

The Graco CST531 0.031 in RS Airless Spray Tip is designed for precise application of gel coat and resin, delivering a consistent 10-inch spray pattern for industrial composite work.
The Graco CST531 0.031 in Orifice RS Airless Spray Gun Tip with 10 in Pattern Width is specifically designed for specialised composite spray systems using RS-type guns.
The Graco CST531 is a high-performance RS airless spray gun tip engineered for precise application of thick materials such as gel coat and resin. With a 0.031 inch orifice and a consistent 10-inch spray pattern width, it ensures smooth, even coverage in demanding industrial environments.
This tip is part of Graco’s CST (Composite Spray Tip) range, making it ideal for fibreglass fabrication, marine production, and other composite manufacturing processes where accuracy and durability are essential.
| Orifice Size | 0.031 inch (0.79 mm) |
| Spray Pattern Width | Approx. 10 inches |
| Application Type | Airless (RS system) |
| Material Compatibility | Gel coat, resin, fibreglass materials |
| Series | CST (Composite Spray Tip) |
Designed for industrial-grade performance, the CST531 spray tip provides a controlled fan pattern that reduces overspray while improving finish consistency. It is especially effective for high-viscosity coatings where standard spray tips may struggle.
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