Product Overview
This Chemtronics CircuitWorks Conformal Coating Remover Pen (CW3500) is a pen for the precise removal of urethane, silicone, and acrylic-based conformal coatings from printed circuit boards. The product is designed as a 9.0 g marker pen with a nib that allows for controlled and precise spot application and rapid evaporation for low surface tension and good wetting.Features and Material Properties
- Design: 9.0 g pen with marker-style dispenser for spot application.
- Appearance: Clear, colorless liquid (stated in technical data sheet).
- Odor: Mild solvent (stated in technical data sheet).
- Evaporation: Rapid evaporation with low surface tension.
- Compatibility: Compatible with most materials used in printed circuit board manufacturing; compatibility should be tested on a non-critical area before use.
Typical Applications
- Can be used in circuit board manufacturing.
- Used for rework and repair.
- Used for prototyping.
Instructions for Use (from manufacturer's technical data sheet)
- Hold the pen vertically and briefly press the tip to start the liquid flow.
- Allow the liquid to act on the conformal coating for 15–20 seconds, rub the area with the pen nib until the coating is removed, then wipe with a suitable wipe.
- Clean the tip after use and replace the tip as needed.
Documentation
Manufacturer's technical data sheets and safety data sheets are available on the product's product page. See data sheet from the manufacturer
Specifications
- Product name: Chemtronics CircuitWorks Conformal Coating Remover Pen (CW3500)
- Packaging: 9.0 g pen
- Works on: Urethane, silicone, and acrylic conformal coatings
- Specific gravity: 0.79 @ 75°F (24°C)
- VOC content: < 15%
- Flash point (TCC): 102°F (39°C)
- Surface tension: 19.2 dynes/cm @ 70.8°F (21.6°C)
- Vapor pressure: <1 (Air = 1)
- Evaporation rate: <1 (Butyl Acetate = 1)
- Solubility in water: Negligible
- Viscosity: >1 (Water = 1)
- Shelf life: 5 years
- RoHS: Compliant
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