MIL-PRF-18458C
3.2.1.3 Prohibited materials. The product shall not contain any 2,6-
di-t-butylphenol, chlorinated compounds, or hydrolyzable chlorine derivatives.
All derivatives or salts of barium, strontium, lead, and chromium, including
chromates or dichromates, are also prohibited.
3.2.1.4 Other chemicals targeted by EPA. The grease shall not contain
polychlorinated biphenyls (PCBs) in concentrations equal to or exceeding 50
parts per million (40 CFR 761); and other materials in concentrations that
exceed 1.0% by weight including cyanide, and cyanide compounds, methyl ethyl
ketone, methyl isobutyl ketone, and xylene (all isomers).
3.2.1.5 Hazardous waste. The greases shall not meet the definition of
a hazardous waste as defined by the Resource Conservation and Recovery Act (40
CFR 261).
3.2.2 Recycled, recovered, or environmentally preferable materials.
Recycled, recovered, or environmentally preferable materials should be used to
the maximum extent possible, provided that the material meets or exceeds the
operational and maintenance requirements and promotes economically
advantageous life cycle costs.
3.3
Chemical and physical properties. Type I grease shall have the
chemical and physical properties shown in Table I. Type II grease shall meet
all the requirements of Type I grease and also the environmental requirements
of Table II.
3.4 Toxicity. The grease shall have no adverse effect on the health of
personnel when used for its intended purpose. (See 6.1 and 6.5).
TABLE I.
Chemical and physical requirements and test methods for Type I and
Type II.
See section
Non-
FED-STD-
4-paragraph
government
Characteristics
Requirement
791
number
method no.
method no.
Worked penetration
200-350 range
ASTM D 217
10 maximum
Oil separation (%)
321 1/
Load wear index
30 minimum
ASTM D 2596
Salt spray
Pass
4001
4.4.2
ASTM G 152,
Accelerated weathering
Pass
4.4.3
153
Low temperature
Pass
4.4.4
flexibility
Volatile matter (%)
2.0 maximum
4.4.5
Adhesiveness (%)
95 minimum
4.4.6
1/ Test shall be conducted at 65.5°C (150°F) for 50 hours duration.
5
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business