It is weldable, corrosion resistant, and stronger than 5052, but not as formable. The fibre is light, very buoyant, resilient, resistant to water, but very flammable. This is additionally beneficial in reducing the possibility of resistant parasites developing. Natural slate is also fire resistant and energy efficient. Clonidine may be effective for lowering blood pressure in people with resistant hypertension. Adire is a type of Yoruba cloth that is starch resistant. The disease causing PrPSc is proteinase K resistant and insoluble.