TT-P-645 Paint, Alkyd Type, Formula Number 84This specification covers an anticorrosive paint for general purpose applications to steel and aluminum. The paint contains a maximum of 250 grams of volatile organic compounds VOC per liter 2.08 pounds of VOC per gallon. This paint is to be used as supplied with no thinning.

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TT-P-645C

ASTM F718 - Standard Specification for Shipbuilders and Marine Paints and Coatings

Product/Procedure Data Sheet

(Copies of these documents are available from ASTM International, 100 Barr Harbor Dr., P.O. Box C700, West

Conshohocken, PA 19428-2959 or online at www.astm.org .) SOCIETY FOR PROTECTIVE COATINGS (SSPC)

SSPC-SP 10 - Near-White Blast Cleaning

(Copies of this document are available from SSPC Publication Sales, 40 24th Street, 6th Floor, Pittsburgh, PA

15222-4656 or online at www.sspc.org .)

3. REQUIREMENTS

3.1 Formula. The paint shall consist of the alkyd resin, pigments, extender pigments, and solvents conforming to

the table I requirements which, when combined in the proportions shown in table I, shall result in a paint conforming to the requirements of the applicable paragraphs of this specification.

3.1.1 Formula no. 84. The formula in table I is designated Navy Standard Formula No. 84. When Formula No. 84 is specified, or when this specification is referenced without reference to formula number, the paint shall conform to the requirements of this section. Manufacturers may use alternate ingredients as long as the alternate ingredients are specifically approved by NAVSEA and the paint is shown to meet all the requirements by first article testing (see

4.2) and conformance testing (see 4.2 and 4.3). Conformance testing may be conducted by the Government at any time to verify that the product being acquired meets the requirements of the specification.

3.1.1.1 First article inspection. When first article testing is required, the paint shall be required to meet all the requirements of this specification (see 4.2 and 6.4).

3.1.2 Composition. The paint shall consist of the ingredients listed in table I and its footnotes in the proportions shown in table I and table II. In addition, to assist in meeting drying times, brushing, condition in container, and storage stability requirements, the amounts of driers, antisettling, antisagging, and antiskinning agents may be varied as necessary to meet the other requirements of this specification.