Flash Point Determination. The flash point of a liquid is the lowest temperature at which sufficient vapor is evolved to form a flammable mixture in air at standard atmospheric pressure. The flash point provides a simple, convenient index for assessing the flammability of a wide variety of materials. Chilworth generally measures flash points in accordance with American Society for Testing and Materials (ASTM) Method D93-94 using the Pensky-Martens Closed Cup apparatus.
Roast the turkey breast for 1 3/4 hours to 2 hours, depending on your oven and the size of a roast. A meat thermometer inserted into the middle of the breast should read 170 degrees F. when done.
Turkey breast that weighs about 3.5 pounds can cook for about one hour. The turkey breast should be cooked at a temperature of 325 degrees.