

ULTRAFINE WOLLASTONITE FOR HIGH-TECH APPLICATIONS
High aspect ratio. Submicron performance. Advanced functionality.
Engineered for ceramics, coatings, polymers, and friction materials where ultrafine reinforcement is critical.
InduMinerals offers a premium ultrafine wollastonite with: – D50 90 – Aspect ratio > 25:1 Designed for: – Advanced ceramics – High-end coatings and paints – Friction materials (e.g., brakes, clutches) – High-performance polymer composites Key benefits: – Exceptional dispersion at low loading levels – Enhanced surface activity and reinforcement – Crack resistance and thermal shock performance – Ideal for fiber-like reinforcement in sensitive formulations
TYPICAL APPLICATIONS & BENEFITS
-
Reinforces fine ceramics, porcelain, and advanced bodies
-
Improves thermal shock resistance and green body strength
-
Allows lower firing temperatures with high whiteness
-
Ideal for high-end tiles, sanitaryware, and insulators
-
Suitable for engineering plastics, filled thermoplastics, and composite compounds
-
Enhances modulus, dimensional control, and surface finish
-
Fiber length and ultrafine size enable high surface reinforcement
-
Used in premium brake systems, clutches, and composite pads
-
Provides even fiber dispersion and abrasion resistance
-
Reduces noise, improves pad stability under heat cycles
-
Functions as a functional extender and matting agent
-
Improves film hardness, anti-crack performance, and chemical resistance
-
Low oil absorption, excellent for low-VOC and high-solid systems
PACKAGING & STORAGE
-
Supplied in 25 kg multi-layer bags or high-purity bulk bags
-
Product is moisture-controlled, available in palletized or sealed units
COAs, detailed morphology (SEM), and custom packaging available upon request.
Product Code: InduMinerals UFA-Aspect
DOWNLOADS
TECHNICAL SPECIFICATIONS (TYPICAL)
PROPERTY
CaO
SiO₂
Aspect Ratio
D50
D97
Whiteness
Sedimentation Value
pH
Particle Shape
Appearance
VALUE (%)
44–46
49–52
>25:1
<10 μm
<40 μm
>90
≥60 ml / 200 mg
~9.0
Ultrafine acicular
Bright white powder
YOUR INDUSTRIAL MINERAL PARTNER
InduMinerals OÜ supplies high-purity wollastonite and dolomite for ceramics, coatings, plastics, metallurgy and construction. We offer reliable CIF and FOB delivery with full technical support. A partner of the European Raw Materials Alliance (ERMA), promoting secure mineral supply in Europe.