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High-purity barium carbonate with controlled particle size distribution for consistent dispersion.
Low soluble salt content ensuring enhanced chemical stability in sensitive formulations.
Optimized surface characteristics for improved compatibility with ceramic glazes and glass frits.
Consistent batch-to-batch performance validated through rigorous quality control protocols.
Non-hygroscopic nature supporting reliable handling and long-term storage stability.
Ceramic glazes for tableware and sanitaryware requiring high-gloss, defect-free surfaces.
Glass manufacturing, particularly in borosilicate and specialty optical glass compositions.
Electronics-grade ferrite production where precise BaCO₃ stoichiometry is critical.
Chemical synthesis intermediates for barium-containing functional materials.
High-performance coatings requiring inert, non-reactive filler functionality.
| Chemical Type | Barium carbonate (BaCO₃) |
| Product Form | Fine white powder |
| Appearance | White, free-flowing crystalline powder |
| Primary Applications | Ceramics, glass, ferrites, chemical synthesis |
| Key Features | High purity, low chloride/sulfate, narrow particle size distribution |
| Benefits | Improved glaze clarity, reduced firing defects, enhanced reproducibility |
| Storage Conditions | Store in dry, well-ventilated area; protect from moisture |
| Regulatory Compliance | REACH registered; compliant with EU RoHS Directive (exemptions applicable) |
Q1: What is the primary function of Solvay BARIUM CARBONATE B Pigment in polymer systems?
A: Solvay BARIUM CARBONATE B Pigment serves primarily as a functional filler and acid scavenger in thermoplastic and thermoset polymers, helping to neutralize acidic decomposition products during high-temperature processing and improving thermal stability and long-term color retention.
Q2: Is this grade suitable for use in food-contact or pharmaceutical packaging applications?
A: Solvay BARIUM CARBONATE B Pigment is designed for industrial and technical applications; it is not certified for direct food-contact or pharmaceutical use. Customers requiring regulatory compliance for such applications should consult Solvay’s dedicated food-grade product portfolio and engage with Solvay Technical Service for appropriate alternatives.
Q3: How does Solvay BARIUM CARBONATE B differ from standard barium carbonate powders?
A: Solvay BARIUM CARBONATE B Pigment is specifically engineered for pigmentary and functional performance in polymers — featuring controlled particle size distribution, enhanced surface treatment for improved dispersion, and optimized purity to minimize catalytic side reactions during melt processing.
Q4: What are typical dosage levels when incorporating this pigment into polyolefin compounds?
A: Dosage depends on formulation requirements and target functionality, but it is typically used at low concentrations — generally ranging from 0.1% to 2% by weight — with optimization recommended through lab-scale trials to balance acid scavenging efficiency, dispersion quality, and mechanical properties.
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