DOWSIL™ 31-441 Additive by Dow acts as a processing aid for polyamide (PA)-based composites. It improves PA processability and injectability. It improves the extrusion process by decreasing screw torque and melt temperature. It has a dual effect on surface properties by reducing coefficient of friction (COF) at lower loadings than polytetrafluoroethylene and improving scratch resistance. It shows minimal to no impact on mechanical performance. It is easy to use and apply in dry blending with pellets or powdery additives. DOWSIL™ 31-441 Additive has a shelf life of 24 months.
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DOWSIL™ 31-441 Additive properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Flash Point | 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 |
| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Thermal Stability | 0.0 Visible After Login | Visible After Login | Visible After Login |