Si3N4 Silicon Nitride Ceramic Protection TubeGas pressure sintered silicon nitride (GPSSN) is a sintering processing at high temperature after isostatic pressing of silicon nitride powder with other additives. The nitrogen pressure (<20mpa) during sintering could restrain the dissociation of si3n4 and get the full sintering at high temperature, which make the silicon nitride products to highest density and lowest porosity.
Advantage:1. Moulding: Cold isostatic pressing(CIP)2. Sintering: GPSN/RSSN3. High strength and good compactness4. Low thermal expansion coefficient5. Excellent thermal shock resistance6. No wetting by molten aluminum and non-ferrous metal7. Good corrosion resistance
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We are professional manufacturer in China ,and have in this line for almost 10 years.
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