Technical datasheet
PARALOID™ A-21 Themoplastic Solution Resin (30%)
Supplied byDow- Last Updated on Aug 21, 2024
PARALOID™ A-21 Themoplastic Solution Resin (30%) by Dow Chemical is a methyl methacrylate thermoplastic acrylic resin with enhanced adhesion properties. It is provided as a 30% solution in a toluene/butanol system. The polymer is also available in a solid grade form. Lacquers formulated with PARALOID™ A-21 Thermoplastic Solution Resin (30%) possess excellent intercoat adhesion, hardness, and outdoor durability. PARALOID™ A-21 Thermoplastic Solution Resin (30%) will air-dry rapidly to give clear, colorless films that have excellent resistance to yellowing. Used in lacquers, vinyl and metal clear coatings, gravure inks and overprint varnishes, top coats for plastic, coatings for aircraft and auto refinishing.
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PARALOID™ A-21 Themoplastic Solution Resin (30%) properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flash Point, Closed Cup | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Glass Transition Temperature (Tg) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hardness | 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 |
| Solid Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility Parameter | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |





