silicon nitride ceramic ring

Gas 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.

1. Moulding: Cold isostatic pressing(CIP)

2. Sintering: GPSN/RSSN

3. High strength and good compactness

4. Low thermal expansion coefficient

5. Excellent thermal shock resistance

6. No wetting by molten aluminum and non-ferrous metal

7. Good corrosion resistance

Common size:

Inner diameter: φ50~200mm.

Length: 500~1100mm.

We can also prodcue other sizes according to your drawing.

We are the most largest factory for silicon niride products, aluminum titanate products and 

alumina products in China, there’s more than 100 people and 8 production lines in our company.

Our products have been sold to all over the world.

Welcome to visit our factory!

 FAQ:

1 How about your QC system?

   We have ISO9001 certification.

2 What’s the MOQ?

   1piece or 1set.

3 What’s the delivery time?

   15~30days, it depends on your quantity.

4 Can you provide sample?

   Yes!

5 Are you manufacturer or trading company?

  We are manufacturer in Zibo city, China. Welcome to visit our factory!