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Ferro CF 7555 Low-Temperature Sealing

Category Ceramic , Glass
Manufacturer Ferro Corporation
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Ferro CF 7555 Low-Temperature Sealing.pdf
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Material Notes:
VITREOUS Typical Powder Form: VSD, TF Ferro's line of low-temperature sealing glasses are comprised of lead-borate (vitreous) and lead-zinc-borate crystallizing glasses formulated to meet specific thermal expansion requirements. Uses include hermetic and compression sealing of IC packages, plasma displays, CRTs, ferrites, fiber optics, as well as other ceramic, metal and glass substrate materials.Information provided by Ferro Corporation
Physical Properties Metric English Comments
Density 5.70 g/cc
0.206 lb/in³
Particle Size 10 - 16 µm
10 - 16 µm
50% of particles, (TF Powder)
>= 16 µm
>= 16 µm
50% of particles, (VSD Powder)
<= 75 µm
<= 75 µm
VSD Powder
<= 75 µm
<= 75 µm
TF Powder
Mechanical Properties Metric English Comments
Heat Seal Strength Initiation Temperature 460 °C
860 °F
15 min
Thermal Properties Metric English Comments
CTE, linear 10.0 µm/m-°C
5.56 µin/in-°F
at Set Pt.
8.70 µm/m-°C

@Temperature 260 °C
4.83 µin/in-°F

@Temperature 500 °F
Softening Point 415 °C
779 °F
Annealing Point 370 °C
698 °F
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