CRC Plasticote 70 Clear Protective PCB Conformal Coating Spray – 425ml

CRC Plasticote 70 is a transparent protective and electrically insulating coating designed primarily for printed circuit boards, electronic components, electrical connections, cables, and other electrical or electronic equipment requiring protection against environmental contamination.

This 425ml aerosol version forms a clear protective film over treated surfaces, helping protect electronic components against moisture, condensation, dust, contamination, oxidation, corrosion, and other environmental influences.

Clear Acrylic Protective Coating

Plasticote 70 forms a transparent acrylic-based protective film. Because the coating remains clear, components, PCB markings, solder joints, and other details can remain visible after application.

Electrical Insulation

The dry coating provides excellent electrical insulating properties, helping reduce the risk of creepage, tracking, leakage currents, and short circuits caused by moisture or contamination on electronic assemblies.

High Dielectric Strength

CRC technical documentation for the Plasticote/Plastik 70 coating specifies high electrical resistance and dielectric strength, making it suitable for insulating and protecting electronic assemblies and electrical components.

Protection Against Moisture & Corrosion

The protective film helps shield printed circuit boards and electronic parts from moisture, condensation, atmospheric contamination, dust, oxidation, and corrosion. It is particularly useful for electronics operating in humid or contaminated environments.

UV Inspection Indicator

This version features an ultraviolet inspection indicator. The UV indicator makes it easier to inspect coated areas under suitable ultraviolet illumination and identify whether the protective coating has been applied to the required PCB areas.

Fast-Drying Protective Film

The coating is designed to dry quickly after application. CRC technical data for Plasticote/Plastik 70 specifies a typical touch-dry time of approximately 20 minutes at 20°C, although actual drying time depends on coating thickness, temperature, humidity, and ventilation.

Flexible Transparent Finish

After drying, the coating forms a transparent protective layer designed to adhere to circuit boards and other compatible surfaces while maintaining flexibility.

Typical Applications

• Printed Circuit Boards (PCB)
• Electronic Control Boards
• Industrial Automation Electronics
• PLC and Controller Boards
• Inverter and VFD Circuit Boards
• Power Supply Circuit Boards
• Electronic Repair and Maintenance
• Electrical Terminals and Connections
• Cables and Wires
• Switch Boxes and Terminal Strips
• Telecommunication Electronics
• Marine and Humid-Environment Electronics

Key Specifications

• Brand: CRC
• Product: Plasticote 70
• Product Type: Clear Protective / Insulating Coating
• Application: PCB & Electronic Component Protection
• Container Type: Aerosol Spray
• Volume: 425ml
• Net Weight: 300g
• Finish: Colorless / Transparent
• Coating Base: Acrylic Resin
• UV Inspection Indicator: Yes
• Electrical Insulation: Yes
• Moisture Protection: Yes
• Corrosion Protection: Yes
• Typical Touch-Dry Time: Approx. 20 Minutes at 20°C
• Typical Dry Film Thickness: 20–40μm
• Surface Resistivity: >1013 Ω
• Volume Resistivity: >1013 Ω·cm
• Dielectric Strength: >80kV/mm

Application Instructions

1. Ensure the equipment is switched off and disconnected from electrical power.
2. Clean the surface and remove dust, grease, moisture, flux residue, and contamination as appropriate.
3. Shake the aerosol can thoroughly before use.
4. Spray evenly from approximately 20–30cm away from the surface.
5. Apply a uniform coating and allow sufficient drying time before handling or powering the equipment.
6. After use, follow the manufacturer's aerosol nozzle-cleaning and storage instructions.

Important Safety Information

This product is a flammable pressurized aerosol containing solvents. Use only in a well-ventilated area and keep away from flames, sparks, hot surfaces, and other ignition sources. Do not spray onto energized electrical equipment. Do not puncture or burn the aerosol container, even after use, and protect the container from excessive heat and direct sunlight.