Description
The GRACO 258852 RS External Mix Chop Gun is a lightweight, ergonomic spray gun designed for use with polyester resin and gel-coat materials in FRP (Fiber Reinforced Plastic) systems. It is intended for efficient application of chopped fiberglass and resin in composite manufacturing processes.
Key Features:
- Chop Gun (External Mix)
- RS
- Maximum Air Pressure: 125 psi (8.6 bar); Maximum Fluid Pressure: 2000 psi (138 bar); Maximum Fluid Temperature: 100F (38C)
- Polyester resin, gel-coat; For use with FRP systems
- Lighter, ergonomic design reduces operator fatigue
- Quick adjustment of anvil tension to correct cut variations due to anvil and blade wear
- Locking trigger for safety and control
- Includes CST443 tip
- External mix type for reliable material application
Applications:
Used for applying chopped fiberglass and resin in composite manufacturing, particularly in FRP (Fiber Reinforced Plastic) systems.
Installation Notes:
- Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the spray system.
- Ensure all connections are secure before operation
- Check air and fluid pressure settings before use
- Regularly inspect and maintain anvil and blade components for consistent performance
- Refer to the GRACO manual for detailed installation and maintenance procedures






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