Vinyl Terminated Silicone Fluid
Vinyl Terminated Silicone Fluid

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Understanding Vinyl Terminated Silicone Fluid: Composition, Applications, and Quality Assurance

Vinyl Terminated Silicone Fluid (VT-SF) has emerged as a cornerstone material in industries ranging from electronics to biomedical engineering. But what exactly defines this substance, and how does its composition impact its performance? This article explores the science behind VT-SF, its manufacturing process, and why brands like ​Biyuan​ are setting new benchmarks in quality and reliability.


1. What Is Vinyl Terminated Silicone Fluid?​

Vinyl Terminated Silicone Fluid is a specialized silicone polymer characterized by reactive vinyl (-CH=CH₂) groups at its molecular terminals. These groups enable precise crosslinking reactions, making it a critical precursor for silicone elastomers, coatings, and adhesives. Unlike generic silicone fluids, VT-SF’s terminal functionality allows tailored material properties, such as enhanced elasticity or thermal stability, depending on the application .

Key Composition:

  • Base Polymer: Typically derived from polydimethylsiloxane (PDMS), a synthetic siloxane chain.
  • Reactive Groups: Vinyl end-groups facilitate addition-cure reactions with hydride-terminated silicones or other crosslinkers.
  • Additives: Custom formulations may include stabilizers, plasticizers, or pigments to meet industry-specific demands.

2. The Manufacturing Process: From Raw Materials to Final Product

The production of VT-SF involves advanced chemical engineering to ensure consistency and performance:

  1. Silicon Source: Industrial-grade silicon (not “natural” silicon) is purified and reacted with methyl chloride to produce chloromethylsilane intermediates.
  2. Polymerization: These intermediates undergo hydrolysis and condensation to form PDMS chains.
  3. Terminal Modification: Vinyl groups are introduced via controlled reactions, ensuring uniform distribution along the polymer backbone.
  4. Quality Control: Rigorous testing for viscosity, vinyl content, and impurities guarantees compliance with standards like ISO 11600 and ASTM C920 .

Brands like ​Biyuan​ leverage cutting-edge facilities to optimize this process, delivering VT-SF with ±0.5% viscosity consistency and <50 ppm total extractables.


3. Applications Across Industries

VT-SF’s versatility drives its adoption in high-performance sectors:

  • Silicone Rubber Production: Acts as a base polymer for heat-resistant seals, medical tubing, and automotive gaskets.
  • Coatings & Adhesives: Enhances durability and weather resistance in construction sealants (e.g., Baiyun SS850) .
  • Electronics: Used in potting compounds to protect sensitive components from moisture and vibration.
  • Personal Care: Provides silky textures in cosmetics while maintaining biocompatibility .

4. Why Choose Biyuan for Vinyl Terminated Silicone Fluid?​

In a market saturated with competitors, ​Biyuan​ stands out through:

  • Technical Expertise: Over 15 years of R&D experience in silicone chemistry.
  • Custom Solutions: Adjustable vinyl content (0.1–1.2%) and viscosity (100–100,000 cSt) to match unique project requirements.
  • Sustainability: Low-VOC formulations compliant with RoHS and REACH.
  • Global Certifications: ISO 9001, IATF 16949, and NSF 61, ensuring safety and efficacy.

For manufacturers prioritizing bulk purchasing and long-term supply stability, Biyuan’s T/FSI018-2019-certified VT-SF offers a 12-month shelf life and seamless logistics support.


5. Future Trends: Innovations in VT-SF Technology

As industries demand smarter materials, VT-SF is evolving:

  • Hybrid Formulations: Combining VT-SF with nanomaterials for self-healing coatings.
  • Eco-Friendly Alternatives: Bio-based crosslinkers to reduce environmental impact.
  • Precision Medicine: Silicone-based drug-delivery systems with controlled release properties.

Conclusion

Vinyl Terminated Silicone Fluid is far more than a synthetic polymer—it’s a gateway to innovation in material science. By partnering with a trusted supplier like ​Biyuan, businesses gain access to high-purity VT-SF that meets stringent quality standards while enabling next-generation applications. Whether you’re engineering aerospace components or developing medical devices, investing in premium VT-SF ensures durability, safety, and market competitiveness.

For detailed technical specifications or bulk order inquiries, consult Biyuan’s product catalog or regional distributors.

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VINYL TERMINATED FLUID FOR Medical and Biomaterials

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Physical Properties Appearance: Colorless, transparent, high-purity liquid Viscosity Range: 100–100,000 cSt (medical grade) Density: 0.97 g/cm³ ± 0.02 (at 25°C) Refractive Index: 1.403–1.406 (at 25°C) Surface Tension: 21.5 ± 1.5 mN/m Volatile Content: <0.1% (100°C × 24h) Chemical Properties Biocompatibility: Compliant with ful.

VINYL TERMINATED FLUID FOR COSMETICS & PERSONAL

VINYL TERMINATED FLUID FOR COSMETICS & PERSONAL

Physical Properties Appearance: Colorless transparent to pale yellow liquid Viscosity Range: 50–100,000 cSt (customizable) Solubility: Compatible with cosmetic solvents (e.g., cyclopentasiloxane, isododecane) Volatility: Extremely low volatile content (<0.3% at 100°C × 24h) Refractive Index: 1.40–1.42 (at 25°C) Surface Tension: 20–22 .

VINYL TERMINATED FLUID FOR INDUSTRY ADDITIVES

VINYL TERMINATED FLUID FOR INDUSTRY ADDITIVES

Physical Properties Appearance: Colorless transparent to pale yellow viscous liquid Viscosity Range: 50–50,000 cSt (customizable) Density: 0.95–1.02 g/cm³ (at 25°C) Flash Point: >200°C (Open Cup Method) Volatile Content: <0.5% (150°C × 24h) Solubility: Compatible with mineral oils and synthetic lubricants Chemical Properties .

VINYL TERMINATED FLUID FOR TEXTILE & LEATHE

VINYL TERMINATED FLUID FOR TEXTILE & LEATHE

Basic Product Information Product Name: Vinyl Terminated Fluid Appearance: Colorless Transparent Liquid TYPICAL PROPERTIES AppearanceColorless Transparent LiquidViscosity (25℃),mm2/s70-110000Vinylcontent %0.06-1.08Volatile content (150℃,3h),%≤1.5 vinylterminated Physical Properties Form & Appearance:Colorless to pale yellow tra.

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