Overview
We have developed 5 kinds of products commonly used in the market for the EVA series. This is a common material with the highest cost performance and is often used in engineering buckets. If your product has a fast market sales turnover, short storage time, and no secondary use, this product will be suitable.
TECHNICAL DATE SHEET
Product Name: ①EVA General Materials
PRODUCTION DATE: September 2023
| ITEMS | |
| Density | 85±5 kg/m³ |
| Shaw C hardness | 40-45° |
| Tensile strength | 0.6Mpa |
| Elongation at break | ≥120% |
| Main components | EVA\LDPE\CACO3 |
| Immersion test | No chemical reaction with MEK
Toluene immersion is insoluble and has no chemical reaction, with slight swelling. After air drying, the shrinkage rate is small (chemical properties are better than rubber rings) |
| 3 years (no sunlight exposure) |
Comparison of Common Market Products
| EVA sealing ring | NR rubber ring | PVC styrofoam | |
| Manual gasket | √ | ü | × |
| Equipment Automation | √ | Unable to automate gaskets | High environmental requirements
High equipment cost |
| Smell | √ | Strong odor | √ |
| Chemical | √ | Toluene, xylene
Immersion and direct dissolution |
Toluene, xylene
Immersion and direct dissolution |
| Density | 85-200kg/m³ 4-13g/m |
500kg/m³ 20-35g/m |
11-15g/m (determined by the amount of glue) |
| Storage Stability | 3 years | 1 year | 3 years |
| Price | √ | Price is 8 times higher than EVA | Price is 6 times higher than EVA |
| Resilience | Multiple use is not recommended | √ | √ |
Details
| REF | WATLA |
|---|---|
| Composition | 87% Polivinyl, 6,5% PES, 6,5% CO |
| Width | 140 |
| Height | 100 |
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