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Induminerals - Acicular Wollastonite
Acicular.png

HIGH-ASPECT WOLLASTONITE FOR STRENGTH & DURABILITY

Reinforcing grade with elongated particle shape for industrial performance.

Ideal for ceramics, composites, polymers, refractories, and friction materials where fiber-like reinforcement is needed.

InduMinerals offers high aspect ratio wollastonite engineered for reinforcement in: – Ceramics – Friction materials – Composites and plastics – Refractories and structural parts Key properties of WH-Aspect grade: – Aspect ratio: 13:1 to 25:1 – Acicular (needle-like) elongated particles – Excellent crack resistance and flexural strength – High thermal stability and dimensional control Ideal for structural and functional applications requiring fiber-like morphology and mechanical reinforcement.

TYPICAL APPLICATIONS & BENEFITS

  • Improves green and fired strength

  • Increases thermal shock resistance

  • Reduces warping, cracking, and sintering stress

  • Used in technical ceramics, sanitaryware, and tiles

  • Reinforces fiber cement, gypsum boards, and lightweight panels

  • Adds structural integrity and thermal stability

  • Enhances resistance to cracking and impact damage

  • Improves green and fired strength

  • Increases thermal shock resistance

  • Reduces warping, cracking, and sintering stress

  • Used in technical ceramics, sanitaryware, and tiles

  • Used as a reinforcing additive in castables, linings, and foundry applications

  • Increases slag resistance and thermal shock performance

  • Maintains stability at extreme temperatures

  • Improves modulus, tensile strength, and dimensional accuracy

  • Reduces warping and shrinkage in filled resins

  • Enhances impact resistance in thermoplastics and thermosets

PACKAGING & STORAGE

TECHNICAL SPECIFICATIONS (TYPICAL)

  • Available in 50 kg bags or jumbo bags

  • Supplied loose bulk or palletized

  • Store in dry, covered conditions to preserve morphology

Available on request: SEM imagery, morphology data, and custom labeling.


Product Code: InduMinerals WH-Aspect

DOWNLOADS

PROPERTY

CaO

SiO₂

Aspect Ratio

D50

D97

Whiteness

Sedimentation Value

pH

Particle Shape

Appearance

VALUE (%)

43–46

48–53

13:1 – 25:1

41 ± 2 μm

200 μm

72–80

50–55 ml / 200 mg

~9.0

Acicular

White to off-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.

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