Black Color Good Insulation Overglaze Thick Film Paste for
Stainless Steel and Ceramic
FG8503 series is a black color environmental friendly high
temperature overglaze paste designed as overlay or interbedded
insulation. It is non-toxic element up to European RoHS
environmental regulation (2002/95/EC), and has good compatibility
with various ceramic substrates.
Also, if a protective insulation is required for the heating
element, the same dielectric paste that has been used to insulate
the steel also could be chosen.
The overglaze paste FG850X series including FG8503 could be screen
printed on ceramics and stainless steel substrates for applications
such as resistor networks, resistor plate, heating element,
sensitivity element for protective insulation purposes.
It is dried at 125℃ and fired using a one hour 850℃ profile in a
belt furnace with 15 minutes at peak temperature.
Overglaze Thick Film Paste FG8503
|Solid Content (%)||76±1|
(5%H 2 SO 4 30min)
(Stainless Steel mesh)
|Typical Drying Condition||100~150°C/(8-10min)|
|Typical Firing Condition||850°C/(8~12min)|
|Shelf Life||Six Months from Date of Shipment|
1. Excellent insulating resistance
The overglaze insulating paste FG850X series is with excellent
insulating resistance. The high breakdown voltage could be up to
2000 VAC/min (fired thickness >80μm, 25℃).
2. Low thermal expansion coefficient, small distortion
The thermal expansion coefficient of the overglaze insulating paste
FG850X series matches perfectly with the stainless steel plate.
3. Strong adhesion
The overglaze insulating paste FG850X series is with strong
adhesion. Place the heating plate on a round tube of 40mm diameter,
and bend it at 90 degrees with uniform force, no crack on the
dielectric layer of the stainless steel plate.
4. Smooth and fine surface
The fired dielectric surface is with uniform color, and flatness
5. Good process stability
The overglaze dielectric paste FG850X series is fired at 850℃, and
can endure several times of printing, drying and firing process
6. Environmental friendly, up to RoHS regulation
This overglaze dielectric paste contains no toxic materials and
heavy metal ions such as lead, Cadmium, nickel, and it is
environmental friendly and meet environmental standard of RoHS
7. Perfectly match with the resistor paste, dielectric paste and
The overglaze paste is with good compatibility with resistor paste,
dielectric paste and conductor paste. After fired, there is no
bubbles, no obvious yellowing, and with smooth and dense surface.
The resistance re-fired drift is within 5%.