Replace "Reserved" in section 59-2.03C(3) of the RSS for section 59-2.03C with: Moisture-cured polyurethane coating systems must comply with the requirements shown in the following table: Moisture-Cured Polyurethane Coating System Requirements Surface Description Coating Dry film thickness (mils) Surfaces cleaned Single-component, zinc-rich 1st undercoat 3–4 to bare metala moisture-cured polyurethane Single-component, 2nd undercoat micaceous iron oxide–filled 3–4 moisture-cured polyurethane Single-component, Finish coat aliphatic, 2–3 polyurethane Total thickness, all 8–11 coats Existing painted Single-component, surfaces to be Undercoat micaceous iron oxide–filled 3–4 topcoated: moisture-cured polyurethane Single-component, Finish coat aliphatic, 2–3 polyurethane Total thickness, all 5–7 coats aIncludes locations of spot blast cleaning The undercoats and finish coat must be from the same manufacturer. You may thin moisture-cured polyurethane under the manufacturer's instructions. Moisture-cured polyurethane may entrap bubbles within the coating film when applied at excessive film thicknesses. Repair or remove and replace coating that exhibits bubbling. The finish coat must match color no. 14090 of FED-STD-595.
Replace "Reserved" in section 59-2.03C(3) of the RSS for section 59-2.03C with: Moisture-cured polyurethane coating systems must comply with the requirements shown in the following table: Moisture-Cured Polyurethane Coating System Requirements Surface Description Coating Dry film thickness (mils) Surfaces cleaned to bare metala 1st undercoat Single-component, zinc-rich moisture-cured polyurethane 3–4 2nd undercoat Single-component, micaceous iron oxide–filled moisture-cured polyurethane 3–4 Finish coat Single-component, aliphatic, polyurethane 2–3 Total thickness, all coats 8–11 Existing painted surfaces to be topcoated: Undercoat Single-component, micaceous iron oxide–filled moisture-cured polyurethane 3–4 Finish coat Single-component, aliphatic, polyurethane 2–3 Total thickness, all coats 5–7 aIncludes locations of spot blast cleaning The undercoats and finish coat must be from the same manufacturer. You may thin moisture-cured polyurethane under the manufacturer's instructions. Moisture-cured polyurethane may entrap bubbles within the coating film when applied at excessive film thicknesses. Repair or remove and replace coating that exhibits bubbling. The finish coat must match color no. 14090 of FED-STD-595.
59-2.03C(3)_A01-15-16.docx