Conformal Coating

Conformal Coating

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Conformal Coating

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Protect Electronics from Extreme Environments

Techspray offers SR, AR and UR conformal coating formulas for a wide variety engineering requirements including thermal, moisture & static resistance. All coatings are IPC-CC-830B and UL94 V-0 qualified.

Techspray offers a variety of conformal coating formulas for differing field or engineering requirements and is IPC CC 830B and UL94-0 Qualified or rated. Specifications generally depend on the type of protection needed: e.g., thermal, moisture, or static resistance.

Coatings contain Opti/Scan (except LED Coating) to allow quality control inspection of coverage and evenness of the coating on a PCB. A coated board can be passed under a standard, low-cost UV (short-wave black) light to fluoresce the coated areas. The brighter the glow, the thicker the coating.

Application methods:

  • Dip – High volume method to fully coat boards. Thickness of the final coating is controlled by viscosity and withdrawal speed from the pot.
  • Conformal Coating Spray – Computer controlled selective spray systems eliminate the need for masking. Higher viscosity is generally needed (70-200 cps) to create precise edge definition and prevent splattering.
  • Manual Application – Aerosol and brushing are generally used for small production runs, rework and repair. The aerosol needs to be compatible with the original coating if it’s rework.
For more information, check out our Essential Guide to Conformal Coating.

Conformal Coating Selection Guide

Fine-L-Kote SRV Silicone Conformal Coating Fine-L-Kote SRV Conformal Coating
Silicone conformal coating that is high gloss, ultra-clear, moisture and abrasion resistant
Turbo-Coat Acrylic Conformal Coating Turbo-Coat Acrylic Conformed Coat
Acrylic Conformal Coating with the fastest cure, dry to touch in 3 minutes!
Fine-L-Kote AR Acrylic Conformal Coating Fine-L-Kote AR Acrylic Conforming Coats
Acrylic conformal coating for high dielectric strength & good moisture and abrasion resistance
Fine-L-Kote SR Silicone Conformal Coating SR Silicone Conformal Coating
Silicone Conformal Coating that's ideal for moisture, thermal and vibration protection
Fine-L-Kote LED2 Silicone Coating Fine-L-Kote LED2 Silicone Conformal Coating
Silicone conformal coating designed to coat over LEDs
Fine-L-Kote HT High-Temp Silicone Conformal Coating HT High-Temp Silicone Conformal Coating
Silicone coating engineered for superior thermal and moisture resistance
Fine-L-Kote UR Urethane Conformal Coating UR Urethane Conformal Coating
Tough coating with good chemical resistance
Turbo-Coat Thinner Turbo-Coat Thinner
Conformal coating thinner for Turbo-Coat
Conformal Coating Remover Conformal Coating Remover
Coating stripper for acrylic, silicone and urethane
Fine-L-Kote Conformal Coating Remover XT Conformal Coating Remover XT
Coating stripper for acrylic, silicone, urethane, and component epoxy coatings

FAQ's

What is conformal coating?


Conformal coatings are typically thin layers of material applied to electronic components or circuit boards to protect them from environmental factors like moisture, dust, chemicals, and mild mechanical stress. They are commonly used in various industries, including electronics, automotive, aerospace, medical electronics and more.

For more information, check out "The Essential Guide to Conformal Coating".
What does conformal coating do?
Conformal coating is a specially engineered polymeric film-forming product that protects circuit boards, components, and other electronic devices from harmful environmental conditions like moisture, thermal shock, static, vibration, and contamination. These coatings ‘conform’ to the irregular landscape of the PCB providing increased dielectric resistance, operational integrity, and reliability. There are a number of options for coating technologies, and the best option should depend mainly on the protection required. Application method and ease of rework are also important factors, but should generally be considered secondary to the protective performance needed.
Is conformal coating necessary?


Whether or not conformal coating is required depends on the environment the electronic device will operate in, the reliability requirement of the device, and the cost of failure, whether in dollars or human lives. Typical consumer devices are generally not coated because cost is one of the top driving factors, and a coating step certainly adds to that. Devices operating in harsh environments may require coating, and the type of stresses and contamination will point to the best option, whether that is acrylic resin (AR), silicone resin (SR), urethane resin (UR), or some other type of protection. Aviation, aerospace, and medical devices often require coating because of the mission critical nature of these applications.

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