Product category:
Coatings and coating systems
News Release from: Electrolube | Subject: Sprayable water based conformal coating
Edited by the Manufacturingtalk Editorial
Team on 16 April 2007
Sprayable coating is non-flammable
A sprayable water based conformal coating is non-flammable, contains low levels of VOCs, is free of isocyanates and can be soldered through without producing highly toxic gases.
Leading electro-chemicals manufacturer Electrolube is delighted to announce the successful test results of its sprayable water based conformal coating, WPBs, by ViTechnology Electrolube provided the French Nordson agent with the high performance conformal coating for testing on its selective coating equipment, highly reputed within the electronics industry for speed and process control in conformal coating applications
This article was originally published on Manufacturingtalk on 10 Apr 2006 at 8.00am (UK)
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The first stage of testing took place using an Asymtek C740 system, SC204 applicator and 120074 nozzle.
During the tests, Electrolube's WBPs coating showed significantly positive results; the strip edges were regular and straight in comparison to results from alternative coatings that had displayed jagged lines and bubbles at 20 deg C.
ViTechnology conducted further board tests to check the settings and test with solder resist.
ViTechnology's Applications and Support Manager, Cedric Coquantif, commented, "We are extremely pleased with the test results of the water-based coating from Electrolube.
WBPs showed good repeatability over both boards, minimal bubbles and a fast cure time." The overall conclusion stated that Electrolube's WBPs was very easy to use due to its water based formulation.
As an environmentally friendly coating, WBPs also eliminated the hazards associated with solvent based conformal coatings.
In addition, WBPs did not require additional thinning due to its specific formulation.
The WBPs aqueous conformal coating is non-flammable and contains low levels of VOCs.
WBPs is free of isocyanates and can be soldered through without fear of highly toxic gases being produced.
It is also phenol-free and therefore non-corrosive to Cadmium and Zinc plate.
For ease of inspection, WBPs Fluoresces under UV light and offers excellent dielectric properties and resistance to mould growth.
Available in two formulations, WBP is the standard product for dipping and brushing and WBPs (sprayable) has been formulated for use in selective film coating equipment.
Meeting the requirements of DEF-STAN, MIL and UL, Electrolube's formulation and application of conformal coatings are designed to meet international approvals including European and American military specifications.
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