Industrial Minerals
Plastics & Masterbatch
Fillers that add stiffness and heat resistance at a lower cost per kilo than resin.
The problem
Resin is the cost. Filler is how you take cost out without giving away stiffness, heat resistance or surface finish — and without wearing out the screws or putting moisture into the melt.
What we supply
Talc for stiffness and heat deflection, calcium carbonate for cost at high loading, wollastonite where you need genuine reinforcement, mica where warp is the enemy. Coated grades where the polymer is non-polar, surface-treated grades where it is not.
Choosing a grade
| What you are solving | What we would quote | Why |
|---|---|---|
| PP stiffening, automotive | Talc XT-800 / XT-1250 | Raises modulus and HDT together |
| Filler masterbatch 70–80 % | Calcite XC-C800 coated | Disperses in polyolefin without moisture |
| PA66 reinforcement | Wollastonite XW-Surface | Silane-treated for polar resins |
| Warp control in moulding | Mica XM-D325 | Flakes resist differential shrinkage |
| Density and sound deadening | Barytes XR-Micro | Specific gravity above 4.3 |
| Film antiblock and economy | Talc XT-1250 | Fine top cut protects film clarity |
These are starting points, not prescriptions. Send your current material's data sheet and we will match it properly rather than guessing from a mesh number.
Minerals for plastics & masterbatch
4 of the minerals we supply end up in this industry. Here is what each one is actually doing once it is in the mix.
- Talc — Polypropylene stiffening, heat deflection and dimensional stability; 10–40 % loading.
- Calcite / Ground Calcium Carbonate — Filler masterbatch at 70–80 % loading; coated grades for polyolefins.
- Wollastonite — Reinforcement in polyamide, polypropylene and thermosets.
- Mica Powder — Stiffness, reduced warp and improved dimensional stability.
Talc
Soft, platy magnesium silicate. The workhorse extender in paint, plastics, paper and rubber.
Calcite / Ground Calcium Carbonate
High-brightness GCC. The cheapest way to add volume without losing whiteness.
Wollastonite
Acicular calcium metasilicate. Reinforcement without asbestos, in plastics and ceramics.
Mica Powder
Wet- and dry-ground muscovite. Crack resistance, barrier and sheen in coatings.
Every one of these has its own page with the grade ladder, the typical chemistry and the physical properties. If you already know the mineral and need the numbers, go straight there.
What we will ask you
- Resin and the grade
- Target loading and the property you must not lose
- Whether you need coated or treated material
- Monthly tonnage and delivery ZIP
Four answers are enough for a quote and a sample. We do not need a meeting first.
What you get back
- A delivered price per tonne or per pound to your ZIP code, not an FOB India number you have to convert
- A free sample of the grade we recommend, shipped from the United States
- The typical analysis and, with the sample, the actual mill test certificate for that lot
- A safety data sheet in US format before the material arrives
- A lead time you can plan a production run around
Working in plastics & masterbatch?
Tell us the application and the tonnage. Quote and free sample back within one business day.