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BONDERITE® S-FN 109B is a graphite-based coating designed to provide controlled electrical properties to various substrates.
BONDERITE® S-FN 109B (previously known as DAG 109B) is a graphite dispersion that dries quickly to form a flexible conductive coating, making it an ideal choice for a range of industrial applications. It is formulated with high-purity, fine-grain graphite alongside a highly flexible thermoplastic resin that provides high adhesion to most metal alloys and plastics. This combination not only ensures exceptional adhesion but also enhances the electrical performance by preventing cracks from forming in the cured film. The high-purity concentration of graphite results in a highly conductive coating, which is capable of finely controlling electrical properties on the substrate surface, thus making it suitable for electronic devices and components. To achieve optimal results, BONDERITE® S-FN 109B should be applied using a spray system or traditional printing techniques, methods that facilitate a controlled and well-distributed film thickness across the substrate. Ensuring the proper thickness and consistency is crucial, as it enhances the coating's performance and longevity, ultimately leading to more efficient electrical conductivity and a more robust protection of the underlying material.
Typical properties (of wet product):
Color: black
pigment: graphite
Binder: thermoplastic
Carrier/Diluent: MIBK, MEK or lacquer thinner
Consistency: liquid
Viscosity, mPas: 1800
Density, lb/gal: 8.6
Solids content, %: 40
Flashpoint, °F: 61
VOC, lb/gal: 5.2
Theoretical coverage: 365ft2/gal at 1 mil
Typical properties (as cured):
Color: black
Sheet resistance:: 40 ohms/sq @ 25 um (1 mil) dry film thickness
Continuous maximum service temperature, °F: 220
Dispersed graphite in thermoplastic resin
Tested for 11 different elemental impurities to create a highly-pure coating
Highly flexible thermoplastic resin demonstrates superb adhesion to metals and plastics
Flexibility prevents crack formation
Imparts controlled electrical properties to substrate surface
Dries quickly to reduce energy costs and increase production rates
Impurities in conductive coating causing poor electrical performance
Poor coating adhesion to metal or plastic
Cracks in conductive coating film
Long cure time resulting in higher energy costs and production inefficiency
Battery current collector coating
Transformer bushing coating
Cable coating
Flexible conductive coating for plastics and metals
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