ETHYLENE-VINYLALCOHOL COPOLYMER DC3212B
32 mol% Ethylene Content
General Description
Soarnol DC3212B is one of the standard grades of "Soarnol®", its ethylene content is 32 mol% with a high MFR(melt flow rate).
Soarnol DC3212B has excellent barrier to gases and is primarily used in coextruded blow-molded containers and coextruded film applications.This resin can also be used in coextrusion coating.
General Properties
| Property | Unit | Value |
|---|---|---|
| Ethylene Content | mol% | 32 |
| MFR1) (@210°C, 2160g) | g/10min | 12 |
| Volatile Matter | % | < 0.3 |
| Melting Point2) | deg C | 183 |
| Crystallization Temperature2) | deg C | 160 |
| Oxygen Permeability3) 20deg C-65%RH |
cc 20μm/m2 day atm cc·mil/100inch2·day·atm |
0.5 0.025 |
| WVTR 40deg C-90%RH |
g 30μm/m2 24hrs | 32-58 |
1): Measured with Melt Indexcer
2): Measured with DSC, both heating and cooling speeds of 10deg C /min
3): Measured with OXTRAN 10/50 (MOCON)
Melt Viscosity
Fig.1 Melt Viscosity of Soarnol DC3212B
Example of Processing
| Extruder: | 40 mmφsingle screw extruder, L/D = 28 |
|---|---|
| Screw: | Full-flighted, constant pitch type, CR = 3.5 |
| Screen pack: | 80/120/50 mesh |
| Die: | Manifold type, die width = 450 mm, lip clearance = 0.2 mm |
| C1 | C2 | C3 | C4 | C5 | Head | Die |
|---|---|---|---|---|---|---|
| 180 (356) |
200 (392) |
220 (428) |
230 (446) |
230 (446) |
230 (446) |
200-220 (392-428) |
Hygienic Performance of Soarnol DC3212B
Soarnol DC3212B contains no heavy metals or other harmful substances.
Soarnol DC3212B meets the Food Sanitation Standards of various countries.
| Japan: | Ministry of Health and Welfare Announcement No.370(Dec. 28,1959) and Its Latest Amendment No.18(Jan. 31,1994) Self-Restrictive Requirements on Food-Contacting Articles Made of Polyolefins and Certain Polymers |
|---|---|
| U.S.A.: | FDA 21CFR 177.1360(a)(3) and 175.105 |
| EU: | European Commission Directive 90/128/EEC, and Its Latest Amendment |
Date Revised: April. 4, 2008
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