- Model Number: Industrial Grade - Color of 20% solution: Lt.Amber - Viscosity of 20% solution: 70-110CP - PH of 20% solution: 4.0-4.8 - Specific Rotation: (oc)D 25c (-22) to (-34) - Moisture: 15% max - Total Ash: 4 % max - Acid Insoluble Residue: 0.35% max - Identification: Positive - Starch or Dextrin: Negative - Tannin Bearing Gum: Negative Types and grades of Gum: Grade 1 : Hashab (acacia Senegal): is sorted to the following grades: - Hand Picked Selected (HPS): The most expensive grade. Cleanest, lightest color and in the form of large nodules. - Cleaned and Siftings: The material that remains after handpicked selected and siftings are removed. Comprises whole or broken lumps varying in color from pale to dark amber. Cleaned: The standard grade varying from light to dark amber. Contains siftings but dust removed. - Siftings: Fine particles remaining following sorting of the choicer grades. Contains some sand, bark and dirt. - Dust: Very fine particles collected after the cleaning process. Contains sand and dirt. Red: Dark red particles Grade 2 : Talha (acacia seyal) is sorted to the following grades: - Talha cleaned size (4mm and above) - Talha sifting grade size (0.5mm ~ 4mm) - Talha dust grade size (under 0.5mm) **Also processed grade 1 (Hashab) is available in the kibbled form in practical size (0.5mm~8mm) and (8mm ~ 16mm+)