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Chemtronics Response to COVID-19

ITW Contamination Control – Electronics, the manufacturing facility for Chemtronics and Techspray products, is considered an essential critical business as classified by the Department of Homeland Security. We are able to remain open and...
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Can you spray contact cleaner on a circuit board?

Most contact cleaners are safe to use on printed circuit boards (PCBs) in electronic devices. Make sure the contact cleaner solvent is compatible with all components, connectors, and packaging by testing on a scrap part or inconspicuous area.
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How do you clean dirty electrical contacts?

Hold object to be cleaned in vertical position so the solvent and soil can run off. Spray 4 - 6 inches (10-15 cm) from surface. Wash from top to bottom, allowing the liquid to flush away contaminants. For precision application, use with extension...
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How do you clean corroded contacts?

To improve the connection quality of an electrical contact or switch, you can remove oxidation or rust either mechanically and/or chemically. A brass or steel brush is the most common method of scrubbing off oxidation, although for sensitive...
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What is contact cleaner used for?

A contact cleaner (also called electrical cleaner, switch cleaner, electrical contact cleaner, and specific for automotive repair, battery terminal cleaner) is a solvent cleaner designed to remove contamination from electrical contacts, the...
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Is lubricant like WD-40 a good contact cleaner?

Generally, contact cleaners contain 100% solvent, which dissolves grease, carbon deposits, and other contamination, and allows it to run off. The solvent then evaporates, leaving a clean, conductive surface behind. Aerosol lubricants, like WD-40,...
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The Ultimate Guide to Conformal Coating

Historically, the only circuit boards going through a conformal coating process were for mission-critical applications, like aerospace. The trend toward greater and greater electronic miniaturization and wearable electronics (PCB + electricity...
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What Type of Industry Certifications Are Available for Conformal Coatings?

Certifications are used to separate conformal coatings from general purpose varnishes and shellacs. There are dozens of user and industry specifications, but the two major certifications are most commonly referenced: IPC-CC-830B / MIL-I-46058C...
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How Do You Remove Conformal Coating?

You may be required to remove a conformal coating from the PCB to replace damaged components or other types of rework. The basic methods as cited by IPC are: Solvent Removal – While most conformal coatings can be dissolved in solvent,...
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How Thick Should I Apply Conformal Coating?

Conformal coatings are generally very thinly applied, which provides the best protection possible, but minimizes heat entrapment, excess weight, and other issues. Typically, conformal coating is applied between 1 to 5 mils (25 to 127 microns)....
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Coventry Hi-Purity Alcohol Wipes – Polypropylene

Semicon grade IPA wipes for delicate surfaces

FOCCUS CCT Clear Connection Tool

Easy to use tool for fast and effective end-face cleaning of fiber connectors
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