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A4338A
A4338A
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Paste Type:
Conductor
Substrate:
Alumina (Al2O3), Zirconia (ZrO2), Titania (TiO2)
Application Method:
Brushing
Application:
Specialty
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Description & Key Features
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
Paste Properties
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 condition at 5 – 25 °C
Warranty
Material guaranteed to meet specifications for 3 months from date of shipment.
Processing
Printing Parameters
280 mesh stainless steel screen. 0.5 mil emulsion
Drying Temperature
125°C peak temperature 15 minutes at peak temperature
Process Temperature (TDS)
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