Stool Culture. Test Overview. A stool culture is a test on a stool sample to find germs (such as bacteria or a fungus) that can cause an infection. A sample of stool is added to a substance that promotes the growth of germs. If no germs grow, the culture is negative. If germs that can cause infection grow, the culture is positive.
color and is used for irrigation, water handling and other relatively low pressure jobs. Schedule 80 PVC is. usually dark gray in color (though it can come in other colors) and is primarily used in more heavyâduty. applications like industrial and institutional settings.
It can be used in many of the same applications as acrylic when impact strength is a factor. Some common uses are as safety shields and enclosures, sight glasses and chair mats. PVC Polyvinyl Chloride. PVC sheet is medium impact, high corrosion resistant material, ideally suited where chemical resistance is necessary.VDF Polyvinylidene Fluoride PVDF, manufactured under the names of Kynar and Hylar, is a high performance thermoplastic that combines great mechanical strength and high abrasion resistance with a broad temperature range. It is highly resistant to most environmental conditions and corrosive materials.