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- Metro Industrial Twp, Cape Town, South Africa
| ITEMS | STANDARD |
| Appearance | White to off-white powder |
| Viscosity (1%, mPa.s) | As per need |
| Particle size | 95% pass 80 mesh |
| Degree of esterification (%) | >= 80 |
| Loss on drying (105℃, 4h, %) | =<15 |
| pH (1%) | 3.0- 4.5 |
| Total propylene glycol (%) | 15- 45 |
| Free propylene glycol (%) | =<15 |
| Ash insolubles (%) | =<1 |
| Arsenic (As) | =<3 mg/kg |
| Lead (Pb) | =<5 mg/kg |
| Mercury (Hg) | =<1 mg/kg |
| Cadmium(Cd) | =<1 mg/kg |
| Heavy metals (as Pb) | =<20 mg/kg |
| Total plate count (cfu/g) | =< 5000 |
| Yeast & mould (cfu/g) | =< 500 |
| Salmonella spp./ 10g | Negative |
| E. Coli/ 5g | Negative |
Buy Dipropylene Glycol or Propylene glycol alginate or PGA is an additive used mainly as a thickening agent in certain types of food. It is made from the kelp plant or from certain kinds of algae, which is processed and transformed into a yellowish, grainy chemical powder. The powder is then added to foods that require thickening. Propylene glycol alginate has been used for many years as a food preservative. Many food manufacturing companies use it in the most common household food items. Most types of gel-like foods, including yoghurt, jellies and jams, ice cream, and salad dressing contain propylene glycol alginate. Certain condiments and chewing gum also contain this chemical.
