polyvinyl alcohol PVA granule or powder

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 granule or powder