Copolymer of vinyl acetate and crotonic acid. Acts as a polymeric processing aid and an adhesion promoter. Allows easier processing or easier incorporation of difficult fillers and additives. Significantly lowers formulation viscosity. Provides shrinkage compensation. Improves surface quality and smoothness. Reduces deformation and tension in polyester-resin components. Offers good mechanical properties and enhanced adhesion to many substrates, such as paper, cardboard, wood, leather, glass, metal and plastic. Recommended for bulk molding compound, pultrusion, resin transfer molding and sheet molding compound. Compatible with unsaturated polyesters and polystyrenes.
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VINNAPAS® LL 8251 properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Acid Value | 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 |
| K value | 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 |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Volatile Content | 0.0 Visible After Login | Visible After Login | Visible After Login |