Description
The GRACO CST643 is a spray tip designed for use with GRACO RS series chop guns in fiber-reinforced plastic (FRP) applications. It is engineered to deliver precise spray patterns for applying polyester resin and gel-coat materials in open mold processes.
Key Features:
- Spray Tip
- CST643
- Compatible with GRACO RS series chop guns for FRP applications; suitable for use with polyester resin and gel-coat
- Designed for use with external mix chop guns
- Optimized for precise spray patterns in FRP applications
- Tool-less operation and easy maintenance (gun feature)
- Lightweight and ergonomic (gun feature)
Applications:
Used in fiber-reinforced plastic (FRP) manufacturing for applying chopped fiberglass, polyester resin, and gel-coat in open mold processes.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, safety, and longevity of equipment.
- Ensure the spray tip is compatible with the specific GRACO RS chop gun model
- Follow manufacturer guidelines for installation and maintenance
- Regularly inspect and clean the tip to prevent clogging and ensure consistent spray patterns
- Use only recommended fluids and pressures as specified in the equipment manual






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