Industry Sector

Functional Fillers

For applications requiring specific performance characteristics, our functional fillers deliver value through controlled rheology, thermal stability, barrier properties, and optical effects.

Overview

Functional fillers go beyond simple cost reduction. They are selected for the measurable performance they bring to a formulation. ROCC Global sources advanced mineral and synthetic fillers for coatings, cosmetics, composites, and engineered plastics. Whether the requirement is for nano-scale calcium carbonates, synthetic mica, or high-strength glass microspheres, we identify the right grade from the right source and manage delivery to your production schedule.

Materials

Commonly Sourced Materials

Fluorphlogopite Synthetic Mica
Functional Filler Synthetic Mica Pigment Substrate

Fluorphlogopite Synthetic Mica

High-purity synthetic fluorine mica with thermal stability above 1000°C, used as a pearlescent pigment substrate and high-temperature insulator.

Heavy metals below 10 ppm
Thermal stability exceeds 1000°C
Cosmetic, industrial, and electronic grades
Sericite
Functional Filler Mica Barrier Additive

Sericite

Fine-grained muscovite mica with aspect ratio 20 to 80, used for barrier performance in coatings and soft-focus effects in cosmetics.

Aspect ratio 20 to 80
Barrier performance in anti-corrosion coatings
Silky texture for cosmetic formulations
Nano Calcium Carbonates
Functional Filler Nano Rheology Modifier

Nano Calcium Carbonates

Precipitated nano-scale calcium carbonate below 100 nm, providing thixotropy and mechanical reinforcement in sealants, adhesives, and PVC compounds.

Particle size below 100 nanometres
Thixotropic agent in polyurethane sealants
Coated and uncoated grades available
Titanium Dioxide
Functional Filler Pigment Opacity

Titanium Dioxide

Pre-eminent white pigment with refractive index 2.70 for rutile, delivering unmatched opacity and brightness in coatings, plastics, and inks.

Refractive index 2.70 for rutile grade
Chloride and sulphate process grades available
Surface-treated grades matched to application
Hollow Glass Beads
Functional Filler Lightweight Filler Composite

Hollow Glass Beads

Engineered borosilicate microspheres with true density 0.15 to 0.60 g/cm³, used for weight reduction in composites, coatings, and oil well cement.

True density 0.15 to 0.60 g/cm³
Crush strength up to 10,000 psi
Reduces compound density at high loadings
Glass Flakes
Functional Filler Barrier Additive Anti-Corrosion

Glass Flakes

High-aspect-ratio C-glass and E-glass platelets providing a tortuous path barrier in anti-corrosion coatings for marine and industrial infrastructure.

Aspect ratio 50 to 200
Tortuous path barrier against corrosion
C-glass and E-glass grades available
For Suppliers

Join the ROCC Global Supplier Network

We are always looking to expand our network of qualified mineral producers, processors, and logistics partners. If you operate in the industrial minerals space and want access to established buyers across Europe, the Middle East, and beyond, we want to hear from you.

ROCC Global works with suppliers who can demonstrate consistent production capacity, transparent quality control, and reliable logistics capability. We value long-term partnerships built on trust, performance, and mutual commercial benefit.

View Partnership Programme

What We Look For

01

Production Capacity

Demonstrated ability to supply at volume with consistent output quality.

02

Quality Certification

Independent assay capability, COA documentation, and willingness to undergo third-party audits.

03

Logistics Readiness

Established export infrastructure, port access, and experience with international shipping.

04

Commercial Transparency

Clear pricing structures, reliable communication, and openness to long-term contract frameworks.

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