Mat Properties. The catalytic converter shell has to be designed in such a way as to provide the required mounting pressure for a given catalyst substrate and a given mat. The mounting pressure of the mat increases exponentially during the compression from its initial bulk density to the final target density.
Sometimes a severely bloated stomach â along with constipation, nausea and vomiting â is due to a bowel obstruction, which is caused by scar tissue or a tumor. When these grow and press against the bowel, the bowels become blocked and hold in fluid and stool.
1 Overeating is probably the most common cause of bloating. 2  Smaller portions should ease the pain. 3  Eating rich and fatty food can make you feel uncomfortably stuffed. 4  Fat takes longer to digest than protein or carbohydrates, so it keeps the stomach full longer.eep Bloating at Bay. Here are three common causes of bloating, and how you can avoid them. 1  Overeating is probably the most common cause of bloating. 2  Smaller portions should ease the pain. 3  Eating rich and fatty food can make you feel uncomfortably stuffed.