Masterbatch Knowledge
White, black, colour, filler, and additive masterbatches — how to specify, compare, and troubleshoot.
21 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.
Antioxidants for Plastics: Industrial Ecosystem
They protect polymers from thermal-oxidative degradation during processing (primary — hindered phenolics, restricted amines) and during long-term service (secondary — phosphites, thioesters). Without them, melt viscosity drops, colour drifts and mechanical…
Antioxidant Masterbatch
Antioxidant packages (primary, secondary, and combined) delivered as masterbatch on PE, PP or PET carriers, sized for extrusion, injection, and recycled-content compounding.
PET Toughener: Industrial Ecosystem
It raises the impact resistance and reduces brittleness of PET — whether virgin or recycled — so that PET parts, sheet, and strapping survive real-world drop, flex and cold-temperature loading.
PET Toughener Masterbatch
PET toughener systems delivered as masterbatch, targeted at rPET-heavy sheet, thermoforming, injection and strapping lines.
PP Impact Modifier: Industrial Ecosystem
It raises the impact resistance of PP — especially at low temperature — without collapsing stiffness or HDT. It converts brittle PP failure modes (edge crack, cold drop) into ductile ones.
PP Impact Modifier Masterbatch
PP impact modifier systems delivered as masterbatch, tuned for cold-impact injection parts, filled PP compounds, and appliance/automotive-adjacent applications.
Choosing a Talc Grade: What Actually Changes the Outcome
Which talc grade to specify — given polymer, process, and the single property they most need to move.
Talc: Industrial Ecosystem
Talc is a platelet-shaped magnesium silicate used to raise stiffness, dimensional stability and heat resistance in polyolefins, and to reduce cost or improve surface in specific PVC and coatings systems. It is chosen for what its platelet geometry does in…
Talc-Filled Masterbatch & Talc for Industrial Use
Talc as an industrial mineral and as talc-filled masterbatch / compound blends, targeted at PP injection, sheet, and compounding lines. Grade selection is driven by application, not by list.
Comparison Articles
Option A against option B, with the trade-offs stated plainly.
Bio-Based vs Biodegradable Masterbatch — Which Certificate Actually Applies
"Bio-based" and "biodegradable" answer two different questions and are certified by two different families of documents. Bio-based describes where the carbon came from and is evidenced by a bio-based carbon content result. Biodegradable or compostable…
White Masterbatch vs Direct Titanium Dioxide Addition
Whether to dose TiO₂ into the process as a pre-dispersed white masterbatch or as direct TiO₂ powder into the extruder / compounder.
Desiccant Masterbatch vs Resin Drying
Whether to remove moisture defects by drying the resin (dehumidified dryer) or by adding a desiccant masterbatch that chemically binds residual moisture in the melt.
Calcium Carbonate vs Talc
Which mineral filler to specify for cost reduction, stiffness, or dimensional performance in a polyolefin or PVC formulation.
Rutile vs Anatase TiO₂
Which TiO₂ crystal form to specify for a given end-use, weathering exposure and processing temperature.
Virgin vs Recycled Carrier in Masterbatch
Whether to accept a masterbatch built on a recycled polymer carrier or to require a virgin carrier, given cost, regulatory and quality constraints.
PP Masterbatch vs PE Masterbatch
Whether to specify a masterbatch on a PP carrier or a PE carrier for a given end-polymer, process and property target.
Color Masterbatch vs Pre-coloured Compound
Whether to buy colour as a masterbatch (dosed at the machine) or as a pre-coloured compound (ready-to-run pellets).
Additive Masterbatch vs Process Optimisation
Whether a recurring defect or performance gap should be solved by adding an additive masterbatch (slip, anti-block, anti-static, UV, processing aid, etc.) or by optimising the process (temperature profile, screw design, cooling, die geometry, drying).
Primary vs Secondary Antioxidants, and When Both
Whether to run a primary AO alone, a secondary AO alone, or a balanced primary + secondary system — and at what loading.
PET Toughener vs IV Modifier vs Process Fix
Whether PET brittleness or drop failure should be solved with a toughener, an IV modifier / chain extender, or a process/drying fix.
Impact Modifier vs Grade Change vs Filler Reduction
Whether to solve PP brittleness by adding an impact modifier, switching the base PP grade (homo → copo), or reducing filler loading.
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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