KEDI Soap Base Inspection Report Glossary
Total effective content: refers to the content of all ingredients except some water, which is different from the content of dry sodium soap. The higher the value, the more active materials (oil, glycerin, polyol, etc.) added, and the better the quality.
Moisture and volatile matter: refers to the water content, the higher the water content, the less the soap will be soaked, it is easy to shrink and deform, and it is not resistant to washing.
Free caustic alkali: refers to the content of sodium hydroxide that is not completely saponified and remains in the soap. If it is too high, it will irritate the skin and will appear particularly dry after washing. The lower the value, the better. The undetected result indicates the best.
Total free alkali: refers to the general term of free caustic alkali and free carbonate alkali, and also refers to residual sodium hydroxide that is not completely saponified. It is irritating to the skin. The lower the value, the better. The undetected result indicates the best .
Chloride: No special addition in soaps, it is a by-product in the saponification reaction. Sodium chloride is the main component of table salt.
Total phosphorus pentoxide: refers to the phosphorus content in soap. Phosphorus has an impact on the water environment, causing rapid growth of aquatic plants and destroying the ecological environment of the water body. The lower the value, the better, and less than 0.1% is regarded as excellent.
Diaphaneity: refers to the percentage of the difference between the internal reflection factor of the white lining and the reflection factor of the black backing and the internal reflection of the white lining. The value will have a tolerance of 2%-5%, and the value above 25% indicates a qualified product.