Description

Perfluoropolyether, Silyltriethoxy Terminated is a specialized functionalized fluoropolymer featuring a perfluoropolyether (PFPE) backbone terminated with a reactive silyltriethoxy group. This unique molecular architecture provides exceptional chemical inertness, thermal stability, and low surface energy, combined with the ability to chemically bond to various substrates. It is a critical material for formulators and manufacturers seeking to create durable, high-performance surface treatments and release coatings. Key industries that utilize this advanced material include aerospace, precision optics, electronics, and specialty lubricants.

Application

• Surface Modification & Release Coatings: Used as a key component in formulating non-stick, anti-adhesive, and easy-clean coatings for molds (e.g., for plastics, rubber, composites) and industrial equipment.
• Advanced Lubricants & Greases: Serves as a base fluid or additive in high-performance lubricants for extreme environments, offering stability under high vacuum, wide temperature ranges, and in the presence of aggressive chemicals.
• Optical & Electronic Protective Layers: Applied to create hydrophobic, oleophobic, and anti-fog coatings on lenses, sensors, and display screens, enhancing durability and performance.
• Adhesion Promoters & Coupling Agents: The reactive silyl group enables covalent bonding to inorganic surfaces like glass, metals, and ceramics, improving the adhesion of subsequent polymer layers or coatings.
• Sealants and Encapsulants: Incorporated into formulations for gaskets, seals, and potting compounds requiring long-term resistance to fuels, solvents, and oxidative degradation.
• Textile and Fiber Treatment: Imparts permanent water, oil, and stain repellency to technical textiles and high-performance fabrics.

Basic Information

Product Name	Perfluoropolyether, Silyltriethoxy Terminated
CAS No.	223557-70-8
Molecular Formula	Typically CnF2nOm-Si(OC2H5)3 (Variable PFPE chain length)
Molecular Weight	Variable (Depends on PFPE chain length). Contact for details.
Synonyms	PFPE-silane; Triethoxy(perfluoropolyetherpropyl)silane; Silyl-terminated perfluoropolyether; PFPE triethoxysilane; Fluorinated polyether silane; (Perfluoropolyether)propyltriethoxysilane; 3-(Perfluoropolyether)propyltriethoxysilane; Fluorosurfactant silane
EINECS	Contact for details.

Quality Control

Our Perfluoropolyether, Silyltriethoxy Terminated is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure consistency and meets defined specifications for critical parameters such as fluorine content, silane functionality, viscosity, and purity. Certificates of Analysis (COA) detailing these results are available upon request. We support our global customers with documentation relevant to supply chain compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive). To prevent hydrolysis of the reactive silyl groups, containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen or argon) after initial opening.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (Fluorine Content)	≥ 65% (w/w)
Viscosity @ 20°C	100 - 500 cSt (Grade dependent)
Specific Gravity @ 25°C	1.6 - 1.8
Water Content (KF)	≤ 0.05%
Refractive Index @ 20°C	1.30 - 1.33

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.