| Underwriters Laboratories, Inc.® | Approved as non-flammable
Classified in accordance with ANSI/NSF Standard 61 for drinking water |
| NASA | On approved list for liquid oxygen compatibility |
| Oxygen Compatability Source Book | Approved as a thread sealant for oxygen |
| Department of Health & Human Services, Food and Drug Administration | Approved as a pipe sealant |
| United States Department of Agriculture | Acceptable as a pipe joint compound in official establishments operating under the Federal meat and poultry products inspection program. |
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| Contract Numbers |
G.S.A. Mil Spec United States Army United States Navy New York City
| R-2-58-32 A-907D 8030-616-7694 8030-274-4170 8-44-SM
|