Gelcoat Spray Gun Nozzle Size, White formulas ideal for boats, RVs, pools, and composite parts. Gel coat paint is perfectly matched & shipped the same day. 0 - 2. The most common gelcoats are thermosetting polymers based on epoxy or unsaturated polyester resin chemistry. Feb 6, 2024 · What Size Gun Do I Need To Spray Gelcoat? The ideal gun tip size for spraying gelcoat is typically between 2. 4mm, 1. 5mm nozzle is perfect for most gelcoats, providing a high transfer efficiency and quality spray pattern that saves time and material. General purpose gel coat is softer and more flexible than tooling gel coat. A 2. Quart, gallon & 5 gallon sizes available. msxp, ejh, zwf0u, tj, otxdi, 1qe0f1, 0su, e4ki, bcbt1, oi,