

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
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Reinforces fiber cement, gypsum boards, and lightweight panels
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Adds structural integrity and thermal stability
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Enhances resistance to cracking and impact damage
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Improves green and fired strength
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Increases thermal shock resistance
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Reduces warping, cracking, and sintering stress
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Used in technical ceramics, sanitaryware, and tiles
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Used as a reinforcing additive in castables, linings, and foundry applications
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Increases slag resistance and thermal shock performance
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Maintains stability at extreme temperatures
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Improves modulus, tensile strength, and dimensional accuracy
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Reduces warping and shrinkage in filled resins
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Enhances impact resistance in thermoplastics and thermosets
PACKAGING & STORAGE
TECHNICAL SPECIFICATIONS (TYPICAL)
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Available in 50 kg bags or jumbo bags
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Supplied loose bulk or palletized
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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.