DIY : Edge Coat 1. Types of Edge Coat – Jinwan Bae – Medium

If you leave the leather cross section in cut condition, epidermis and dermis of the leather is visible. This is not aesthetically good and durability can be reduced by frictions in everyday life.

So we need to coat the cross section. If we add colors here, durability as well as aesthetics can be increased.

This is why we apply edge coat.

Chemicals of edge coat are very diverse by its nature and manufacturer.

You can use acrylic type for the vegetable leather and urethane type for the chrome leather.

Of course, you can use urethane type for vegetable and acrylic type for chrome. But if you apply acrylic type for chrome leather, it penetrates well in the leather.

Edge coat is divided into gloss and matte one.

And some edge coat is shiny as if it contains the pearl.

It is better to use urethane type for soft leather and acrylic type for hard one.

Edge coats vary greatly from manufacturers.

Some are watery and others are a bit thick.

Since there are so many types, there is no correct answer for the questions whether which edge coat is better.

The one which is evaluated as good for someone can’t be a good for the others with low workability. And it can’t be suitable for certain leather.

So I recommend you to actually use various products on various types of leather. And I hope you can find the one that is suitable for you or that you desire.

In addition, sometimes the cross section of leather can be dyed unlike just applying the chemicals on the surface like edge coat.

That is, there is no effect of coating on the cross section. It just shows the color.

This method is used a lot in Japan.

Since the coating may have the sense of use and it can be torn off as times goes by, it is better to dye the leather.

But, durability is weak only by dyeing. So it is good to coat transparently again with wax on it.

I usually use this dyeing method for hard vegetable type leather.

But the colors do not vary and sometimes it doesn’t look good if the cutting surface is not neat. Edge coat covers the section difference of leather surface to some extent, but dyeing is not. So there are also disadvantages that the section difference of the cross section is exposed as it is.

I have applied several manufacturers’ edge coat on somewhat soft chrome black leather.

You’d better to check in advance by applying the edge coat on the sample leather you will use.

It is quite annoying, but you might find a good combination by chance.

An additional tip is that if you use sandpaper in the soft chrome leather, fluff can be made on the leather. In this case, you can apply the edge coat while organizing the leather surface with wide heated iron.

You may use the tip called spatula among the creaser tools.

Test the various edge coats on the leather you want to use.

From the left, they are acrylic type, dye and all others are urethane type.

Even the same manufacturer gives a different impression depending on the presence or absence of gloss and color.

Japanese Iris, Japanese Craft, Italian Giardino and gloss and matte of Italian Fenice was used for test this time.

Lastly, I think well applied edge coat has harmonious color with the leather and the applied surface is smooth without any texture, having gloss to the light.

We can think that the product level is high when we see the edge coat that is glittery and smooth like glass bead.

So you can check whether the edge coat is well applied to judge whether it is well made product or not.

Unlike the low-priced edge coat that is thick and rough, and can be torn off easily, edge coat applied by hand several times repeatedly and sophisticatedly is excellent in durability and appearance.

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