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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