Polyvinyl alcohol, M.W. ∼ 20000-30000 88%, hydrolysed
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:9002-89-5
:25213-24-5
Formula:[-CH₂CH(OH)-]n
MDL Number:MFCD00081922
Melting Pt:160…240 °C
Density:1,329 g/cm³ (20 °C)
Storage Temperature:Ambient
Specification Test Results
- Appearance:Off-white to light yellow Powder
- Infrared spectrum:Conforms
- Viscosity:3.5 to 4.5 cP (4 % in water at 20°C) (Brookfield)
- Degree of hydrolysis:87.0 to 89.0 %
- Ash:≤0.9 % (Na2O)
- pH:4.5 to 6.5 (4 % in water)
- Volatile matter:≤5.0 % (105°C, 3 h)