AR-U2520 by Yong Shun Chemical is a polyester polyol resin. It offers durability, excellent mechanical strength, weather-, water- and chemical resistance. It is made of dicarboxylic acid and glycol, which after an esterification reaction becomes a high molecular weight polymer. It can react with diisocyanate to produce polyurethane resin. AR-U2520 is used in synthetic leather applications.
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AR-U2520 properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Acid Value | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Color, APHA | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hydroxyl Value | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Moisture Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Molecular Weight, Mw | 0.0 Visible After Login | Visible After Login | Visible After Login |