X-OMAT BT Film / 4530 is a full-speed, blue-sensitive medical x-ray screen film that is intended for general radiography. This film is coated on blue, 7-mil ESTAR Base with a base density of approximately 0.18. X-OMAT BT Film features T-GRAIN emulsion technology that reduces the amount of screen-light crossover, resulting in improved image sharpness. It is designed for standard cycle machine processing.