WACKER® Primer G 719
- Chemical Family
- Silanes, SiloxanesSilanesSiloxanes
WACKER® Primer G 719 is a solvent-based mixture of siloxanes and reactive silanes used as an adhesion promoter for silicone rubbers. WACKER® Primer G 719 is a solution of siloxanes and reactive silanes in organic solvents. It is used to pretreat metallic, ceramic, glass, or other polymeric substrate surfaces to enable excellent adhesion towards subsequently vulcanized ELASTOSIL® R plus or LR silicone elastomers (addition curing).
Product families
- Primers & Sealers
Other characteristics
- Brand
- WACKER
- Features
- Excellent Substrate Adhesion, Good Adhesion
- Product Type
- Primer, Solventborne Coating
- Primer
- Solventborne Coating
- Application Method
- Brush, Dip Coating, Spray
- Carrier
- Solvent-based
- Properties
Provides excellent adhesion onto various substrates.; Solvent based; Various application methods (e.g. coating, dipping, brushing, spraying); Further dilution in organic solvents possible
- Technology
- Ready-to-Use Products
- Packaging Type
- Bottles
- Drums
- Pails
- Application Methods
- Brush
- Dip Coating
- Spray
- Storage Information
WACKER PRIMER G 719 is sensitive towards humidity. In contact with moisture the liquid primer becomes turbid and the adhesive strength of the primer is impaired. WACKER® PRIMER G 719 should therefore be stored in a sealed container after usage. In addition, it is strongly recommended to stir or shake the primer horoughly before applying.
Technical data
Table 1 of 1
6 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Density (at 23°C) | 0.9 | g/cm³ | ISO 2811 |
| Dissipation Factor (tan δ, at 50Hz) | 5 x 10⁻³ | — | IEC 62631-2-1 |
| Electric Strength | 25 | kV/mm | IEC 60243-1 |
| Solid Content | 25 | % | — |
| Viscosity | 3 | mm²/s | DIN 51562-1 |
| Volume Resistivity | 10¹⁶ | Ohm-cm | IEC 62631-3-1 |
