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
Metal
Pt
Viscosity
922 – 1410 cps Brookfield RVT #14 spindle, 6R utility cup at 100 rpm, 25 °C
Coverage
210 cm2/g at 6 microns fired film thickness
Coverage
210 cm2/g at 6 microns fired film thickness
Storage and Paste Preparation
Store in a dry location at 5 – 25°C. DO NOT REFRIGERATE. Allow paste to come to room temperature prior to opening. Spatulate well before using, as settling may occur during storage.
Warranty
Material guaranteed to meet specifications for 3 months from date of manufacturing with proper storage.
Printing Parameters
280 mesh stainless steel screen. 0.5 mil emulsion
Drying Temperature
125°C peak temperature15 minutes at peak temperature
Process Temperature (TDS)
850 – 1100 °C peak temperature Dwell time of 9 – 11 minutes