The GRACO CST321 is a composite spray tip designed for use with FRP (Fiber-Reinforced Plastic) chop guns, such as the RS series. It is intended to deliver a controlled spray pattern for applying polyester resin and gel-coat in open mold fiberglass applications. The tip is constructed for compatibility with GRACO’s RS chop gun systems.

Key Features:

• Composite Spray Tip
• CST321 (321 pattern code)
• GRACO RS Chop Gun, FRP (Fiber-Reinforced Plastic) systems
• Designed for use with GRACO RS chop guns
• Precision spray pattern for resin and gel-coat application
• Part of a range of composite spray tips for various pattern widths
• Easy to replace and maintain

Applications:
Used in open mold fiberglass applications for applying polyester resin and gel-coat with chopped fiberglass reinforcement. Suitable for industrial, marine, automotive, and construction sectors where FRP is utilized.

Installation Notes:

• Using genuine GRACO tips ensures optimal spray performance, equipment longevity, and safety. Non-genuine parts may affect spray quality and system reliability.
• Ensure the system is depressurized before replacing the tip
• Align the tip correctly with the gun body for proper spray pattern
• Regularly inspect and clean the tip to prevent clogging and ensure consistent performance
• Refer to the GRACO RS chop gun manual for specific installation instructions