splay marks in the finished part, and drying is not practical or sufficient.
Flame Retardant Masterbatch — Plastic Burns or Fails a Flame Rating
A plastic part must pass a flame-rating standard (e.g., UL 94 V-0, glow-wire, FMVSS 302) and the base resin fails.
Laser-Marking Masterbatch — Cannot Laser-Mark on Dark or Colored Plastic
A part needs a permanent, high-contrast laser mark (barcode, batch code, logo) and the base resin does not respond — the mark is faint, blurred, or invisible.
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