Chemtronics Green 4.9 g Pen Conformal Coating for PCBs, -55 → +125 °C

  • RS Stock No. 495-240
  • Mfr. Part No. CW3300G
  • Manufacturer Chemtronics
Product overview and Technical data sheets
Legislation and Compliance
RoHS Status: Not Applicable
COO (Country of Origin): US
Product Details

CircuitWorks Overcoat Pen Conformal Coating

This overcoat pen applies a tough conformal overcoat to protect and insulate circuit boards, components and delicate electronics as easily as writing.

Circuitworks Overcoat Pen
Insulates against shorting and arcing
Protects against abrasion, moisture and chemicals
Helps prevent static discharge problems on sensitive circuits
Compatible with the Circuit Works® Conductive Pen

Chemtronics CircuitWorks Overcoat Pen

The Chemtronics 4.9g CircuitWorks overcoat pen is ideal for protecting and insulating circuit board traces, components, and other delicate electronics. This is a highly effective coating that provides excellent protection against shorts, moisture, abrasion, fungus, and other environmental hazards. This coating allows an insulating circuit board traces, components, and other delicate electronics. It has excellent resistance to water-based cleaners and limited resistance to aggressive organic solvents such as acetone. You can enhance the chemical resistance by heat curing.

Features and Benefits

• Simple to use, single component system
• Hard, durable coating
• High dielectric strength
• Helps prevent arcing and shorts
• Contains fluorescent indicator
• Protects against moisture damage
• Helps prevent static discharge problems on sensitive components
• Operational temperature ranges between -55°C and 125°C


• Circuit board manufacturing
• Data communications
• Aerospace
• Instrumentation
• Controls
• General maintenance and repair


• MIL-I-46058C
• IPC-A-610D



Attribute Value
Package Size 4.9 g
Package Type Pen
Application PCBs
Material Acrylic
Colour Green
Maximum Operating Temperature +125°C
Minimum Operating Temperature -55°C
Trade Name CW3300
In stock for delivery within 8 working days
Price Each
HK$ 242.23
(exc. GST)
Per unit
1 - 4
5 - 9
10 +