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Innovations in the selection of new materials, new processes and new industrial applications demonstrated Rousselots® continuous effort to meet the current market requirements.

Rousselot® supplies gelatine from:

      Pig Skin

      Bovine Hides

      Limed Bones
    The Rousselot® gelatine qualities

    The gel strength (of a 6 2/3% solution left at 10 °C for 17 hours) and the starting material used for gelatine production are the two most important parameters to specify a gelatine type. In addition, the so-called isoelectric point gives information on the manufacturing process and the raw material.


      Type A
    		Type B
    Gel Strength (Bloom) 80 - 300 80 - 260
    Isoelectric Point 7.0 - 9.0 4.7 - 5.4
    Ash 0.1 - 2.0 0.3 - 2.0


    Other important quality aspects include the purity criteria (e.g. water, ash, SO2 content, microbial limits ), which are similar across all types of gelatine, as well as the particle size of which depends on the choice of dissolving method used in the manufacturing process.


    Rousselot has a wide range of products. For this range of products a strict designation system was introduced to allow a clear product assignment. All Rousselot® quality names are composed as follows:


    Rousselot® Gelatine<<Bloom>><<Designation>>
    where:
      - the Bloom Value depends on the customers application (from 25 to 250),

      - the Designation corresponds to Table 2,

      - and the particle size can be selected from our standard particle sizes (Table 3).

    Example: Rousselot® Gelatine 125 P 30 corresponds to a Rousselot® acid processed porcine gelatine, which has a gel strength of 125 Bloom and a particle size of 30 mesh.

      Designation Raw Material  
    Rousselot® Gelatine   P porcine, acid processed
    B bovine, alkaline processed
    H bovine hides
    PS porcine skin, acid processed
    AP porcine bones, acid processed
    LB bovine bones, alkaline processed
    AB bovine bones, acid processed
    LH bovine hides, alkaline processed
    AH bovine hides, acid processed
    LP porcine bones, alkaline processed

    Table 2: Rousselots Quality Designations

    8 mesh 2.36 mm
    18 mesh 1.00 mm
    30 mesh 0.60 mm
    60 mesh 0.25 mm
    We offer also other particle sizes depending on gelatine type and production site.

    Table 3: Standard particle sizes of Rousselot® gelatine

    The isoelectric point, is an intrinsic property of gelatine which might be important for some applications, determined by raw materials pre-treatment and the type of process. Similarly, the viscosity (of a 6 2/3% gelatine solution at 60 °C) can also be of importance.



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