Ⅰ:Hard anodized aluminyo
I.A.A: Ano ang hard anodized aluminyo?
Mahirap na pag anod, kilala rin bilang hard coating o Type III anodizing, ay isang proseso na ginagamit upang lumikha ng isang mahirap na pagsusuot, kaagnasan lumalaban patong sa isang iba't ibang mga metal.
I.-B: Ano ang mga uri ng hard anodized al sheet?
Ang pag anod ay maaaring masira sa dalawang malawak na sub kategorya: decorative and hard anodizing. The main differences between the two are how thick and durable the coating is, and the exact process used to create it.
II.:Hard anodized al production process principle
Hard-anodization of aluminum is brought about by placing the metal in an acid (Sulpuriko acid) and exposing it to an electrical charge. With the help of an electro-chemical process, aluminum gets hardened. Kalaunan, you get hard anodized aluminum. This type of aluminum is used to make cookware. It hardly has any pores and it has twice the hardness of stainless steel. Kaya, you can use hard anodized cookware for cooking. The material prevents sticking of food to the pan and you may cook for long durations in these pans.
The production video is as follows：