Product details:

POR-15 40401, Solvent, Gallon 1 U.S. Gallon; Former known as: SVG Solvent; The POR-15 40401, Solvent is specially formulated for easy cleanup or thinning of the POR-15 Rust Preventive Paint. This was developed precisely for thinning POR-15 and is the only appropriate solvent to use to apply by spraying. It's also great for clean-up but only before POR-15 has cured. Once it is cured common solvents won't penetrate it.
Brand:POR-15
Manufacturer Part Number:POR40401
Manufacturer:POR-15
Assembled Product Weight:7.54 Pounds
Assembled Product Dimensions (L x W x H):4.60 x 7.15 x 11.70 Inches