| Customization: | Available |
|---|---|
| CAS No.: | 112945-52-5 |
| Formula: | Sio2 |
|
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HDK® V15 Pyrogenic Silica is a high-purity, synthetic, hydrophilic, amorphous silica produced through advanced flame hydrolysis. This versatile white colloidal powder is a must-have for industrial applications, offering exceptional thickening, thixotropic, and reinforcing properties. Whether you need enhanced performance in silicone sealants or elastomers, HDK® V15 delivers reliable and stable results.
HDK® V15 is an innovative, high-performance silica powder designed for industrial-grade applications.
Manufactured by WACKER, a globally trusted chemical supplier, this product ensures superior quality, consistency, and effectiveness.
√ White colloidal powder - Ultra-fine, high-purity amorphous silica
√ Hydrophilic nature - Excellent compatibility with various industrial formulations
√ Exceptional thickening & thixotropic properties - Ideal for silicone sealants
√ Strong reinforcing filler - Enhances mechanical properties of elastomers (especially silicone rubber)
√ Stable & reliable performance - Ensures consistent results in production
Provides optimal viscosity control
Prevents sagging in vertical applications
Ensures smooth application & superior adhesion
Boosts tensile strength & durability
Improves tear resistance & elasticity
Enhances thermal & chemical stability
√ Use high-shear mixing equipment for uniform distribution
√ Pre-disperse in liquid components before adding other ingredients
√ Avoid excessive air entrapment to prevent foam formation
√ Proven industrial-grade quality
√ Manufactured by WACKER - a leading global supplier
√ Enhances product performance & longevity
√ Consistent particle size & purity
| Typical general characteristics | Inspection Method | Value |
| SiO2 content (based on the substance heated at 1000 °C for 2 h) | DIN EN ISO 3262-19 | > 99,8 % |
| Loss of weight at 1000 °C / 2h (based on the substance dried at 105 °C for 2 h) |
DIN EN ISO 3262-19 | < 2 % |
| Density at 20 °C (SiO2) | DIN 51757 | approx. 2,2 g/cm³ |
| Refraction index at 20 °C | 1,46 | |
| Silanol group density | 2 SiOH/nm2 |
| Physical-chemical properties | Inspection Method | Value |
| BET surface | DIN ISO 9277 DIN 66132 |
130 - 170 m2/g |
| pH-Value (in 4 % aqueous dispersion) | DIN EN ISO 787-9 | 3,8 - 4,3 |
| Tamped density | DIN EN ISO 787-11 | approx. 50 g/l |
| Loss on drying , ex works (2 h at 105 °C) | DIN EN ISO 787-2 | < 1,0 % |
| Sieve residue , acc. to Mocker > 40 µm | DIN EN ISO 787-18 | < 0,03 % |
HDK® V15 Pyrogenic Silica is an essential industrial additive for sealants, elastomers, and specialty chemicals. With its exceptional thickening, reinforcing, and stabilizing properties, it ensures high-performance results in demanding applications.
Shanghai Youjiatuo Chemical Co., Ltd
A wholly-owned subsidiary of Japan's Aixiu Co., Ltd., is headquartered in Osaka, Japan.
We are dedicated to the research and development of specialty chemicals and committed to serving global customers with high-quality products and excellent services, while also building a safe and healthy environment for our employees and the community.
Our company provides products and solutions to customers in every corner of the globe, serving various key industries such as infrastructure, transportation, environmental, and consumer goods industries.
Currently, we offer high-performance solutions that address our customers' challenges and are continuously improving them to meet future demands.
Main Products:
Carbon Black
Involves 4 major fields: Rubber & Plastic; Ink; Coating; Sealant
Additives:
• Defoaming Agent
• Rheology Modifier
• Substrate Wetting Agent
• Wetting Dispersant
Fumed Silica
• Comprehensive Solutions
Provide different solutions for different needs.
• Product Development
Oriented by customer needs, with professional technology as a bridge, we are dedicated to the development of the industry.
• Overseas Agency
Our business covers multitude of production industries, offering clients high-quality services and competitive products.
• Logistics & Warehousing
To meet the needs of our customers, we fully understand the importance of stable and continuous production.
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