PVA 1799 / Polyvinyl Alcohol 1799
Taonga: PVA 1799 / Polyvinyl Alcohol 1799
CAS#:9002-89-5
Tātai:C2H4O
Tātai Hanganga:
Whakamahinga: Hei kapia wairewa, ko te mahi matua o te hanga kiriata PVA, te hononga honohono, ka whakamahia nuitia ki te penupenu kakano, ki te whakapiri, ki te hanga, ki nga kaihoko rahi pepa, ki te peita me te paninga, ki nga kiriata me etahi atu ahumahi.
Whakatakotoranga
| Tūemi | Paerewa |
| Te ahua | 12mesh (paura ma, kowhai marama ranei) |
| Viscosity ( mpa.s ) | 22.0-30.0 |
| Waiwai ( mol%) | 97.0-99.0 |
| Karekau ( %) | ≤4.5 |
| Konutai Acetate ( %) | ≤1.5 |
| pungarehu ( %) | ≤0.5 |
| Maama ( %) | ≥94.0 |
| Ph ( uara ) | 5-7 |
Tuhia to korero ki konei ka tukuna mai ki a matou