Product category:
Electronics Manufacturing Materials and Consumables
News Release from: Electrolube | Subject: WPBs
Edited by the Electronicstalk Editorial
Team on 16 April 2007
Green conformal coating passes muster
Electrolube has revealed the successful test results of its sprayable water based conformal coating, WPBs, by ViTechnology.
Electrolube has revealed 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 Electronicstalk on 3 Aug 2007 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 WPBs 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 20C.
ViTechnology conducted further board tests to check the settings and test with solder resist.
ViTechnology's Applications and Support Manager, Cedric Coquantif, comments: "We are extremely pleased with the test results of the water-based coating from Electrolube".
"WPBs showed good repeatability over both boards, minimal bubbles and a fast cure time".
The overall conclusion stated that Electrolube's WPBs was very easy to use due to its water based formulation.
As an environmentally friendly coating, WBP also eliminated the hazards associated with solvent based conformal coatings.
In addition, WPBs did not require additional thinning due to its specific formulation.
The WPBs aqueous conformal coating is nonflammable and contains low levels of VOCs.
WPBs is free of isocyanates and can be soldered through without fear of highly toxic gases being produced.
It is also phenol-free and therefore noncorrosive to cadmium and zinc plate.
For ease of inspection, WPBs fluoresce under UV light and offer excellent dielectric properties and resistance to mould growth.
Available in two formulations, WBP is the standard product for dipping and brushing and WBP (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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