Mild potassium soaps. simple recipes

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FACTORY TECHNOLOGIES AT HOME - SIMPLE RECIPES
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Mild potassium soaps. Simple recipes and tips

Factory technologies - simple recipes

Directory / Factory technology at home - simple recipes

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Soft soaps are obtained by saponifying oils and fats with caustic kali. All these soaps have a soft creamy consistency, depending mainly on the type of fats present. Fats containing more olein produce softer soaps than fats containing a lot of stearin and palmitin.

The concentration of alkali is taken depending on the saponifiable fat. Oil or fat is placed in a cauldron and boiled with 1/3 of the total amount of caustic potash. As saponification, the remaining amount of alkali is added in small portions until a transparent soapy mass is obtained. Neutral potassium soap is a viscous cloudy mass; to obtain transparency, an excess of caustic potash or potash is needed, the addition of potash also contributes to a better connection of water with soap.

Soap is tested on a glass plate. A drop of it should be completely homogeneous and transparent, without signs of separation of fat and alkali. When tested between the fingers, the soap should give sharp ends when the fingers are spread apart and not stretch into the thread. Often, 30% rosin is added to mild soaps, which is easily saponified and gives the soap shine and foam. Filling agents are soda, potassium chloride, talc, Glauber's salt, etc. These substances are added when the soap has cooled down a bit

Soluble glass is also used for filling, but it is introduced during boiling. If the soap is too liquid, part of the caustic potash is replaced with caustic soda.

Natural granular soap

1st recipe

Linseed oil 40 kg;
Fat 30 kg;
Cottonseed oil 20 kg;
Bone fat 10 kg;
Caustic potassium solution 25 °Be 110 kg.

2st recipe

Palm oil 40 kg;
Olein 40 kg;
Linseed oil 12 kg;
Fat 8 kg;
Caustic potassium solution 28 °Be 110 kg.

3st recipe

Linseed oil 80 kg;
Fat 20 kg;
Caustic potassium solution 25 °Be 110 kg.

The preparation of soap according to these recipes is as follows. Butter and lard are processed in a cauldron with 40 kg of caustic potash solution. Give a good boil and add another 40 kg of caustic potash. Stir and add in small portions the rest of the caustic potash. After a transparent, well-cooked glue is obtained, it is examined for the content of excess caustic potash. The room temperature should be between 10 and 15 as it influences grain formation. The grain consists of crystallized stearic and palmitic soaps.

Oleic soft soaps

1st recipe

Oleic acid 20 kg;
Cottonseed oil 15 kg;
Fat 15 kg;
Caustic potassium solution 25 °Be 65 kg.

2st recipe

Oleic acid 20 kg;
White palm oil 20 kg;
Fat 10 kg;
Caustic potassium solution 25 °Be 65 kg.

Fats are dissolved and with constant stirring, a solution of caustic potash is added and boiled until a sample is obtained that has the properties of a good soap glue. You can first saponify oleic acid with soda, and then add the remaining parts, but then the caustic potassium solution takes

Author: Korolev V.A.

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