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VW351: Hydrophilic Masterbatch Polyvel’s VW351 hydrophilic melt additive masterbatch is an effective wetting agent for melt blown non-woven polypropylene and polyethylene fiber. VW351: - Increases melt blown non-woven polypropylene fiber wettability at 5% - Makes fiber instantly wettable off line at 6%
* Absorptive capacity = number of times weight increased compared to original dry fabric weight (ASTM test method D1117-77)
VW351
%
0.0
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
0 – No absorption 1 – No absorption, slight trailing 2 – Slight absorption, trailing and decrease in contact angle 3 – Slight absorption, significant trailing and decrease in contact angle 4 – Absorption, significant decrease in contact angle |
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