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VAF Vinyl Resin equivalent to Dow VAGF

VAF Vinyl Resin equivalent to Dow VAGF

Place of Origin : China
Brand Name : Sinfeng
Model Number : VAF
Certification : REACH;ISO9001
Packaging Details : 25KG/BAG
Delivery Time : about two weeks
Payment Terms : T/T;L/C
Supply Ability : 500MT/Month
MOQ : 1 MT
Sample : Sample
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Characteristice:A high molecular weight copolymer resin containing approximately 81 percent vinyl chloride, 4 percent vinyl acetate, and 15 percent hydroxyalkyl acrylate, with the hydroxyl content at 1.8 percent. VAF has excellent adhesion on paper,polysulfone resin,acrylic resin, PVC, ABS, PC and the surface of ink.

VAF has good compatibility with other film-forming material, such as alkyd resins, polyurethane elastomers, isocyanate resin, melamine resin, urea-formaldehyde, epoxy polymers and so on. So VAF often used with other film-forming material in order to improve the coating performance, and enhance paint adhesion, flexibility, tenacity, hardness and chemical resistance. The hydroxyl functional group permits crosslinking reactions for thermoset coating systems that exhibit outstanding chemical and water resistance.

Solubility:Ketones is a particularly good solvent, and esters is the relatively weak solvent. Chlorinated hydrocarbons such as dichloroethane and 1,2 - dichloroethane can completely dissolve VAF, and methyl chloroform and tetrachloroethane can only swell it. Aromatic hydrocarbons have a good role in the swelling, generally using with ketone. VAF can be dissolved in relatively strong solvent/diluent combinations, such as 50 percent ketone/50 percent aromatic hydrocarbon, to produce resin solutions of 20-22 percent solids. VAF resin solution viscosity and other characteristics is very similar to VAH.

Application:VAF can be used for a wide range of coatings applications, including maintenance and marine finishes, paper coatings, metal finishes, PET inks, wood, plastic coatings,and adhesive for magnetic tape and carbon ribbon.

VAF Vinyl Resin Quality standard (XHQB-12)

No.

Item

Index

Test method

1

Appearance

White powder

By visual

2

Whiteness

≥80

GB2913-82

3

Composition % by Wt

Vinyl Chloride 81±1%

GB/T7139-2002

Vinyl Acetate 4±1%

ISO1159-1978

Hydroxyalkyl Acrylate 15±1%


4

Reactive Functionality (Hydroxyl %)

1.6-1.8%


5

Hydroxyl Value

58-60

ISO2554-1974

6

K Value

48-50

GB/T3401-1999

7

Viscosity No. ml/g

56-60

GB/T3401-1999

8


Glass Transition Temp ℃

About 70

GB11998-89

9

Average Molecular Wt

About 33000

Calculated by the Viscosity No.

10

% by wt, through 60 mesh

100%

GB/T6003.1

11

Apparent density (g/ml)

≥0.5

GB20022-2005

12

Volatilization (%)

≤1%

GB/T2914-1999

13

Impurity Particle No. /100g

≤20

GB9348-88

14

25% resin in MEK/Toluene(50/50)

Colorless and Transparent

By visual


Product Tags:

vinyl resin

      

vinyl chloride resin

      

resins

      
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VAF Vinyl Resin equivalent to Dow VAGF Images

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