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3b. Definitions

Soap Manufacturing > 3. Solid Soap
 
DEFINITIONS

This section is useful to learn the standard nomenclatures of the  natural soaps that are classified according to the manufacturing process:

FULL BOILED SOAP
Full boiled is the term to classify a soap produced with the separation of the glycerin from the soap. Full Boiled soap is obtained by means of Kettle Saponification or Continuous Saponification with Washing Section. This soap includes 1% of glycerin or less.
 
SEMI BOILED SOAP
Semi boiled is the term to classify a soap produced without the separation of the glycerin from the soap. Semi boiled soap is obtained by means of Batch Saponification or Continuous Saponification of oils and fats without Washing Section. The reaction between caustic soda and oils/fats produce glycerin in a range of 6 - 8% and this glycerin is not separated and remains in the final soap. Until some years ago, Semi boiled soap was considered a low quality soap and was used in laundry soap bars, but in the last decade the production of semi boiled soap increases and today is using also in toilet soap bars. Semi boiled soap is cheaper that full boiled soap because less working stages are required in soap manufacturing.
 
SWING SOAP
In the last years soap industry started to speak about SWING soap. SWING means: Soap With INside Glycerine. At the end SWING soap and Semi Boiled soap are two terms to indicate a soap produced without the glycerine removal.

3. Solid Soap


 
 
 
 
 
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