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VAD Vinyl Resin equivalent to Dow VAGD

VAD Vinyl Resin equivalent to Dow VAGD

Place of Origin : China
Brand Name : Sinfeng
Model Number : VAD
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 medium molecular weight, partially hydrolyzed vinyl chloride/vinyl acetate resin, made in a two-step precess, having a composition of approximately 90 percent vinyl chloride, 4 percent vinyl acetate, 6 percent vinyl alcohol, with a hydroxyl content of approximately 2.3 percent. VAD has excellent adhesion on PET, resinprimer, paper, PVC, ABS, pre-treatment of PE and OPP.

VAD 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 VAD often used with other film-forming material in order to improve the coating performance, enhance paint adhesion, flexibility, tenacity, hardness and chemical resistance. The hydroxyl functional group permits crosslinking reactions for thermoset , obtaining excellent 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 VAD, and methyl chloroform and tetrachloroethane can only swell it. Aromatic hydrocarbons have a good role in the swelling, generally using with ketone. VAD can be dissolved in relatively strong solvent/diluent combinations, such as 50 percent ketone/50 percent aromatic hydrocarbon, to produce resin solutions of 25-28 percent solids.

Application:VAD can be used for a wide range of coatings applications, including marine anti-corrosion paint, gravenu ink, chassis paints, industrial maintenance, PU and wood finishes, paper coatings, PET inks, interbedded adhesive, and adhesive for magnetic tape and carbon ribbon.

VAD Vinyl Resin Quality standard (XHQB-11)

No.

Item

Index

Test method

1

Appearance

White powder

By visual

2

Whiteness

≥80

GB2913-82

3

Composition % by Wt

Vinyl Chloride 90±1%

GB/T7139-2002

Vinyl Acetate 4±1%

ISO1159-1978

Vinyl Alcohol 6±0.5%


4

Reactive Functionality (Hydroxyl %)

1.8-2.3%


5

Hydroxyl Value

70-76

ISO2554-1974

6

K Value

36-38

GB/T3401-1999

7

Viscosity No. ml/g

44-48

GB/T3401-1999

8


Glass Transition Temp ℃

About 77

GB11998-89

9

Average Molecular Wt

About 22000

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

      
China Customized Inflatable Bumper Ball Game Bubble Adult Grass CE supplier

VAD Vinyl Resin equivalent to Dow VAGD Images

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