Conformal Coating
Conformal coating is a specialty polymeric film forming product that protects circuit boards, components, and other electronic devices from adverse environmental conditions. These coatings conform’ to the irregular landscape of the PCB providing increased dielectric resistance, operational integrity, and protection from corrosive atmospheres, humidity, heat, fungus, and airborne contamination such as dirt and dust.
Techspray offers a variety of conformal coating formulas to match field and engineering requirements and is IPC CC 830B, MIL-I-46058C, and UL94-0 Qualified or rated. Specifications generally depend on the type of protection needed: e.g. thermal, moisture, and 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, and the coated areas glow. 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 than full coverage sprayer 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. If using for rework, the aerosol needs to be compatible with the original coating.
Resin Type
Application Method
Operating Temperature
Protective Properties
UL 746 Certified
Applied Filters
Fine-L-Kote SRV Silicone Conformal Coating
Fine-L-Kote SRV950 Silicone Conformal Coating – High Viscosity
Turbo-Coat Acrylic Conformal Coating
Turbo-Coat HV Acrylic Conformal Coating
Fine-L-Kote AR Acrylic Conformal Coating
Fine-L-Kote SR Silicone Conformal Coating
Fine-L-Kote High Viscosity SR Silicone Conformal Coating
Fine-L-Kote HT High-Temp Silicone Conformal Coating
Fine-L-Kote Conformal Coating Remover XT
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