Hydroxyl Modified Vinyl Chloride/Vinyl Acetate Terpolymers PG-HC
Hydroxyl-Modified Vinyl Chloride/Vinyl Acetate Terpolymers
Hydroxyl Modified Vinyl Chloride, Hydroxyl Modified Vinyl Acetate Terpolymers
New grade PG-HC: It is white powder、ester soluble with colorless& transparent solution and has excellent solvent release、film-forming compactness、dispersibility,which mainly is used for combination with PU resin to improve flexibility、solvent release、film-forming compactness and hardness in coatings and ink;It is very good film-forming substance with low swelling property and low gas permeability when its paint film meet water, after its combination use with PU resin etc, its paint film has excellent flexibility、high-wearing feature、scratch resistance、water resistance、alcohol resistance.
PG-HC 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 84±1%
|
GB/T7139-2002
|
Vinyl Acetate 10±1%
|
ISO1159-1978
|
Vinyl Alcohol 6±
|
|
4
|
Reactive Functionality (Hydroxyl %)
|
|
|
5
|
Hydroxyl Value
|
70-76
|
ISO2554-1974
|
6
|
K Value
|
48-50
|
GB/T 3401-2007
|
7
|
Viscosity No. ml/g
|
54-58
|
GB/T 3401-2007
|
8
|
Glass transition Temp ℃
|
About 62
|
GB11998-89
|
9
|
Average Molecular Wt
|
About 30000
|
Calculated by the Viscosity No.
|
10
|
% by wt, through 60 mesh
|
100%
|
GB/
|
11
|
Apparent density (g/ml)
|
≥
|
GB20022-2005
|
12
|
Volatilization (%)
|
≤1%
|
GB/T2914-1999
|
13
|
Impurity Particle No. /100g
|
≤20
|
GB9348-88
|
14
|
20% resin in EA or MEK
|
Colorless and Transparent or Yellowish
|
By visual
|