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Vinyl Chloride and Vinyl Acetate CopolymersMLC-20
Vinyl Chloride and Vinyl Acetate Copolymers
Vinyl Resin,Vinyl Acetate Copolymers Resins,Vinyl Acetate Copolymers Resins
Grade MLC-20: It is white powder,ketone and ester soluble with colorless, transparent solution, and it offers a desirable balance of chemical resistance, solubility, diaphaneity, film strength, and thermoplasticity. It has excellent interbedded adhesion. The film with high toughness,flexibility and lasting,anti-wear water resistance,low water swelling and low permeability characteristics.Because of its lower melt index, It also has well sealing property in low temperature.
MLC-20 Vinyl Resin Quality standard (XHQB-6)
|
Items |
Index |
Test method |
|
|
1 |
Appearance |
White powder |
By visual |
|
2 |
Whiteness |
≥80 |
GB2913-82 |
|
3 |
Composition % by Wt |
Vinyl Chloride 80±1% |
GB/T7139-2002 |
|
Vinyl Acetate 20±1% |
ISO1159-1978 |
||
|
4 |
Reactive Functionality Type % by Wt |
- |
|
|
5 |
K Value |
46-48 |
GB/T 3401-2007 |
|
6 |
Viscosity No. ml/g |
53-57 |
GB/T 3401-2007 |
|
7 |
Glass Transition Temp℃ |
About 70 |
GB11998-89 |
|
8 |
Average Molecular Wt |
About 25000 |
Calculated by the Viscosity No. |
|
9 |
% by wt, through 60 mesh |
100% |
GB/T6003.1 |
|
10 |
Apparent density (g/ml) |
≥0.6 |
GB20022-2005 |
|
11 |
Volatilization (%) |
≤1% |
GB/T2914-1999 |
|
12 |
Impurity Particle No. /100g |
≤20 |
GB9348-88 |
|
13 |
25% resin in MEK |
Colorless and Transparent |
By visual |
Application:
MLC-20 grade is used primarily for maintenance coatings,plastic coatings, heat-transfer paint,outdoor printing ink, carbon ribbon,adhesive for magnetic card and card board. When using with carboxyl resin in the heat sealing lacquer for aluminum foil and PVC can effectively reduce the heat sealing temperature, raise the heat sealing strength.
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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