Silicone Conformal Coating Spray 100ml – PCB Waterproof

Silicone Conformal Coating Spray – Clear, Waterproof Protection for PCBs & Electronics

Keep your circuit boards, control panels, and precision electronic components safe from moisture, dust, and oxidation with this professional-grade Silicone Conformal Coating Spray. Designed for electricians, engineers, repair technicians, and hobbyists alike, this 100ml quick-dry spray forms a flexible, transparent protective layer that guards delicate electronics in even the most demanding environments. Includes a cleaning towel for immediate use right out of the box.

Made in Mainland China.

Key Features

• Waterproof & Moisture-Resistant: Forms a clear, flexible silicone barrier over circuit boards and PCB assemblies, preventing moisture, water mist, and humidity from causing corrosion or short circuits.
• Restores Conductivity: Effectively removes oxidation and surface stains from switches and relays, restoring optimal conductivity and ensuring seamless performance of electronic devices.
• Quick-Dry Formula: Fast-evaporating properties allow the coating to dry rapidly, minimizing downtime in busy workshops, repair shops, and laboratories.
• Deep-Penetrating Spray: The precision spray nozzle reaches deep into narrow gaps and tight spaces, providing thorough coverage without risking secondary damage to fragile components.
• Easy Shake-and-Spray Application: No special equipment needed — simply shake the can and spray for an even, professional coating every time. Portable and lightweight for on-the-go use.
• Universal Compatibility: Suitable for a wide range of applications including PCB assemblies, control boards, automotive electronics, marine equipment, power supplies, telecommunications devices, and outdoor electronic equipment.
• Transparent & Non-Conductive: Dries to a clear finish that won't obscure markings, labels, or components, and will not interfere with normal electrical operation.

Product Specifications

• Product Name: Silicone Conformal Coating Spray
• Capacity: 100ml
• Product Size: Approx. 14 × 4 × 4 cm / 5.5 × 1.5 × 1.5 in
• Finish: Clear / Transparent
• Type: Silicone Sealant Coating
• Suitable For: PCB assembly, control boards, switches, relays, precision instruments, electronics in humid or dusty environments
• Usage Scenarios: Repair shops, labs, workshops, industrial facilities, DIY electronics projects

What's in the Box

• Silicone Conformal Coating Spray × 1
• Cleaning Towel × 1

Who Is It For?

This coating spray is trusted by professional electricians, electronics technicians, engineers, and dedicated hobbyists who need a reliable, long-lasting protective solution. Whether you're working in an industrial control setting, a marine environment, automotive electronics, or a home workshop, this spray delivers consistent, professional results every time.

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Note: Due to lighting effects and display angles, there may be minor color differences in product photos. Due to manual measurement, slight size variations may occur.

Learn more: OSHA on personal protective equipment

Frequently Asked Questions

Q: What surfaces can the Silicone Conformal Coating Spray be applied to?

A: This silicone conformal coating spray is designed for use on PCB assemblies, circuit boards, control boards, switches, relays, and a wide range of electronic components. It is also suitable for automotive electronics, marine equipment, power supplies, telecommunications devices, and outdoor electronic equipment — anywhere moisture or dust protection is needed.

Q: How long does the conformal coating take to dry?

A: Thanks to its quick-dry, fast-evaporating formula, the silicone conformal coating dries rapidly after application, minimizing downtime in professional repair shops, laboratories, and workshops. Exact dry time may vary based on ambient temperature and humidity.

Q: Is the coating transparent once dried?

A: Yes. The silicone conformal coating dries to a fully clear, transparent finish, so it will not obscure component markings, labels, or visual indicators on your PCB or electronic assembly.

Q: What is included with the purchase?

A: Each order includes one 100ml Silicone Conformal Coating Spray and one cleaning towel, so you're ready to apply and clean up right away.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.