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 ionBarrier properties:
•Chemical insolubility and solvent resistant
•Low water absorption
•Hydrophobic properties
•Low gas permeability , no out-gassingPhysical & 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 immobilizationElectrical properties:
•Electrical insulation
•High dielectric strength
•High volume resistivity ,ohm-cm
•Low dissipation factor
•Low dielectric constant
•Mitigation of tin whisker growthBiocompatibility and bio-stability
•USP class VI
•Microorganism resistance
Synonyms: alpha-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
Molecular Formula: C16H8F8
Molecular Weight: 352.22
Linear Structural Formula: C16H8F8
MDL Number: MFCD13194972
Purity: 99% (GC)
Melting Point: 240-250 C
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