Why Use Aluminum? Read To Know More!

Why Use Aluminum? Read To Know More!

On May 18th 2021 by admin

Aluminum metal is a great conductor of heat which makes it a perfect choice for cookware. The thermal conductivity of all metals is measured in w/m.k that is watts per meter-kelvin. Aluminum metal has a thermal conductivity that is more than 16 times that of stainless steel.

It means that Aluminum metal will heat up quickly and 16 times faster than other stainless steel pots!

Aluminum metal is also the third most abundant metal element in nature. It means aluminum cookware is usually affordable. Advantageous, it’s lightweight.  It’s no wonder people favor anodized aluminum sheet cookware over all others.

What Problems Do You Face With Aluminum?

Aluminum metal reacts with acidic food, which grounds the metal to leach into the food. You can find that most of the aluminum sheet cookware is available as coated with a non-stick layer or anodized.

What Do You Know About Anodized Aluminum?

If you leave the aluminum metal exposed to the air, it can indeed form a thin layer of aluminum oxide on the surface. However, this layer is fragile, solid, and complex. It prevents the metal from more oxidation by forming a barrier between the aluminum metal and the air. Scientists call the process passivation, meaning it creates the metal passive vs. reactive.

Both stones, sapphires, and rubies are gems made of aluminum oxide but different colors. Due to its hardness, people use aluminum oxide as a commercial abrasive.

To make the aluminum oxide layer thicker, the metal is open to an electrochemical process called anodization. It forms a thicker layer of non-reactive aluminum oxide, creating famous as anodized or hard-anodized aluminum.

Is Anodized Aluminum Similar To Hard-Anodized Aluminum?

While both types imply a layer of aluminum oxide on the metal surface, there is a difference. In simple terms, Hard anodized aluminum is an even thicker layer of aluminum oxide than regular anodized aluminum. The resulting aluminum metal has twice the strength of stainless steel, and it is durable, non-reactive, and resistant to abrasion and corrosion.

Can Hard-Anodized Aluminum Peel Off?

The aluminum oxide layer in anodized aluminum is not painted or a coating, but the manufacturers fuse it entirely into the base metal. It means that you cannot peel it away or chip it off.

By some explanations, it is also almost hard like a diamond. That’s why it does a great job of preventing scratches and revealing the aluminum core inside.

What Is The Difference Between Hard Aluminum Anodized And Non-Stick?

Hard aluminum anodized cookware is ready with aluminum that has been anodized to create a rigid, durable layer. It can or cannot have a non-stick coating on it.

Calphalon in 1968 developed anodized aluminum initially for professional chefs. He created it in response to the demanding necessities of chefs in professional kitchens. However, this aluminum product is no longer available and replaced with traditional non-stick coated cookware.

Non-stick anodized aluminum sheet cookware is aluminum cookware with a non-stick coating. The non-stick coating is PTFE based, i.e., as Teflon or Ceramic based. It can or cannot hard-anodized aluminum

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