MIL-PRF-22750 (MIL-PRF-22750G)
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MIL-PRF-22750 TY I, Cl H, Gr A. Is a High Solids, two components Bisphenol-A Epoxy formulation. Standard formulation with a maximum volatile organic compound (VOC) content of 340 grams/liter (g/l) (2.8 pounds/gallon (lbs/gal)) as packaged. For Navy and Army equipment requiring weather resistance.
MIL-PRF-22750 TY II, Cl H, Gr A. This volatile organic hazardous air pollutants-free (VOHAP-free) formulation meets maximum VOC content of 340 g/l (2.8 lbs/gal) as packaged. For Navy and Army equipment requiring weather resistance.
MIL-PRF-22750G Specification, Types, & Classes
This specification covers the requirements for a two component, high solids epoxy coating. This coating is free of all inorganic hazardous air pollutants (HAPS), including compounds of lead and chromium. The coating is supplied as a kit.
Classification. The coating covered by this specification is divided into the following types and classes
Types The types of coatings are as follows:
- Type I – Standard formulation with a maximum volatile organic compound (VOC)content of 340 grams/liter as packaged.
- Type II – Volatile organic hazardous air pollutants-free (VOHAP-free) formulation to meet maximum VOC content of 340 g/l as packaged.
- Type III – Direct to metal, VOHAP-free formulation to meet maximum VOC content of 340 g/l (2.8 lbs/gal) as packaged. As a direct to metal, this coating will have enhanced corrosion performance including 1,000 hours salt spray and 40 cycles on the cyclic corrosion test. This type is only available in semi-gloss and lusterless colors.
- Type IV -Self contained portable kits to include, but not limited to, brush, roller and cartridge application. The kits contain the type II or III epoxy coating.
Classes The classes of coatings are as follows:
- Class H – High-solids, solvent based formulation
- Class W – Water-borne formulation
Grades The grades of the coatings are as follows:
- Grade A – For Navy and Army equipment requiring weather resistance. Grade A approved products can also be used as a grade B material.
- Grade B – For the interior of tactical equipment not requiring weather resistance.
Revisions to the spec of MIL-PRF-22750
Current Revision: MIL-PRF-22750G
Superseded Revisions: MIL-PRF-22750H, MIL-PRF-22750F, MIL-PRF-22750, MIL-C-22750, MIL-C-22750D, MIL-C-22750E
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