SuZhou Direction Chemical Technology Co.,Ltd
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VYHD Resin CAS No. 9003-22-9 Vinyl Chloride Resin DY - 7 Used In Inks and Coatings
Specifications:
| No. | Item | Index | Test Method & Criteria |
| 1 | Appearance | White powder | By visual |
| 2 | Whiteness | ≥80 | GB2913-82 |
| 3 | Viscosity (Ml/g) | 50-54 | GB/T3401-1999 |
| 4 | K Value | 41-45 | GB/T3401-1999 |
| 5 | Vinyl Acetate Content (%,by Wt) | 13-15 | ISO1159-1978 |
|
6
| Volatilization (%) | ≤1 | GB/T2914-1999 |
| 7 | Grain Size (through 60 mesh) | 100﹪ | GB/T6003.1 |
| 8 | Stacking density (g/ml) | ≥0.6 | GB20022-2005 |
| 9 | Impurity Particle No. (grains/100g) | ≤20 | GB9348-88 |
| 10 | Solubility 25%(MEK: Toluene=1:1)solution | Colorless, Transparent, No insoluble matter | By visual |
Applications:
The use of DY-7 resin includes the following many aspects, such as inkjet inks, PVC ink, silk-screen printing ink, paper ink; strippable coating, inks and coatings possessing high gloss and high solid content etc; PVC adhesive; electric cable material, pigment paste and flake for PU.
Propertyies:
A.Solubility:
For DY-7 type of bipolymer, ketone solvents are especially suited, such as ace-tone, MEK, nadone and isophorone.
B.Stability:
DY-7 has excellent light and heat stability, but when it is used outdoors or at higher temperature, the following stabilizers are suggested to use with it, such as organotin stabilizer without sulphur, epoxy compound stabilizer, light resistant ultraviolet stabilizer.
C.Compatibility:
DY-7 copolymer is miscible with other resins during the course of using, 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. Others:
If DY-7 resin has been kept over the shelf time, it shouldn’t mean the resin is invalid, but the user must test the relevant properties of DY-7 resin and its finished product before using it in bulk. Any queries on technology or quality assurance can be inquired to our company.
Advantage:
More favourable price under the same quality;Timely and effective service based on quality and technic; Shorter lead time based on requirements from clients
Packaging and Storage:
DY-7 resin is packaged into the craft paper-plastic composite bag according to 25Kgs/bag, and stored in dry place away from sunlight.
