zen hand drawing

Washing(Mizumoto)-taking away glues and extra dyes

Now, it’s time to paint patterns or add gold after steaming part is done.

mmm…I’m afraid that we are not starting painting yet.

There is one more process that we have to go through before we paint.
That’s washing which is called “Mizumoto” in Japanese.

We used to wash cloths in the river such as the Kamo river, Horikawa river and Katsura river in Kyoto.
But it’s been banned to wash off glues or dyes in the river due to Water Pollution Control Law since 1971.
Washing pool
Today, the clothes are washed in those artificial river like a pool.
This is about a couple meters in width and 10 meters in length.

Why do you wash?

That’s because water washes off glues and extra dyes.

Removing glues

We put glues on silk before dyed the background color.

As we mentioned in the articles, the reason why we put glues on silk is to cover patterns with rice starch to prevent them from coloring.

But now we don’t need these glues anymore after we finished dyeing.
So we need to remove it by washing.

Washing off unstable dyes

Steaming is the process to stick colors(dyes) on silk. It looks dyes are fixed there, but it’s not completely stuck them so unstable dyes are washed off in running water.

Any water is fine?

No, it’s not.
Water is drawn from underground in Kyoto.

The water temperature is stable

As you know, tap water is warm in the summer and cold in the winter, isn’t it?
Then the water temperature is not stable.

But the temperature of ground water is stable(around 18 degrees).
That helps workers work in the same environment, which is nice.

Pure water

Underground water contains less chemicals or iron than tap water.
This means it’s easier to predict changes of color development.

Chemicals help to prevent the color of dyed cloth from coming out well.
Especially, chlorine may make it turn to be greyish.

Also if water contained iron, it could turn to be dark reddish.
Therefore, underground water is essential for washing because its water quality is stable and contains less chemicals.

Price is lower

Washing needs a large amount of water.
It’s not hard to think of how expensive it would be if tap water was used for.
The workers told us they dug over 10 wells in case of the lack of water.
About 20 meters pool
He works in water all day long.
The manger told me that working in water was really tough so that only young people could work there.
A washing pool
Unless clothes are soaked in a generous quantity of water, it is not able to remove the dried glues.
Making them soft by soaking in water for 5 minutes.
Removing glues
After soaking, he takes glues one by one with a (no handle)ladle.
He says hands always get wrinkly while he’s working in water.
Before I saw this, I thought they removed glues by machines. But actully, those glues are being removed by hand. This is very surprising for me.
Each cloth is over 12 meters long
After removing them, put the cloth into water again.
Put clothes in to water
I was wondering why he put them in water again although he already took them away.
Soaking into water
Even though it looks removed, there is still a bit of glues or extra dyes on a cloth.
You can feel they are slimy once you touch them.
Rubbing and taking glues
Rub a surface with a brush and take them nicely.
It’s much easier to take them away than you think.
Washing
Pull the cloth toward himself by left hand and rub it by right hand.
Dry
After washing, dry it thoroughly under the sun.
This is everything about washing.

Conclusion

This process of washing is not very good looking one compared to painting designs. However, it’s not able to make our items without this process.

To put it simply, washing is the process to take away glues and extra dyes on silk.
But it is not that simple.
Soaking wet silk is very delicate. It could happen accidents such as

  • Damage by rubbing silk
  • Wrinkles when it’s folded
  • Color migration when it’s piled up

Therefore, this process is one of the most difficult works which need skills and experiences.

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