MIL-PRF-24613A(SH)
TABLE II. Metals content of deck covering components - Continued.
Thallium
7.0
0.007
Tungsten
100.0
0.100
Vanadium
24.0
0.01
Zinc
250.0
0.25
* Total cobalt content may exceed 0.005 %wt (up to 0.2 %wt) only if a cobalt drier is used to
effect proper drying. Regardless of whether a cobalt drier is used, soluble cobalt content may
not exceed Table I requirements.
3.5.2.3 Hazardous air pollutants (HAPs). The content of the HAPs solvents in any component of the deck
covering system shall not exceed the weight percent (%wt) values listed in Table III. Within these limitations and
the requirement that the finished deck covering meets all performance requirements of 3.5, solvent selection is the
responsibility of the manufacturer. HAP materials are defined by 40 CFR 63.
TABLE III. Hazardous air pollutant solvent content limits.
Hazardous solvent in mixed deck covering or its components
Maximum, %wt
Benzene
0.05
Chlorinated solvent (s), total
0.05
Solvents containing fluorine as defined by 40 CFR 82
0.01
Ethyl benzene
0.05
Methyl, Ethyl, and Butyl mono-ethers of ethylene glycol or the
0.05
acetates thereof, total (also known as methyl, ethyl, and butyl
cello solves and methyl, ethyl, and butyl cello solve acetates)
Methyl ethyl ketone (MEK)
0.05
Methyl isobutyl ketone (MIBK)
0.05
Toluene
0.05
Xylene (all forms), total
0.1
3.5.2.4 Volatile organic content (VOC). The VOC of any deck covering system component shall not exceed
250 grams per liter (2.08 lb/gal). The VOC of Class 4 materials shall be zero grams per liter (0 lb/gal) when
measured per 4.5.2.4.
3.5.2.5 Solvents and thinners. Thinning of VOC compliant deck covering is not allowed. The deck covering
system components shall be able to be adequately mixed by hand and applied by trowel to the deck at any
temperature above 50 °F without the addition of thinning agents.
3.5.3 Flash point. The flash point of the deck covering or any component shall not be less than 38 ºC (100 ºF).
3.5.4 Weight. After the deck covering has fully cured, the material shall not exceed the following maximum
weight limits:
All Types and Grades:
a.
Class 1: 1.75 pounds per square foot (lb/sf) at a thickness of 0.25 inch.
b.
Class 2: 1.5 lbs/sf at a thickness of 0.25 inch.
c.
Class 3: 2.5 lbs/sf at a thickness of 0.25 inch.
d.
Class 4: 1.5 lbs/sf at a thickness of 0.25 inch.
3.5.5 Resistance to impact. The deck covering materials shall not show visible signs of chipping, cracking, or
detachment from the steel plate. There shall be not more than 0.0625 inch of permanent indentation for Classes 1, 2,
and 3 deck coverings, and not more than 0.03125 inch of permanent indentation for Class 4 products.
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