Note: please refer to the appropriate technical performance specification, MIL-DTL-53022 and applicable technical documents under the MSDS/Documents Tab.
The MIL-DTL-53022 chromate free epoxy primer covered by this specification is divided into the following types:
Type. The rust inhibiting primer coating will be furnished in the following types as specified. Whenever one of the following coating types is not cited in a relevant contractual document or drawing, select type IV:
Type II – High solids, lead and chromate free formulation to meet a maximum volatile organic compound (VOC) content of 420 grams/liter (g/l)(3.5 pounds/gallon (lbs/gal)) as packaged.
Type III – High solids, lead and chromate free, hazardous air pollutant-free(HAP-free) formulation to meet a maximum VOC content of 340 g/l (2.8 lbs/gal) as packaged.
Type IV- High solids, enhanced corrosion performance, lead and chromate free,HAP-free formulation to meet maximum VOC content of 340 g/l(2.8 lbs/gal) as packaged. The enhanced corrosion performance includes 1,000 hours salt spray and 40 cycles on the cyclic corrosion test.
Type V – Self contained portable kits. The kits contain the type IV corrosion inhibiting epoxy primer in a touch-up system.
The chromate free epoxy primer shall be furnished in 2 components: component A (a pigmented epoxy resin component) in 1 quart, 1 gallon, 4 gallon or 5 gallon primary containers (see 6.2), and component B (catalyst component) in 1/2 pint, 1 quart or 1 gallon primary containers (see 6.2). When mixed four parts by volume of component A to one part by volume of component B, a product meeting the applicable requirements of this specification shall result.