It is an x-ray detectable element for abdominal pads, surgical towels, lap sponges. X-ray detectable slice(radio opac x ray detectable slice) for medical abdominal pads, laparotomy sponge, surgical towels that required to have the x ray detectable elements inside for after-operational safety examination.
Barium sulphate content of 62% or higher that make them visiable under medical x-ray machines.