• Home
  • Download PDF
  • Order CD-ROM
  • Order in Print
POWER  TOOL  SAFETY  PRECAUTIONS
WHAT NOT TO PAINT - 12018_615

Basic Military Requirements (BMR) - Requirement for military advancement
Page Navigation
  593    594    595    596    597  598  599    600    601    602    603  
The vehicle is the liquid portion in a paint. It wets the surface being painted, penetrates into the pores, and ensures adhesion. Until recently, the base of most paints was oil, such as linseed oil, but few paints today contain oils.  Some  have  vehicles  of  processed  oils  in combination with synthetic resins; others have vinyl chlorinated bases that are quick drying. To add to the drying properties of paint, certain metallic compounds, called   driers, are added to the paint. When mixed with oil, they act as conveyers of oxygen, which they take from the air and add to the oil, speeding up the drying process. Thinners   are used for thinning the paint to the proper degree for spraying, brushing, or rolling. They also increase the penetration of the paint into the surface and cut down the gloss. Too much thinner affects the durability  of  the  paint.  The  most  common  type  of thinner is made of mineral spirits, but the proper type to use depends on the paint base.  Never use diesel oil or kerosene to thin paint. Types of Paint Paints are of many different kinds, and the Navy constantly works and experiments to improve them. As a result, you are provided the best paints available for the type of surface to be covered. Most Navy paints are named according to color and/or use, such as  exterior  gray  deck  and  pretreatment  coating (primers). PRIMERS.—Primers are base coats of paint that stick  firmly  to  bare  woods  and  metals,  providing  a smooth surface for finishing coats. They also serve to seal  the  pores,  and  those  applied  on  steel  are  rust inhibitors as well. A minimum of two coats of primer should always be used after the surface is cleaned down to the bare metal.  A  third  coat  should  be  added  at  all  outside corners and edges. At least 8 hours of drying time should be allowed between primer coats. SYNTHETIC  PAINTS.—Synthetic  resin coatings,  such  as  epoxies,  urethanes,  and  inorganic zinc, are used for areas subject to severe service or exposure, such as bilges, tanks, and decks. The base coating is mixed with a converter (hardener) to cure or harden the paint film. EXTERIOR PAINTS.—Vertical surfaces above the upper limit of the boot topping (waterline area, painted  black)  are  given  two  coats  of  haze  gray. Horizontal surfaces are painted with exterior deck gray (darker than haze gray) except the underside of deck overhangs, which are painted white. A nonskid deck paint is used on main walkways, flight  decks,  and  hangar  decks.  It  contains  a  small amount of pumice, which helps to give a better footing. Top-hamper areas subject to discoloration from smoke and stack gases and the tops of stacks are painted black. INTERIOR PAINTS.—Depending on the use of individual compartments, several colors are authorized or  prescribed  for  interior  bulkheads,  decks,  and overheads. The choice of colors for berthing, messing, and recreation spaces usually is left to the individual ship. All  other  shipboard  spaces  are  painted  the  color prescribed by the Naval Sea Systems Command. Deck paint colors, for example, are dark green in the ward- room  and  officers’  quarters,  dark  red  in  machinery spaces,  and  light  gray  in  enlisted  personnel  living spaces. Some  common  bulkhead  colors  are  green  for offices,  radio  rooms,  the  pilothouse,  and  medical spaces; gray for the flag plot, the combat information center, and the sonar control room; and white for store- rooms and sanitary and commissary spaces. Overhead colors are either the same as the bulkhead or white. 18-13 Student Notes:







Western Governors University

Privacy Statement
Press Release
Contact

© Copyright Integrated Publishing, Inc.. All Rights Reserved. Design by Strategico.