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Highly dispersible precipitated silica with optimized particle size distribution for enhanced reinforcement.
Low abrasion and low heat build-up in rubber compounds, improving tire tread durability and rolling resistance.
Excellent coupling efficiency with silane-treated systems, enabling strong polymer–filler interaction.
Consistent batch-to-batch quality supported by Solvay’s stringent manufacturing controls and traceability.
Designed for high-shear mixing processes without significant agglomeration or viscosity spike.
Passenger car and light truck tire treads requiring fuel efficiency and wet grip balance.
High-performance elastomer compounds for industrial hoses and belts.
Dynamic rubber components such as vibration dampers and engine mounts.
Specialty technical rubber goods demanding low hysteresis and dimensional stability.
| Chemical Type | Precipitated amorphous silica |
| Product Form | Free-flowing powder, palletized or bagged |
| Appearance | White to off-white granular powder |
| BET Surface Area | 175 ± 5 m²/g |
| DBP Absorption | 280 ± 15 mL/100 g |
| Loss on Ignition (105 °C) | ≤ 6.0 % |
| Residue on 45 µm Sieve | ≤ 0.1 % |
| Na₂O Content | ≤ 0.3 % |
Q1: What is the primary function of Solvay ZEOSIL 175MP Pigment in polymer systems?
A: Solvay ZEOSIL 175MP is a high-purity, surface-modified silica-based pigment designed primarily to provide controlled rheology, enhanced dispersion stability, and improved mechanical reinforcement in thermoplastic and elastomeric compounds—without significantly compromising processability or transparency.
Q2: How does ZEOSIL 175MP differ from standard fumed silica or precipitated silica fillers?
A: Unlike conventional silicas, ZEOSIL 175MP features a tailored surface chemistry and narrow particle size distribution optimized for pigment-grade performance—delivering superior color consistency, reduced agglomeration tendency, and more predictable interaction with polymer matrices and organic dispersants.
Q3: Is ZEOSIL 175MP suitable for use in food-contact or medical-grade polymers?
A: While ZEOSIL 175MP is manufactured under strict quality controls and meets typical purity requirements for high-performance industrial applications, its suitability for regulated end-uses such as food contact or medical devices depends on full formulation validation and compliance with applicable regional regulatory frameworks—users should consult Solvay’s regulatory documentation and conduct application-specific testing.
Q4: What are recommended handling and dispersion practices for optimal performance?
A: For best results, pre-mix ZEOSIL 175MP with carrier resins or plasticizers before melt compounding; high-shear mixing is generally recommended to ensure uniform distribution. Avoid prolonged exposure to ambient moisture prior to processing, as surface hydrophilicity may affect dispersion efficiency in non-polar systems.
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