Hydroxyl Modified Vinyl Chloride/Vinyl Acetate Terpolymers MVAD
Hydroxyl-Modified Vinyl Chloride/Vinyl Acetate Terpolymers
Hydroxyl Modified Vinyl Chloride, Hydroxyl Modified Vinyl Acetate Terpolymers
Grade MVAD: It is white powder, ketone soluble with colorless, transparent solution and has exnt adhesion on PET, resin primer, paper, PVC, ABS pre-treatment of PE and OPP. It is often used with other film-forming material in order to improve the coating performance, and enhance paint adhesionã€flexibilityã€tenacityã€hardness and chemical resistance. The hydroxyl functional group permits crosslinking reactions for thermoset,obtaining exnt chemical and water resistance.
MVAD Vinyl Resin Quality standard (XHQB-10)
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 %) | 1.6-2.0% |
|
5 | Hydroxyl Value | 50-60 |
|
6 | K Value | 36-38 | GB/T 3401-2007 |
7 | Viscosity No. ml/g | 34-38 | GB/T 3401-2007 |
8 | Average Molecular Wt | About 22000 | Calculated by the Viscosity No. |
9 | % by wt, through 60 mesh | 100% | GB/T6003.1 |
10 | Apparent density (g/ml) | ≥0.5 | GB20022-2005 |
11 | Volatilization (%) | ≤1% | GB/T2914-1999 |
12 | Impurity Particle No. /100g | ≤20 | GB9348-88 |
13 | 25% resin in MEK/(50/50) | Colorless or yellowish and Transparent | By visual |
Application:
MVAD grade can be used for a wide range of coatings applications, including marine anti-corrosion paint gravure printing inks, chassis paints, maintenance, PU and wood finishes, paper coatings, PET inks, interbedded adhesive, adhesive for magnetic tape and carbon ribbon.
Package, storage and transportation:
* In kraft bag, h pp bags of 25kgs net, with PE inner bag.
* Store in a dry and ventilated place, do not place in open-air, avoid storage in direct sunlight and caution against wet.
* Must be transported in clean vehicle with awning and keep away from moisture.
* It is NOT hazardous article, and the shelf life is one year from the production date.
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