Base Coat Painting

<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> <table cellpadding=0 cellspacing=0 border=0 height="100%"><tr> <td valign="top" width=200 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> <A HREF="id44.htm" TARGET="_top" TITLE="Painting Basics"><U>Painting Basics</U></A></div> <div> <A HREF="id62.htm" TARGET="_top" TITLE="Inspection and Planning"><U>Inspection and Planning</U></A></div> <div> <A HREF="id45.htm" TARGET="_top" TITLE="Control Surface Preparation"><U>Control Surface Preparation</U></A></div> <div> <A HREF="id46.htm" TARGET="_top" TITLE="Preparation for Stripping"><U>Preparation for Stripping</U></A></div> <div> <A HREF="id47.htm" TARGET="_top" TITLE="Stripper Application"><U>Stripper Application</U></A></div> <div> <A HREF="id48.htm" TARGET="_top" TITLE="Stripping Cautions"><U>Stripping Cautions</U></A></div> <div> <A HREF="id49.htm" TARGET="_top" TITLE="Hand Sanding"><U>Hand - Sanding</U></A></div> <div> <A HREF="id50.htm" TARGET="_top" TITLE="Post Stripping Inspection"><U>Post - Stripping Inspection</U></A></div> <div> <A HREF="id51.htm" TARGET="_top" TITLE="Basic Body Work"><U>Basic Body Work</U></A></div> <div> <A HREF="id52.htm" TARGET="_top" TITLE="Etch and Alodine"><U>Etch and Alodine</U></A></div> <div> <A HREF="id53.htm" TARGET="_top" TITLE="Surface Preparation"><U>Surface Preparation</U></A></div> <div> <A HREF="id54.htm" TARGET="_top" TITLE="Primer Application"><U>Primer Application</U></A></div> <div> <A HREF="id55.htm" TARGET="_top" TITLE="The Royal Treatment"><U>"The Royal Treatment"</U></A></div> <div> <B>Base Coat Painting</B></div> <div> <A HREF="id57.htm" TARGET="_top" TITLE="Paint Application"><U>Paint Application</U></A></div> <div> <A HREF="id58.htm" TARGET="_top" TITLE="Inspection"><U>Inspection</U></A></div> <div> <A HREF="id59.htm" TARGET="_top" TITLE="ReAssembly"><U>Re-Assembly</U></A></div> <div> <A HREF="id60.htm" TARGET="_top" TITLE="Painting Problems"><U>Painting Problems</U></A></div> <div> <A HREF="id61.htm" TARGET="_top" TITLE="Care of New Paint"><U>Care of New Paint</U></A></div> <bR> </td> <td valign="top" BGCOLOR="#FFFFFF" TEXT="#080000"> <div> <FONT SIZE="5" COLOR="#000000" FACE="Arial" ><B>Royal Aircraft Services</B></FONT>     |     <A HREF="index.htm" TARGET="_top" TITLE="Royal Aircraft Services"><U>home</U></A></div> <div> Base Coat Painting</div> <bR> <div> <B>As with the primer, the base coat can only be applied if the air, the paint and catalyst, and surface temperature of the aircraft is above 50</B><FONT SIZE="3" COLOR="#0000CC" FACE="Tahoma" ><B>°</B></FONT><B> F (10 </B><FONT SIZE="3" COLOR="#0000CC" FACE="Tahoma" ><B>°</B></FONT><B> C) and the surface temperature is at least 5 </B><FONT SIZE="3" COLOR="#0000CC" FACE="Tahoma" ><B>°</B></FONT><B> F (3 </B><FONT SIZE="3" COLOR="#0000CC" FACE="Tahoma" ><B>°</B></FONT><B> C) above the dew point. </B></div> <bR> <DIV ALIGN="LEFT"></DIV> <div> <B>It is essential that no more than 72 hours elapse between the application of the primer and the base coat.</B></div> <div> <B> </B></div> <div> <B>The bond between the primer and the base coat depends upon a chemical reaction between the two products.  After 72 hours the primer becomes chemically inactive and this bond will not occur. </B></div> <bR> <div> <B>Without the chemical adhesion between the primer and base coat, over time the paint will begin to flake off the leading edges and other surfaces that are exposed to abrasive action.</B></div> <div> <B><IMG SRC="26194870.png" border=0 width="660" height="391" ALT="Bitmap Image" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></B></div> <div> <A HREF="id57.htm" TARGET="_top" TITLE="Paint Application"><U><B>NEXT  <img src="HTMLobj-639/aniGif.gif" border="0" align="bottom" width="38" height="22">  </B></U></A></div> <bR> <bR> </td> </tr></table></body>