assist in the formulating and application of the composition such additives include for example flow additives degassing agents and slip additives such as siloxane the powder coating composition of this invention is prepared by conventional techniques which are well known in the art of formulating powder coatings typically the components of the powder coating are thoroughly blended together and then melt blended in an extruder melt blending is typically carried out in the temperature range of between 140 u00b0 and 180 u00b0 f with careful control of the extrudate temperature to minimize any premature curing of the powder coating formulation in the extruder these extruder temperatures are lower than the typical cure temperatures of the powder coating which may begin initial curing at temperatures as low as 250 u00b0 f the extruded composition usually in sheet form after cooling is then ground in a mill such as a brinkman mill or bantam hammer mill to achieve the desired particle size the heat sensitive wood substrates which are targeted for coating by the powder coating of the present invention are without limitation hardwood particle board medium density fiberboard mdf electrically conductive particle board ecp masonite or any other cellulose based materials wood substrates that are particularly suitable for use in this invention have a moisture content of from 3 to 10 after being cut milled shaped and or formed these wood materials are generally used to make articles such as computer furniture business furniture ready to assemble furniture kitchen cabinets and the like the powder coating compositions of the present invention have very low cure temperature properties these properties provide a powder coating composition which can be readily applied especially by electrostatic spraying onto heat sensitive materials particularly.