

The Graco CST643 RS Spray Tip is built for high-flow resin and gelcoat applications, delivering wide coverage and consistent performance in demanding FRP systems.
The Graco CST643 spray tip is specifically engineered for RS (Resin Spray) systems used in fibreglass and gelcoat applications. It is not compatible with standard paint sprayers.
The Graco CST643 RS Airless Spray Gun Tip is a high-performance component designed for industrial composite applications. Featuring a 0.043 in orifice and a 12-inch spray pattern width, this tip is ideal for applying thick materials such as resin and gelcoat with precision and efficiency.
Built for demanding environments, it delivers consistent flow rates and wide coverage, making it suitable for high-production fibreglass manufacturing processes.
| Orifice Size | 0.043 inches |
|---|---|
| Spray Pattern | 12 inches fan width |
| Application Type | Resin & Gelcoat (FRP) |
| Tip Type | RS (Resin Spray) Airless Tip |
| Material Compatibility | Thick coatings including fibreglass resins |
This spray tip is commonly used in industries where high-viscosity materials are required to be applied evenly and efficiently:
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