Polyvinylpyrrolidone K-90 is a non-ionic polyvinyl pyrrolidone (PVP) polymer by Nippon Shokubai. It possesses good affinity to various polymers & resins, high hygroscopicity, good film forming property, very good adhesiveness and good chelate complex formation property. It shows good solubility with water and organic solvent. Polyvinylpyrrolidone K-90 is recommended for water-activated envelops & stamps, pressure sensitive adhesives, glue sticks and bookbinding applications.
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Polyvinylpyrrolidone K-90 properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| K-Value | 0.0 Visible After Login | Visible After Login | Visible After Login |
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| Solubility Properties | Element | Condition | Method |
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