SuZhou Direction Chemical Technology Co.,Ltd
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Vinyl Chloride Vinyl Acetate Bipolymer Resin (DY-3)
| No. | Item | Index |
| 1 | Appearance | White powder |
| 2 | Whiteness | ≥80 |
| 3 | (Ml/g) | 71-73 |
| 4 | K Value | 54-56 |
| 5 | (﹪,by Wt) | 12-14 |
| 6 | Volatilization (﹪) | ≤1 |
| 7 | Grain Size (through 60 mesh) | 100﹪ |
| 8 | Stacking density (g/ml) | ≥0.5 |
| 9 | Impurity Particle No. (grains/100g) | ≤20 |
| 10 | Solubility 25%(MEK: Toluene=1:1)solution | Colorless, Transparent, No insoluble matter |
DY-3 is principally used for strippable coating, PVC ink, silk-screen printing ink, paper ink, electric cable material, pigment paste and flake for PU, PVC adhesive, leather treatment agent, transfer printing coating, basic material of magnetic card, thermal insulating foaming material, additive for PVC modification, calcium-plastic floor, coating etc.
For DY-3 type of bipolymer, ketone solvents are specially suited, such as ace-tone, MEK, nadone and isophorone. Ester solvents have lower solubility for DY-3 resin, such as methyl acetate, ethyl acetate and butyl acetate etc. Therefore, we need to heat the solution or add ketone solvents into the solution while DY-3 resin is dissolved in ester solvents. Chlorohydrocarbons, Nitro compound and alicyclic solvents, such as dichloroethane and diethylene oxide, also can dissolve DY-3 type of bipolymer, but these kinds of solvent are toxic, they are only used in special situation.
DY-3 type of bipolymer is miscible with other resins during the course of usage, such as other types of vinyl chloride vinyl acetate copolymer, PVC resins, perchloro-ethylene resin, ketone resins, chloroprene rubber, NBR, polyacrylate, epoxy resin, polyester and petroleum resin etc.
D) Packaging and Storage
Usually packaged according to 25Kgs/bag, lined with plastic film. Sometimes, according to the customer’s requirements.
Stored in dry place away from sunlight
Any queries on technology or quality assurance can be inquired to our company.
Should the DY-3 resin have been kept over the shelf time, it shouldn’t mean the resin is invalid, but the user has to test the relevant properties of DY-3 resin and its finished product before using it in bulk.