- Paste Type: Conductor
- Application Method: Brushing
- Substrate: Alumina (Al2O3), Zirconia (ZrO2), Titania (TiO2)
- Metal: Pt
- Application: Specialty
- Description: A4338A is an unfritted platinum paste, which fires to a pure platinum surface. A4338A has a rheology suitable for brushing.
- Key features: Unfritted platinum paste
Can be used on alumina, zirconia or titania bodies
- Printing Parameters: 280 mesh stainless steel screen.
0.5 mil emulsion
- Process Temperature: 850 – 1100 °C peak temperature
Dwell time of 9 – 11 minutes
- Film Thickness : Wet: 19 – 23 μm
Dried: 8 – 12 μm
Fired: 4 – 8 μm
- Viscosity: 922 – 1410 cps Brookfield RVT #14 spindle, 6R utility cup at 100 rpm, 25 °C
- Solids: 64.4 ± 1.5 %
- Alloy Ratio: 100