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799297 Sigma-Aldrich

1,1,2,2,9,9,10,10-Octafluoro[2.2]paracyclophane

Synonym: α-Perfluorodi-p-xylene, 1,1,2,2,9,9,10,10-Octafluoro-p-cyclophane, 2,2,3,3,8,8,9,9-octafluorotricyclo[8.2.2.24,7]hexadeca-4,6,10,12,13,15-hexaene, Parylene AF 4 dimer

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Properties

Related Categories Electronic Chemicals, Fluorides, Fluorocarbons, Hydrophobic Polymers, Materials Science,
InChI Key   KCKIWSAAWFKXMA-UHFFFAOYSA-N
assay   99% (GC)
form   powder
mp   240-250 °C

Description

General description

Characteristics of Parylen AF4 coating:
Specialties:
• Unmatched UV stability
• Excellent thermal stability at high service temperature (350)
• Unmatched oxidation stability
• Completely conformal coating
• Superior crevice penetration, pin hole free
• Anti-saline damage
• Anti-stick ion

Barrier properties:
• Chemical insolubility and solvent resistant
• Low water absorption
• Hydrophobic properties
• Low gas permeability , no out-gassing

Physical & mechanical properties:
• Transparent
• Light-weight and ultra-thin
• Low CTE
• Low coefficient of friction
• Good dry lubricity
• Abrasion resistance
• Stabilization of components and structures
• Particulate immobilization

Electrical properties:
• Electrical insulation
• High dielectric strength
• High volume resistivity ,ohm-cm
• Low dissipation factor
• Low dielectric constant
• Mitigation of tin whisker growth

Biocompatibility and bio-stability
• USP class VI
• Microorganism resistance

Application

Parylen AF4 is extremely useful in high temperature applications and those in which long-term UV stability is required.
• Aerospace
• Military
• Electronic
• Medical
• Industrial
• Semiconductor (3D IC TSV electrical insulation , AMOLED De-bonding layer , Barrier layer )
• Bio-MEMS electrode protection film
• EWD (Electro Wetting Device) Liquid lens

Packaging

1 g in glass bottle

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport

Documents

Certificate of Analysis

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Protocols & Articles
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