1.Name:polyvinyl alcohol,PVA ,vinylalcohol polymer,poval 2.CAS No.:9002-89-5 3.Formula:[C2H4O]n 4.Appearance:white powder Polyvinyl alcohol(PVA)
1,other name: vinylalcohol polymer, poval
2, CAS No.:9002-89-5
3,Molecular formula: [C2H4O]n
4,Chemicals and physicals properties
Other name | vinylalcohol polymer,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 ) |
5,Spec.
PVA17-88
ITEM | FIRST GRADE | QUALIFIED GRADE |
Hydrolysis,% (mol/mol) | 87-89 | 86-90 |
Viscosity,mPa·s | 21-25 | 20-26 |
volatile,% | 5.0max | 7.0max |
PH value | 5-7 | 5-7 |
Ash,% | 0.5max | 0.7max |
Purity,% | 93.5 | 91.5min |
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.
Storage & transportation:
It should be stored in ventilation in cool, dry place, away from fire. Transportation should be gentle and should prevent damage to the packing,Any special requirement could be talked with us .
About us :
Kunming Dushunlai Economic & Trade Co.,Ltd,--established in 2002, is a professional chemical products manufacturer and supplier.
our products cover nearly all range of chemials industry ,including:
PVC, melamine, urea, ammonium chloride,polyvinyl alcohol, paraffin, sodium hydroxide, and so on.
For more information , pls feel free to contact us
polyvinyl alcohol PVA for film,glue
