Electronic Assembly

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Electronic Assembly

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Whether you run a PCB prototype house or a high volume assembly operation, Techspray offers products to improve your electronic assembly products and processes.

Temporary Solder Masks

Techspray offers the broadest array of masks in the industry. WonderMASK is ideal for protecting empty thru-holes in a wave soldering process and sensitive components in your reflow oven. It can also be used to cover contacts and other areas when applying conformal coating.

Conformal Coating

A wide variety of coatings is available including acrylic, silicone and urethane. Choose the viscosity that works best in your spray system, selective sprayer, or dipping process. Aerosols can be used for low volume production and rework.

Solvent and Water-Based Cleaners

Whether you are cleaning PCBs, stencils, or your SMT equipment, there are solvent and water-based cleaners to fit every application. Eco-Stencil brand cleaners are alcohol-free and safely remove solder paste and adhesives from stencils. Eco-dFluxer cleaners effectively remove rosin, no-clean, and aqueous fluxes when used in an in-line or batch washer. Of course, a wide variety of aerosol flux removers are offered to give you the flexibility needed for smaller PCB runs.

Lint-Free Wipers
Techclean wipers offer cleaning performance without worrying about lint blocking stencil apertures.

Soldering Tips and Tools

When hand soldering, Plato is the go-to brand for shear cutters and replacement soldering tips. Tips are available for the most common soldering stations, including Hakko, Weller, and Pace.
Wondermask P  Peelable Solder Mask WonderMASK P Peelable Solder Mask
Non-ammoniated, low odor peelable mask
Isopropyl Alcohol (IPA) Wipes - 99.8% Isopropyl Alcohol (IPA) Wipes
Pre-saturated alcohol wipes with 99+% pure isopropyl alcohol
Eco-dFluxer SMT300 Eco-dFluxer SMT300
Inline & batch water-based flux remover for sensitive metals
Eco-Oven Cleaner Eco-Oven Cleaner
Cleans reflow ovens, wave soldering systems, and associated heat exchanger systems by removing all types of flux residues - Quickly clean flux residue from oven & wave fingers
Eco-Stencil UM Understencil & Manual Cleaner Eco-Stencil UM
Manual & Under Stencil Cleaner - Effectively removes all types of solder paste (e.g. water­based, RMA, no­clean, lead­free) and uncured adhesive from screens, misprinted boards and equipment. Compatible with Batch ultrasonic cleaning systems
E-Line Flux Remover E-Line Flux Remover
Powerful & economical flux remover
E-Line Flux Remover & Maintainance Cleaner E-Line Flux Remover & Maintenance Cleaner
Powerful & economical liquid cleaner
G3 Flux Remover G3 Flux Remover
Strong, fast-acting & nonflammable flux remover
Techclean Blue Maintenance Wipe Techclean Blue Maintenance Wipe
High-absorbency poly/cellulose wipes
Techclean Wiper Techclean Wiper
Class 100 high-absorbency poly/cellulose wipe
Platoshear Cutter Plato Shear Cutter
High precision lead cutter
Platoshear Ergonomic Cutter Plato Shear Ergonomic Cutter
Ergonomic, ESD-safe shear lead cutter
Desoldering Tip - Air-Vac, A.P.E., Pace Compatible Desoldering Tip - Air-Vac, A.P.E., Pace Compatible
Desoldering tips for Pace, Air-Vac and A.P.E. stations
Desoldering Tips - 3/16" Pace Compatible Desoldering Tips - 3/16" Pace Compatible
3/16" desoldering tips for Pace SX stations
Soldering Tip - 5/16" Soldering Tip - 5/16"
5/16" tips for Hexacon
Soldering Tips - 3/16" Pace Compatible Soldering Tips - 3/16" Pace Compatible
3/16" tips for Pace PS-90, PS-80, SP-2 and IR-70
Soldering Tips - Weller Compatible Soldering Tips - Weller Compatible
Tips for Weller WTC stations and TC irons- Replacement soldering tips for Weller stations WTCPT, WTCPTD, WTCPTFE, WTCPN and WTCPS, and Weller hand pieces TC201T and TC201FE. Comparable to Weller's PT series of tips.
Soldering Tips - Weller Compatible Soldering Tips - Weller Compatible
Soldering Tips for Weller WES and WD stations and EC, PES and WCC irons- Replacement soldering tips for Weller WES50, WES51, WD1 and WD2, and Weller hand pieces EC1201A, EC1204A, PES50, PES51 and WCC101. Comparable to Weller's ET series of tips.
Soldering Tips - Weller Compatible Soldering Tips - Weller Compatible
Replacement soldering iron tips for Weller WSL, WD, WS and WSD stations, and Weller WSP and MPR irons. Comparable to Weller's LT series of tips.

FAQ's

How do I avoid peelable solder mask from breaking off and leaving residue behind?

The follow are factor to consider when trying to avoid breakage: 1) Curing – Partially cured mask will have more of a tendency to break or leave residue. 2) Temperature and duration in extreme heat – Mask is designed for wave soldering, which is about a second of exposure to molten solder temperatures (generally 550°-650°F). If the mask is sent through a reflow oven the duration is much longer, which can lead to more mask brittleness. If the mask is exposed to high-temperature solder (e.g. silver), it can also lead to more brittleness. 3) Application method – When hand applying, we recommend holding the bottle at about a 60° angle, rather than upright at 90°. That tends to apply the material as a thick blanket over the areas to be masked. When the bottle is held at 90°, the mask is generally applied thinner, and is forced through holes and around components. Those thin areas are more likely to become brittle and stay behind, and mask pushed into holes and around components is harder to remove, so more likely to break.

Do you need to clean no-clean flux?

No, not if your concern is only reliability problems from ionic contamination. No-clean flux contains minimal ionic material that is fully consumed when the flux is activated, or in other words, brought to soldering temperature. If all of the flux isn’t activated, like when you apply a lot of flux but only solder a small area, you still need to clean the PCB. If you are applying conformal coating, you should remove all flux residues, regardless of the type of flux. Most people understand that when painting something, the surface must be prepared so it is absolutely clean. Otherwise, the paint will quickly lift off the surface and peel off. The same logic applies to conformal coating, even when the contamination is from no-clean flux.

Articles

Isopropyl Alcohol (IPA) Replacements for Electronic Assembly and Repair
Techspray offers alternatives to IPA that are as effective if not more so, and in many cases nonflammable with lower environmental impact. Techspray offers IPA alternatives for: Electronic printed circuit board (PCB) assembly Removal of solder paste or adhesive from SMT stencils Maintenance cl...
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How To Use Spot Mask for Wave Soldering & Conformal Coating
Say you’re a contract manufacturer of printed circuit boards (PCBs), and your customer just made an engineering change that leaves several thru-hole vias open. If you run it through the wave as is, and solder over the vacant holes, the PCB won’t function properly. How do you keep the pro...
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How to Identify Ionic Contamination Sources in PCB Assembly
What causes PCB failure? Whether it's a catastrophic failure or a latent field failure, nothing is more frustrating and expensive than when a circuit board stops functioning. The design was prototyped and thoroughly tested, and yet, has problems once in full production. What happened?! I can&rsquo...
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Videos

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