Test Report for 7820-71737 Mil Spec Primer 53022

U.S. Army Research Laboratory
Coatings Team
RDRL-WMM-C
BLDG. 4600, Deer Creek Loop
Aberdeen Proving Ground, MD 21005-5069

Laboratory report of tests on MIL-P-0053022C, primer, epoxy coating, corrosion inhibiting, lead and chomate free

 

Submitted by: TCI Report No.: 10E01
Color: No darker than 26622           MGF. Code No.: 7820-71737
Recommendation: Pass Purpose of Test: EPP

 

**Mixed Primer, Qualitative**      Paragraph   
1. Specular Gloss, 60° 66.3/OK  
2. Color OK, no darker than #26622       3.2
3. Adhesion 5B/OK 3.5.5
4. Knife Test OK 3.5.6
5. Flexibility OK 3.5.7
6. Water Resistance   3.5.8
A. Upon Removal OK  
B. After 2 Hours OK  
C. After 24 Hours OK  
7. Hydrocarbon Resistance   3.5.9
A. Upon Removal OK  
B. After 2 Hours OK  
8. Salt Spray Resistance OK 3.5.10
9. Topcoating   3.5.11
A. 15 Minutes OK  
B. 24 Hours OK  
10. Weather Resistance OK 3.5.12
11. STB Resistance OK 3.5.13
12. Toxic Ingredients (MSDS)    OK 3.5.14
13. Carc Testing OK  

 

Remarks:

  • Knife very hard to start
  • Flexibility - clean at bend, no evidence of cracking or flaking
  • Water/JP8 - no change in adhesion, gloss, or pencil hardness after 24 hour recover
  • STP - No blisters, no color change
  • Powder coat
  • Zero VOC
  • Pass as EPP until powder coat spec released
  • Tested by/Date: Daniel Pope, 19 Jan 2010

 

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