| Customization: | Available |
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| Material: | Laminated Material |
| Usage: | Packaging Film, Food Cling Film |
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Combining the processability of vinyl polymer with the blocking effect of vinyl alcohol polymer, EVOH (Ethylene Vinyl Alcohol Copolymer) offers excellent gas, odor, fragrance, and solvent blocking properties. Its thermal stability makes it ideal for multilayer containers, ensuring reusability.
EVOH is widely used for its high barrier properties in various film types, including biaxial tensile, aluminum evaporation, and adhesive coating types. Its gas barrier performance is influenced by the ethylene content, with higher ethylene content enhancing processability.
Characterized by exceptional gas barrier, transparency, gloss, mechanical strength, and more, EVOH is commonly used in food and non-food packaging applications. It can replace glass and metal containers in food packaging, offering superior barrier performance.
GYF BIOTECH LTD. offers EVOH products for film production, as well as applications in cosmetic packaging, floor heating pipes, jelly cups, and pesticide bottles. EVOH is a non-toxic, environmentally friendly material that enhances quality of life and supports sustainability.
| EVASIN EV2951F DATA SHEET | ||||
| 29 mole%Ethylene Vinyl Alcohol Copolymer | ||||
| Application | ||||
| EV2951F with lower melt flow index is specially designed for co-extrusion cast or blown application.This resin can also be used in bottle and pipe application. |
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| General Property | ||||
| Item | unit | Test Method | Value | |
| Mechanical Properties | ||||
| Tensile strength at yield | MPa | ISO 527 | 85.8 | |
| Tensile strength at break | MPa | ISO 527 | 35.7 | |
| Elongation at break | % | ISO 527 | 19.6 | |
| Young's modulus | MPa | ISO 527 | 4,580 | |
| Flexural modulus | MPa | ISO 178 | 4,300 | |
| Flexural strength | MPa | ISO 178 | 130 | |
| Charpy impact strength | KJ/m² | ISO 179-1 | 2.27 | |
| Rockwell hardness | M | ISO 2039-2 | ||
| Density | g/cm² | ISO 1183 | 1.19 | |
| Thermal Properties and Melt Characteristics | ||||
| Melting point | ºC | ISO 11357 | 188 | |
| Crystalization point | ºC | ISO 11357 | 163 | |
| Glass transition point | ºC | ISO 11357 | 62 | |
| icat Softening Poin | ºC | ISO 306 | 175.3 | |
| Melt flow index | g/10min(2160g,190ºC) | ISO 1133 | ||
| g/10min(2160g,210ºC) | ISO1133 | 2.5 | ||
| Gas Barrier Properties | ||||
| O2Transmission Rate at 20ºC 0%RH at 20ºC 65%RH at 20ºC 85%RH |
cm³.20μm/m².24Hrs.atm | ISO 14663-2 | 0.1 0.2 1.3 |
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| Water Vapor Transmission Rate | cm³.30μm/m².24Hrs.atm at 40ºC90%RH |
ASTME96-E | 55 | |
Introducing our innovative product, Ethylene-vinyl alcohol copolymer (EVOH). This unique copolymer combines the processability of ethylene polymer with the barrier effect of ethylene alcohol polymer, providing exceptional processing performance and superior blocking effect on gas, odor, fragrance, solvent, and more.
Thanks to its thermal stability when combined with ethylene, multilayer containers with EVOH barrier layers are fully reusable. These outstanding features make plastic containers with EVOH barrier layers a sustainable and efficient alternative to traditional glass and metal containers in food packaging.
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