Wollastonite Multidimensional Solutions – Unlocking Performance Frontiers BY:Danny
Strategic Core Product | Scientifically Validated Dosage Systems
As our flagship functional additive, wollastonite redefines material engineering across industries through its crystalline superiority. Explore our engineered solutions:
▍Precision-Grade Product Matrix
High Aspect Ratio Wollastonite (Recommended dosage: 15-40% w/w)
Morphology: Acicular crystals (Aspect ratio >15:1)
Performance Benefits:
✓ +30% Flexural strength enhancement
✓ 20℃ HDT improvement in polymers
✓ Optimal dimensional stability (CTE reduction 18-22%)
Prime Applications:
• Engineering plastics/rubber reinforcement (25%+ loading)
• Rheology-controlled coatings (15-20% loading)
• Friction materials (30-40% loading)
Ultrafine Millgrade Wollastonite (Recommended dosage: 8-25% w/w)
Particle Engineering: D50=2-15μm (customizable)
Process Advantages:
✓ 15% Lower ceramic sintering temperature
✓ 40% Improved melt flow index in metallurgy
Targeted Applications:
• Technical ceramics (18-25% loading)
• Fluxing agents (8-12% loading)
▍Rubber Industry Success Model
Dosage-Optimized Replacement Strategy:
TiO₂ substitution: 30-50% (whiteness retention >90%)
CaCO₃ replacement: 60-80%
Cost efficiency: 12-18% reduction (tire compound case study)
Technical Protocol:
① Surface modification: KH-550 silane coupling system
② Bimodal distribution: 3μm+15μm hybrid (40% dispersion improvement)
③ Dynamic vulcanization: 95%+ tensile strength retention
2. Used for ceramic raw materials
Wollastonite can be used to prepare various electromagnetic ceramics, architectural ceramics, and daily-use ceramics. The quality requirements for its wollastonite are: SiO238%～58%，CaO36%～55%，CO2≤6%，Fe2O3≤1.7%。 Ceramic raw materials account for approximately 40% to 45% of the world's total consumption of wollastonite. Wollastonite can densify ceramic structures, improve mechanical strength, reduce wet expansion coefficient, enhance green body strength and molding quality, lower firing temperature, shorten firing cycle, and achieve the goal of energy conservation and efficiency improvement. Using wollastonite as raw material for architectural ceramics can reduce the firing temperature by 200 ℃ (from 1280 ℃ to 1080 ℃) and shorten the firing cycle from 58h to 24h. In the glaze industry, using wollastonite as raw material in glazed tiles can achieve low-temperature and rapid firing, with a fuel saving of up to 30% for simple firing; Moreover, it can enhance the whiteness of the glaze, improve its flowability, and reduce the number of punctures in the product. Wollastonite can improve the thermal shock resistance of the green body and generate calcium feldspar (melting point 1550 ℃) through solid-state reaction, which can achieve low-temperature rapid sintering. Microscopic wollastonite chains enhance the bonding between glass phase particles, enabling products to withstand special mechanical processes such as sawing and drilling. Additionally, they provide a low loss insulating crystalline phase that can be used as electrical and electronic ceramics.
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