99% ETFE (Ethylene-Tetrafluoroethylene Copolymer) CAS 25038-71-5 (C2H2·C2F4)n, used in semiconductor materials, wires and cables, aerospace, and high-performance corrosion protection applications.

I. Basic Product Information

Product Name: Ethylene-Tetrafluoroethylene Copolymer
English Name: Ethylene-Tetrafluoroethylene Copolymer
Abbreviation: ETFE
CAS No.: 25038-71-5
Chemical Formula: (C2H2·C2F4)n
Product Category: Fluorine-containing polymer materials, high-performance fluoropolymers, engineering plastics

ETFE combines the excellent corrosion resistance of fluoropolymers with the toughness and processing performance brought by the ethylene structure, making it an important high-performance fluoropolymer.

II. Product Quality and Application Classification at Different Levels

1. General-purpose ETFE
applications: Industrial corrosion-resistant linings, pipeline and valve materials, engineering protective materials.

2. Injection/extrusion grade ETFE
applications: Semiconductor equipment components, high-purity chemical delivery pipelines, precision engineering components.

3. High-purity electronic grade ETFE
applications: Semiconductor manufacturing equipment, electronic chemical delivery systems, high-purity laboratory equipment.

III. Product Performance Characteristics

1. Excellent chemical resistance, able to withstand most acids, alkalis and corrosive media.

2. Good mechanical strength and impact resistance.

3. Excellent weather resistance, suitable for long-term outdoor use.

4. Good electrical insulation properties, suitable for electrical and electronic applications.

5. Can be processed by extrusion, injection molding and other methods.

IV. Main Applications in the Russian Market

1. Wires, cables, and electrical insulation materials:
used for high-temperature resistant insulation and protective layers in the aerospace, power, and communications industries.

2. Semiconductor and electronics manufacturing:
used for high-purity chemical transport pipelines, equipment components, and corrosion-resistant components.

3. Chemical corrosion-resistant equipment:
used for tank linings, pipeline linings, valves, and pump assemblies.

4. Aerospace and transportation:
used for lightweight, high-reliability insulation and protective materials.

5. Architectural membrane materials and outdoor applications:
utilizing weather resistance and light transmittance, used in high-performance membrane materials.

V. Key Considerations for Procurement in the Russian Market

1. Matching resin grade and processing method.
2. Melt index affects processing performance.
3. Mechanical strength and temperature resistance rating.
4. For electronic grade applications, focus on purity and impurity control.
5. Completeness of COA, TDS, SDS, and export documentation.