Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Solvay CYTOP 502

Solvay CYTOP 502 is a high-purity amorphous fluoropolymer resin from the CYTOP series, offering exceptional transparency, low dielectric constant (~1.9), and outstanding chemical/thermal resistance. Widely used in optical coatings, semiconductor encapsulation, and advanced electronics due to its superior moisture barrier and plasma etch resistance properties.
  • solvay cytop 502_ef3c11fe
  • solvay cytop 502_ef3c11fe

Features Of Solvay CYTOP 502

  1. Amorphous fluoropolymer with exceptional transparency across UV–visible–NIR spectrum (up to 2000 nm)

  2. Ultra-low dielectric constant (~1.98 at 1 GHz) and low dissipation factor (<0.001)

  3. Excellent chemical resistance to acids, bases, solvents, and oxidizing agents

  4. Low surface energy and inherent hydrophobicity/oleophobicity

  5. Solution-processable in non-halogenated solvents such as perfluorinated ethers (e.g., FC-72)

Typical Applications Of Solvay CYTOP 502

  1. Optical waveguides and planar lightwave circuits (PLC) for datacom and telecom

  2. Anti-reflective and protective coatings for high-power laser optics and sensors

  3. Dielectric interlayer insulation in flexible printed electronics and RF devices

  4. Encapsulation layers for organic photovoltaics (OPV) and OLED displays

Specifications Of Solvay CYTOP 502

Chemical TypeAmorphous perfluoropolyether (PFPE)-based copolymer
Product FormClear, viscous liquid solution (typically supplied as ~10 wt% in FC-72 or equivalent)
AppearanceColorless to pale yellow, transparent liquid
Primary ApplicationsOptical coatings, low-k dielectrics, protective films, microfluidic device fabrication
Key FeaturesHigh optical clarity, thermal stability up to 250 °C (short-term), non-hygroscopic
BenefitsEnables single-layer anti-reflective performance; eliminates need for vacuum deposition
Storage ConditionsStore under inert atmosphere at 5–25 °C; protect from moisture and UV light


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