Polyvel Hydrophilic Concentrate VW351 Wetting Performance
Hydrophilic concentrate for non-woven polypropylene fiber applications
The effectiveness of Polyvel VW351 hydrophilic additive concentrate is illustrated in the chart below.
As a result of improved wet out achieved in the non-woven polypropylene fiber, the fiber rapidly absorbs water.
| | Wetting Performance** |
Level of VW351 (%) | Off Line | 3 Days | 7 Days | 14 Days |
| None | 0 | 0 | 0 | 0 |
| 5.0% | 3 | 3 | 3 | 3-4 |
| 6.5% | 4-5 | 4-5 | 5 | 4-5 |
| 10.0% | 5 | 5 | 5 | 5 |
*Montell HH-442H
**Performance Grading Scale:
0 - No Absorption
1 - No Absorption, Slight Trailing
2 - Slight Absorption, Slight Trailing, Slight Decrease in Contact Angle
3 - Alight Absorption, Significant Trailing, Decrease in Contact Angle
4 - Absorption, Significant Decrease in Contact Angle
5 - Rapid Absorption
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