Description

Poly[4,5-Difluoro-2,2-Bis(Trifluoromethyl)-1,3-Dioxole-co-Tetrafluoroethylene] is a high-performance fluoropolymer known for its exceptional chemical resistance, thermal stability, and low dielectric constant. This material matters for applications demanding extreme purity, inertness, and reliability in harsh environments. It is primarily needed by manufacturers in the semiconductor, aerospace, and advanced chemical processing industries where superior material properties are non-negotiable.

Application

• Semiconductor Manufacturing: As a critical dielectric material in advanced chip packaging and as a protective coating for sensitive components.
• Aerospace & Defense: Used in seals, gaskets, and wire insulation for systems requiring resistance to extreme temperatures and aggressive fuels.
• Chemical Processing: Lining for vessels, pipes, and pumps handling highly corrosive chemicals and solvents.
• Medical Devices: Component material for implantable devices and surgical tools where biocompatibility and chemical inertness are paramount.
• High-Frequency Electronics: Substrate or coating material for circuit boards and communication devices due to its excellent electrical properties.
• Optical Fiber Coatings: Protective cladding to enhance durability and signal integrity in fiber optic cables.

Basic Information

Product Name	Poly[4,5-Difluoro-2,2-Bis(Trifluoromethyl)-1,3-Dioxole-co-Tetrafluoroethylene]
CAS No.	37626-13-4
Molecular Formula	(C5F8O2·C2F4)n
Molecular Weight	Contact for details
Synonyms	Teflon® AF; Amorphous Fluoropolymer; Poly(perfluoro-2,2-dimethyl-1,3-dioxole-co-tetrafluoroethylene); PDD-co-TFE; Fluoropolymer AF 1600; Fluoropolymer AF 2400; CYTOP® (related class); Perfluoro(2,2-dimethyl-1,3-dioxole)-co-tetrafluoroethylene polymer
EINECS	Contact for details

Quality Control

Our Poly[4,5-Difluoro-2,2-Bis(Trifluoromethyl)-1,3-Dioxole-co-Tetrafluoroethylene] is produced under stringent controls to ensure batch-to-batch consistency for critical applications. Quality is verified through a suite of analytical techniques including GPC, FTIR, and thermal analysis. A comprehensive Certificate of Analysis (COA) detailing purity, molecular weight distribution, and key physical properties is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids, strong bases, and sources of ignition. For long-term storage, maintain under an inert atmosphere such as nitrogen to preserve polymer properties.

Specification

Item	Specification
Appearance	White to translucent powder or pellets
Identification (IR)	Conforms to reference spectrum
Assay (Fluorine Content)	> 65%
Glass Transition Temperature (Tg)	160°C or 240°C (Grade dependent)
Dielectric Constant	< 2.0 (at 1 MHz)
Moisture Content	< 0.1%
Molecular Weight (Mw)	Contact for details
Metal Impurities	< 10 ppm

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