White & Desiccant Masterbatch Knowledge
TiO₂-based white masterbatch and desiccant masterbatch — what problem each solves, and when neither is the right tool.
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.
Troubleshooting Guides
A production symptom, its likely causes, and what to change.
Desiccant Masterbatch Explained: Moisture, Bubbles, Recycled PE, Dosage and Storage
A Desiccant Masterbatch is a concentrated dispersion of Calcium Oxide in a polyolefin carrier, added to a base resin to consume residual water inside the melt. Once mixed into the melt at extrusion or injection temperature, the CaO reacts with residual…
Desiccant Masterbatch Dosing — When It Fixes Bubbles and When It Hides a Drying Problem
A desiccant masterbatch converts trace moisture in the melt into calcium hydroxide so the water never becomes vapour in the die. It is a genuine fix for the residual moisture carried by recycled polyolefins and mineral fillers. It is not a substitute for…
Which Masterbatch Solves the Problem I Actually Have? White vs Desiccant — The Diagnostic Hub
White Masterbatch and Desiccant Masterbatch sit next to each other in most masterbatch catalogs, but they solve fundamentally different engineering problems. White Masterbatch — a Titanium Dioxide-based system carried in a compatible polyolefin — addresses…
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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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