PART 2
PRODUCTS
2.1
ROOF JOINT SEALANT
Industrial grade, two component, minimum 95 percent solids by volume,
polysulfide type caulking material that has a minimum history of 10 years
acceptable service in fuel tanks. Sealant shall be compatible with the
epoxy primer and suitable for direct application to prepared steel
surfaces. Sealant shall contain no more than 0.06 percent by weight Lead ,
no more than 0.06 percent by weight Cadmium, and no more than 0.00 percent
by weight Chromium.
2.2
COATING SYSTEM
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NOTE: Include bracketed text for new construction
only.
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Alternate systems or products will not be considered. All primer,
intermediate, and topcoat materials shall be manufactured by one
manufacturer. [The entire coating system is intended to be applied in the
field. Alternatively, surface preparation may be accomplished in the shop,
following all temperature, humidity, and testing requirements listed
herein, followed by an application of a hold-primer. Upon completion of
field fabrication, all shop-applied coatings shall be removed, surfaces
prepared to SSPC SP 5, and the specified coating system applied. Adjust
all shop preparation to avoid conflicts with final surface preparation
requirements.]
2.2.1
Epoxy Primer, Intermediate, and Topcoats
The epoxy coating materials shall be approved by the Naval Sea Systems
Command and listed on their current Qualified Products List (QPL) for the
specified materials.
2.2.1.1
Epoxy Primer Coat
Epoxy polyamide, MIL-DTL-24441/29 (Formula 150, Type IV, Green).
2.2.1.2
Epoxy Intermediate Coat
Epoxy polyamide, MIL-DTL-24441/31 (Formula 152, Type IV, White (Tinted)).
Tint to approximately FED-STD-595 color number 27778 parchment using
pigment dispersions prepared for epoxy paint tinting. Manufacturer shall
tint material and appropriately label. All other requirements of this
Military Specification apply.
2.2.1.3
Epoxy Topcoat
Epoxy polyamide, MIL-DTL-24441/31 (Formula 152, Type IV, White).
2.3
COATING SAMPLE COLLECTION AND SHIPPING KIT
Provide a kit that contains one liter quart can for the base of each
coating material, an appropriately sized can for each activator, dipping
cups for each component to be sampled, a shipping box sized for the samples
to to be shipped, and packing material. Mark cans for the appropriate
component. Provide shipping documents, including either pre-paid shipping
or a shipper number that can be used by the Contracting Officer to arrange
SECTION 09973
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