Chemtronics CircuitWorks Overcoat Pen CW3300G
Short Description
Chemtronics CircuitWorks Overcoat Pen CW3300G is a professional protective coating pen designed for insulating, protecting, and repairing PCB traces and electronic assemblies. The product provides a durable green overcoat layer for electronics manufacturing and repair applications.
1. Detailed Product Description
Chemtronics CircuitWorks Overcoat Pen CW3300G is a high-performance electronic coating solution developed for industrial and professional PCB protection applications.
The product helps to:
– Protect PCB traces and solder joints from contamination
– Provide insulation and environmental protection
– Repair damaged solder mask areas
– Improve durability and appearance of PCB assemblies
Suitable for use in:
– SMT manufacturing facilities
– PCB assembly and repair centers
– Electronics laboratories
– Industrial electronic maintenance operations
2. Technical Specifications
| Attribute Name | Value |
| Brand | Chemtronics |
| Model | CW3300G |
| Product Name | CircuitWorks Overcoat Pen |
| Product Type | Protective PCB Coating Pen |
| Physical State | Liquid |
| Color | Green |
| Odor | Characteristic |
| Flash Point | -1°C (30.2°F) |
| Initial Boiling Point | 111°C (231.8°F) |
| Relative Density | 0.9 |
| Vapor Density | >1 [Air = 1] |
| Application | PCB Protection & Solder Mask Repair |
3. Chemical Composition Specifications
| Chemical Name | Concentration | CAS Number |
| 2-methoxy-1-methylethyl acetate | 25 – 50% | 108-65-6 |
| Propyl Acetate | 10 – 25% | 109-60-4 |
| Butanone | 10 – 25% | 78-93-3 |
4. Chemical Safety Information
Hazard Classification:
– Flammable Liquid – Category 2
– Eye Irritation – Category 2
– STOT SE 3
Signal Word: Danger
Hazard Statements:
– Highly flammable liquid and vapour
– Causes serious eye irritation
– May cause drowsiness or dizziness
Safety Precautions:
– Keep away from heat, sparks, and open flames
– Use only in well-ventilated areas
– Wear protective gloves and eye protection
– Avoid breathing vapour or mist
5. Storage Conditions
– Store in a cool, dry, and well-ventilated area
– Protect from direct sunlight
– Keep container tightly closed
– Store away from oxidising materials and ignition sources
– Keep containers upright to prevent leakage
