- Home >> Polyvinyl Alcohol(PVA) >> PVA 1498

Polyvinyl alcohol ( CHINA PVA )
Polyvinyl alcohol PVA Performace
Polyvinyl alcohol (abbreviated as PVA) also can be called PVOH. It is a kind of heavy polymer, produced by polymerization and alcoholysis of vinyl acetate. PVA is white or light yellow floccus, granular or powdery in appearance. Its molecular formula is[CH2CHOH]n,and the molecular formula for some of the PVA is -[CH2CHOH]n-[CH2CHOOCCH3]m-. PVA is non-toxic, insipid and harmless. It is water-soluble and the solvent provide good viscosity and film building.
Polyvinyl alcohol, PVA,poval
Name |
polyvinyl alcohol,PVA,poval |
CAS No. |
9002-89-5 |
Molecular formula |
[C2H4O]n |
Appearance |
white flakes,floccus or powder solid,odourless |
Relative density(25°C/4°C) |
1.27-1.31(solid), 1.02(10% solution) |
Glass state temperature |
75-85°C |
Refractive index |
1.49-1.52 |
Thermal conductivity |
0.2w/(m·K) |
Specific heat |
1-5kJ/(kg·K) |
Resistivity |
(3.1~3. 8)×10Ω·cm |
Ignition temperature(°C) |
410(powder) |
Lower explosive limit(V/V) |
125(g/m3 ) |
Applications
1,adhesive and lamination agents
2,sizing and coating for textiles and paper
3,emulsifying agent in waxes
4,cosmetic
5,stencil screens;ceramic binders
6,fabric and rubberlike products
7,protective films for metal,plastic,cloth
8,printer inks for glass and plastics
9,flexible fuel line ...etcGet Latest Price
Package:
It’s packed in the braided polypropylene bags lined with a polyethylene film.The net weight of each bag is 25kg,50kg ..And it could be packed according to the customers’ requirements.
skype: shellyjia08
sales08 at hengrunxin.com