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
Get Account Level Pricing!
Contact us to set up your account and access exclusive rates now!