Refined fatty acids are obtained from a concentrated solution obtained during the refining of edible oils, the so-called SOAPSTOCK. Hakus a.s. delivers goods that correspond to the declared quality and are in a condition suitable for storage and further processing.

Fatty acids are divided according to the type of refined raw material. The most popular are sunflower and rapeseed fatty acids. Palm fatty acids are also traded, but are stored and processed separately from other fatty raw materials. From the point of view of certification, fatty acids are divided into certified in the ISCC system and non-certified. We can certify non-certified fatty acids with the help of dedicated logistics production centers certified as COLLECTION POINT.

From a technical point of view, we then divide fatty acids into standard fatty acids with an acid number of 60 – 130 mgKHO/g and into distilled fatty acids with an acid number higher than 160 mgKHO/g.

We divide standard fatty acids into two categories, according to the acid number, which defines the method of their subsequent technical use.



Sunflower standard fatty acid

PARAMETER Acid number Water content Impurity content Iodine number
VALUE min. 120,00 max. 0,50 max. 0,50 min. 120,00
UNIT mg KOH/g % hm % hm mg KOH/g
TEST METHOD ČSN EN 14104 ČSN EN ISO 12937 ČSN EN 12662 ČSN EN 14111

Quality sunflower fatty acid is if the impurities do not exceed 0.5%, water does not exceed 0.50% and the chemical composition corresponds to the values given in the table.

Palm standard fatty acid

PARAMETER Acid number Water content Impurity content
VALUE max. 80,00 max. 0,50 max. 0,50
UNIT mg KOH/g % hm % hm

Quality palm fatty acid is, if the impurities do not exceed 0.50%, the water does not exceed 0.50% and the chemical composition corresponds to the values given in the table.

Sunflower distilled fatty acid

PARAMETER Acid number Water content Impurity content
VALUE min. 160,00 max. 0,50 max. 0,50
UNIT mg KOH/g % hm % hm


Sampling for analysis of the FFA and MIU content of purchased vegetable fat raw materials and checking the correctness of their certification is carried out at the reception into storage capacities. Prior to storage, the values must correspond to the declared quality and, in the case of certification, must comply with the approved and prescribed conditions.

During dispensingand before dispatch of individual transport units, the cleanliness of the transport unit is checked. Sampling is performed for analysis of FFA and MIU content for shipped fat raw materials to the customer. Sampling is performed for each transport unit separately before dispatch to the customer. If the transport unit is divided then samples are taken from each separate section separately. If the transport unit is bulk, such as a tanker, then samples are taken from the bottom, middle and top. One composite sample is then made from these samples. Prior to shipment to the customer, the values must correspond to the declared quality.


Purchase:is carried out in tank trucks preferably, but it is possible to receive UCO in IBC containers, or in railway tanks or in containers with flexitanks up to 20 tons in weight.

Sale:In tank trucks using the carrier in accordance with applicable legislation. The company provides transport to the place of delivery. The place and date of delivery means the place specified by the customer in a specific order. The transport is carried out by means of specialized tank trucks intended for the transport of vegetable fat raw materials (usual transport time 4-7 days).


After proper technical adjustment of the fat raw material on the basis of the end customer’s request, certification is performed in the ISCC system according to the valid legislative rules and in accordance with the regulation of the certification company, which ensures control over the entire certification process.

Stuna Holding

Stuna Holding
Mbb Technik
Stuna Space

Business information

Business register

IČ: 25015907
DIČ: CZ25015907


Hakus a.s.
Nečišská 451
440 01 Dobroměřice
Czech Republic


+420 415 679 955


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