Description

Epoxycyclohexylethyl Terminated Polydimethylsiloxane, 25-35Cs is a specialized reactive silicone fluid engineered for high-performance applications requiring enhanced adhesion, thermal stability, and chemical resistance. This product is a key intermediate for formulators seeking to create advanced materials with superior mechanical properties and compatibility with organic and inorganic substrates. It is essential for manufacturers in the electronics, advanced coatings, and specialty adhesives industries who demand reliable, high-purity raw materials for their critical processes.

Application

• Advanced Encapsulants & Potting Compounds: Used as a reactive modifier in epoxy-silicone hybrid systems for protecting sensitive electronic components, offering excellent moisture resistance and low stress.
• High-Performance Release Coatings: Serves as a key component in formulations for industrial release liners, providing non-stick surfaces with thermal stability.
• Specialty Adhesives & Sealants: Incorporated to improve adhesion to difficult substrates (e.g., metals, plastics) while maintaining flexibility and weatherability.
• Fiber Optic Coatings: Utilized in coatings for optical fibers to enhance protection against mechanical damage and environmental factors.
• Mold Making & Casting: Acts as a reactive plasticizer or crosslinker in silicone rubber formulations, improving tear strength and release properties.
• Surface Modification Additive: Employed to impart hydrophobic, lubricious, or anti-fouling characteristics to various material surfaces.

Basic Information

Product Name	Epoxycyclohexylethyl Terminated Polydimethylsiloxane, 25-35Cs
CAS No.	102782-98-9
Molecular Formula	CnH2n+2O3Sin (Polymeric)
Molecular Weight	Varies by chain length (n). Contact for details.
Synonyms	Epoxycyclohexylethyl-Terminated PDMS; 2-(3,4-Epoxycyclohexyl)ethyl Terminated Polydimethylsiloxane; Epoxy-Functional Silicone Oil; Cycloaliphatic Epoxy Silicone; Epoxy-Modified Siloxane; Reactive Silicone Fluid; ECETS; Epoxy Silicone Resin Intermediate
EINECS	Contact for details.

Quality Control

Our Epoxycyclohexylethyl Terminated Polydimethylsiloxane is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure consistency in viscosity, epoxy equivalent weight, and purity. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids, bases, and other materials that can initiate polymerization. Under these conditions, the product is stable for at least 12 months from the date of manufacture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Viscosity @ 25°C	25 - 35 cSt
Epoxy Equivalent Weight (EEW)	Contact for details
Specific Gravity @ 25°C	0.96 - 1.02
Refractive Index @ 25°C	1.405 - 1.425
Water Content	< 0.1% (Karl Fischer)
Identification (IR)	Conforms to structure

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