In the real conditions of casting houses there is developed the technology of temperature raise of synthetic or half-synthetic hypoeutectic gray cast iron of cupola heat by 1525 C at insertion into bowl of 0. 25% exothermal additive (EA). consisting of aluminium with iron oxide in proportion 1:3. At that there is guaranteed the production of the high quality castings with characterist... https://herbsdailyes.shop/product-category/proteolytic-enzyme-formulas/