SURFACE TREATED01 / CaCO₃
Coated calcium carbonate
Surface-treated calcium carbonate for polymer formulations. Discuss the particle size and coating needs of your process.
MasterbatchPVCPolymers
800–2500 meshEnquire
Our products
Coated & uncoated
micronized calcium carbonate.
Explore our calcium carbonate families, compare their starting points and tell us what your process needs.
A LITTLE HELP FROM SEPI
Your application. A clearer starting point.
Tell me what you make. I’ll help you prepare the next step.
SURFACE TREATEDNATURAL MINERAL02 / CaCO₃
Uncoated calcium carbonate
Micronized calcium carbonate for paints, adhesives and other industrial formulations. Begin with your application requirements.
PaintsAdhesivesIndustrial fillers
800–2500 meshEnquire
FINENESS, EXPLAINED
800 to 2500 mesh.
A clearer micron guide.
Both product families are available across this mesh range. Choose the grade around your formulation.
Approximate size guide
Enquire about this grade ↗Approximate size guide
Enquire about this grade ↗Approximate size guide
Enquire about this grade ↗Approximate size guide
Enquire about this grade ↗Approximate size guide
Enquire about this grade ↗Approximate size guide
Enquire about this grade ↗Approximate commercial comparisons, not measured Sepoz specifications. Mesh conventions vary between suppliers; these figures are not D50 values or guaranteed D97 limits. Ask for the current technical sheet and particle-size distribution. Other mesh requests within 800–2500 can be discussed with our team.
About these approximate micron values
The guide reflects the variation in published supplier tables. Confirm the exact micron specification for your Sepoz grade before ordering. MAD KOOHZAD · SFC
A CLEARER COMPARISON
Coated or uncoated?
Start with the formulation. Final grade suitability should be confirmed with our technical team.
| What to consider | Coated | Uncoated |
|---|---|---|
| Surface | Surface treatment with stearic acid | No applied surface coating |
| Applications to discuss | Masterbatch, PVC and polymer formulations | Paints, adhesives and industrial fillers |
| Selection factors | Particle distribution, coating level, dispersion requirements | Particle distribution, whiteness and formulation requirements |
| Technical specifications | Request the current data sheet for the grade being considered. | |
LET’S FIND YOUR STARTING POINT
What are
you making?
A few details help our team prepare a more useful conversation.
Begin with a coated-material enquiry.
Discuss my applicationShare your carrier resin, target loading and process requirements with our team.
A better material starts with a conversation.
Tell us what you make. Let’s explore the right starting point.
TECHNICAL LIBRARY
Real data. A clearer decision.
Download the current supplied technical documents. TDS values are typical characteristics, not contractual limits or batch certificates.
SPZ-35
Uncoated micronized calcium carbonate
Rev. 01 · 30 Aug 2026
Download PDF ↓View grade details ↗SPZ-35C
Coated calcium carbonate · 0.9% stearic acid
Rev. 01 · 30 Aug 2026
Download PDF ↓View grade details ↗SPZ-C1
Coated calcium carbonate · supplied safety information
Rev. 01 · 17 Aug 2026
Download PDF ↓SPZ-C1 is a separate grade. Its supplied safety sheet carries a note to confirm current jurisdiction-specific GHS, transport and regulatory statements before regulatory release. Ask our team for the documentation required for your destination.
Request batch analysis ↗