Today we talk about the grain size of lead oxide.

As it should be, and in addition to the grain size, what is the other fundamental parameter to have perfect adhesion between the grid and the paste.

Today we talk about grain size, apparent density and much more

Let’s start with theory.

The first difference is between the particle size distribution of a ball mill and Barton.

The average diameter of ball mills oxide is smaller than the diameter of barton oxide.

This gives the ball mill process a higher acid reactivity and absorption

Here is the graph of the grain size distribution of MOP oxide.

What is the uniqueness of MOP oxide compared to others?

A MOP mill GUARANTEES a grain size of less than 44 microns.

The grain size concistency of the MOP ball mill is fundamental

Another important factor is the bulk density

The bulk density of a MOP oxide is between 1 and 1.4 g/cm3

But the real secret is the molecular structure of M O P lead oxide: it is ONLY 100% tetragonal.

Why is this?

Because thanks to tetragonal oxide there will be a perfect and strong adhesion between the grid and the active material.

This means:

high cranking power and guaranteed battery life

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I am Francesco Marfisi from CAM – THE lead oxide specialists

see you in the next episode

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