Overcoat Pen, Conformal Coating Pen

CIR CW3300

About Overcoat Pen

The CircuitWorks® Overcoat Pen – a precise dispensing pen for the application of a tough protective acrylic conformal coating.

Features & Benefits

  • Simple to use, single component system
  • Hard, durable coating
  • High dielectric strength helps prevent electrical discharge
  • Dries quickly at room temperature
  • Protects against moisture and abrasion damage
  • Meets requirements of MIL-I-46058C and IPC-CC-830A
  • Choice of clear or green coating


  • Protects conductive pen traces
  • Repairs permanent solder mask with conformal coating
  • Prevents shorting and arcing

All Downloads

Filename Size Download
Circuit Works CIR CW3300 Overcoat Pen Product Data Sheet 0.14MB

Ordering Information

Part number Description
CIRCW3300C Overcoat Pen Clear 4.9 grams
CIRCW3300G Overcoat Pen Green 4.9 grams


Let’s start by talking about your application

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  • Last updated: November 2022
  • Version: 2.2

Statements, technical information and recommendations contained herein are based on tests we believe to be reliable but they are not to be construed in any manner as warrantees expressed or implied. The user shall determine the suitability of the product for his intended use and the user assumes all risk and liability whatsoever in connection therewith.