Carboxyl-Modified Vinyl Chloride/Vinyl Acetate Copolymers VMA

Carboxyl-Modified Vinyl Chloride/Vinyl Acetate Copolymers VMA

Carboxyl-Modified Vinyl Chloride/Vinyl Acetate Terpolymers

Ink Raw Material Vinyl Chloride Copolymer Resin,Vinyl Acetate

Grade VMA: It is white powder,ketone soluble with colorless,transparent solution, and because of the carboxyl functional group, it has excellent adhesion on metal, especially on aluminum foil, the resin foil also has a good adhesion on PVC, ABS, paper, textiles, beton, etc. Moreover, it offers a desirable balance of chemical resistance, solubility, diaphaneity, film strength, and thermoplasticity. And it has excellent interbedded adhesion.

VMA Vinyl Resin Quality standard (XHQB-6)

	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 17±1%	ISO1159-1978
		Maleic Acid 2±0.2%
4	Reactive Functionality (Carboxyl %)	2±0.2%
5	K Value	32-36	GB/T 3401-2007
6	Viscosity No. ml/g	30-34	GB/T 3401-2007
7	Glass Transition Temp℃	About 70	GB11998-89
8	Average Molecular Wt	About 15000	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/Toluene(50/50)	Colorless and Transparent or yellowish	By visual

Application:

VMA grade yields the good balance of solubility and viscosity properties needed for high-build, air-dry maintenance finishes,and it is often used to make coatings and adhesives applications where higher solids are desirable. It can be used in air-dry finishes, such as maintenance,marine,and metal coatings, interbedded adhesive,aluminum foli varnish,UV surface treatment,UV primer,thermal transfer adhesive, shoe adhesive, ink-jet and metal inks,etc.

Package, storage and transportation:

* In kraft bag, lined with 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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