Seaerch
TEL：0086-27-82288353
+86-13971029269
FAX：0086-27-82288295
Email: whcz_78@163.net
ADD.: Rm 1013,BLDG 3,Area C,Hankou City Plaza,Houhu Avenue,Wuhan
| ITEM | STANDARD |
| Appearance | White to cream colored powder |
| Purity (dry basis, %) | >= 80 |
| Viscosity (2%, 25℃, mPa.s ) | 100 - 300 |
| Degree of substitution | >= 0.8 |
| pH (1% solution) | 6.0- 8.5 |
| Loss on drying (%) | =< 10 |
| Lead | =< 3 mg/kg |
| Arsenic | =< 5 mg/kg |
| Total heavy metals (as Pb) | =< 20 mg/kg |
