This ultra-fine precipitated barium sulfate is processed with organosilane surface modification. The treated surface achieves strong interfacial bonding with organic resin matrix. It supports premium high-gloss surface performance, enhances material rigidity, and reduces equipment wear during high-temperature plastic extrusion and high-speed coating dispersion processes, serving as a reliable functional filler for high-end coating and engineering plastic applications.

Product Detail

Product Detail PageSilane-Coated Ultra-Fine Precipitated Barium Sulfate, CAS 7727-43-7

Product Features

Organosilane surface coating improves wetting and uniform dispersion in solvent-based, waterborne and thermoplastic resin systems
Narrow, controlled ultra-fine particle size distribution delivers mirror-level high-gloss appearance without surface defects
≥98% high barium sulfate purity, low soluble salt content for long-term coating film stability
Inherent chemical inertness, excellent UV and weather resistance for outdoor durable coating formulations
Low Mohs hardness minimizes abrasion to extrusion screws, coating dispersion equipment and spray nozzles
Improves part rigidity, dimensional stability and shrinkage control for filled engineering plastic components

Technical SpecificationsChemical Type: Silane-modified high-purity precipitated barium sulfate CAS Number: 7727-43-7 Surface Treatment: Organosilane coupling agent Main Component Content: ≥98% BaSO4 Median Particle Size: Refer to official TDS Oil Absorption Value: Refer to official TDS Moisture Content: Refer to official TDS

Applications

Premium high-gloss industrial topcoat, waterborne & solvent-based decorative coating, outdoor weather-resistant powder coating
Automotive OEM and refinish clear coat, high-gloss paint system additive
Modified engineering plastic compounds: PA6/66, PBT, PET, PC/ABS glossy injection-molded parts
High-gloss filler masterbatch, transparent decorative plastic product formulation

Handling & StorageStore in cool, dry, sealed warehouse, isolated from moisture contamination. Reseal packaging immediately after opening. Wear dust-proof protective mask and gloves during bulk material handling and feeding.

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Ultra-Fine Silane-Coated Precipitated Barium Sulfate CAS 7727-43-7 High-Gloss Coating Engineering Plastic Filler

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Jishengya Technology

Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.