Carboxyl-Modified Vinyl Chloride/Vinyl Acetate Copolymers VMA

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Carboxyl-Modified Vinyl Chloride/Vinyl Acetate Copolymers VMA
Posting date : Mar 06, 2019
Membership
Free Member Scince Nov 26, 2018
FOB Price
1
Min. Order Quantity
1ton
Supply Abillity
23000tons/year
Port
shanghai
Payment Terms
100% pre-T/T or 100% sight letter of credit
Package
25kg/bag
Keyword :
Category
Contact
Peter
Selling Leads Detail
Company Info
 
Quick Detail
Place of Origin
China [CN]
Brand Name
-
HS-CODE
-
Package & Delivery Lead Time
Package
25kg/bag
Delivery Lead Time
7days
Detailed Description
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)
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 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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