1 Is there any component control of the raw materials of the supplier? What is the iron content? (See below 0.7)
2 Is the purity of aluminum guaranteed?
3 Is the secondary material (sluice material) used too much and does not perform the slag removal action?
4 In the production process, too much waste slag bag is added to the aluminum liquid. When pouring, it is poured together with the oxide scale.
5 Does the company have a secondary use ratio of controlled waste materials? How to implement it? Who checks?
6 Can I add waste to the aluminum solution of important customer products?
7 Try changing the ratio of new material to recycled material?
8 Is the charge clean?