Many people don't know what tinplate is, but in fact, tinplate is a metal material.

Why it is called tinplate? Because a layer of tin is electroplated on the outside of the iron plate. That's the reason that we call it tinplat iron.

Why are aerosol cans almost always made of tinplate?

 

The liquid inside the aerosol can is formed by compressing a certain gas with a gas compressor.

The pressure inside the can is much higher than the outside air pressure, so the aerosol sprays out in the form of a white mist, all of which are nanometer-sized.

If you want to withstand items with high pressure, the rigidity of the aerosol can must be very strong, otherwise it will easily deform or even explode.

Therefore, when choosing packaging for aerosol spray, metal materials must be the most suitable, such as stainless steel or tinplate.

Let's compare stainless steel cans and tinplate cans to see why tinplate is the best metal meterial to making aerosol cans.
As we all know, stainless steel not only has high rigidity but also does not rust!

Its service life is very strong, so it is a good choice for packaging. However, it also has its disadvantages that  is too expensive!

As for the tinplate can, firstly, it is with high rigidity and not rusting. Second, Its elasticity is strong, and it can be molded into various shapes of aerosol cans, such as round cans, square cans, spherical cans, and irregular cans, etc.

Additionally, it can meet all your requirements. Another important point is that in the metal packaging industry, the price of a tin can is very cost effective. Because In the market, the price of iron is cheaper than that of aluminum and stainless steel.

In summary, the advantages of a tin can are: high rigidity, non-transparency, good sealing, no rust, green and environmentally friendly, and recyclable.