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Conductive Pen Tips and Tricks for Best Performance

CircuitWorks Conductive Pens have a wide range of uses, from drawing traces between components on prototype circuit boards, coating components and assemblies to shield them from electrical and radio frequency interference, to repairing broken...
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Cleanroom Compatibility of Chemtronics Duster, ESD Products & Aerosols

From time to time, we receive inquiries in Technical Support asking if a particular Chemtronics product is cleanroom grade or cleanroom compatible. Usually this question arises with regard to our duster products, but sometimes also involves...
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Circuit-Works Thermal Paste Users Guide

Reduce Excess Heat and Improve PCB Reliability with Thermal Paste Step 1: Set-up | Step 2: Remove old paste | Step 3: Clean surfaces | Step 4: Apply paste | Step 5: Attach device Hi, I’m Grant Price, Product Manager for CircuitWorks...
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The Dreaded White Residues: Why They Form & What To Do About Them

The appearance of white residues, on circuit boards, is a recurring problem in PCB assembly, and generates many questions and complaints for the Tech Support hotline. When contamination is found on the board after the cleaning step, the customer...
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Flux Remover Video User Guide

Flux Remover Video User Guide CLEAN WITH OVERALL SPRAY | CLEAN WITH EXTENSION TUBE / STRAW | CLEAN WITH BRUSH ATTACHMENT Flux removers are used to clean flux off printed circuit boards (PCBs), which is left behind after the soldering...
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When Mistakes Happen… How to Remove Epoxy

In technical support, we receive calls almost every week asking how to dissolve conductive bonds made with CircuitWorks Conductive Epoxy (part #CW2400). The best advice I can give is to physically remove the cured material by sanding, scrapping...
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Conformal Coating Defects: When Things Go Horribly Wrong

Download Defects Guide PDF To consistently and repeatably conformal coat PCB's, all the variables need to be controlled like heat, humidity, time, contamination... and the list goes on and on. Failure to control your process can result...
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Essential Guide to Sterile Sampling Swabs

Note: This paper is intended as an overview on the topic of sampling swabs and not as an authoritative how-to guide. Consult CDC and other similar sources for specific guidelines. Per CDC guidelines, “All testing for SARS-CoV-2 should...
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Case Study: Electro-Wash CZ Recovers Expensive Medical Equipment

We received a call from a very satisfied customer who had used Electro-Wash CZ High Precision Cleaner (part #ES7100) to perform a quick repair of medical equipment. This repair resulted in a cost savings of more than $6000 over buying new replacement...
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n-Propyl Bromide (nPB) Determined Unacceptable Risk by EPA for Vapor Degreasing & Aerosols

The US Environmental Protection Agency (EPA) has determined that n-propyl bromide (aka. nPB, 1-Bromopropane, 1-BP, CAS 106-94-5) “presents an unreasonable risk for 16 conditions of use” in an August, 2020 report. “Nontechnical...
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Coventry Poly Double-Onyx ESD Wipes

ESD safe, black polyester monofilament wipe

Flux-Off Delta

Extra strength, nonflammable solvent that removes heavy and encrusted flux deposits
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