5000 Piece/Pieces per Month Protection Tubes sample order are available
Packaging & Delivery
1.inner foam with outter polywood case
2.inner foam with outter carton packaged on plastic pallet
Express Courier/ Air/Ocean Freight Service
99% Pure silicon nitride thermocouple protection tube for nonferrous alloy industries
Kaixin Special Materials techonolgy Co.,Ltd.,, offers a family of foundry accessories made from silicon nitride, a high-strength ceramic material with excellent resistance to corrosion and high temperatures.
Silicon nitride is an extremely efficient material for temperature measurement and control of aluminum and many nonferrous alloys. Silicon Nitride Thermocouple Protection Tubes exhibit excellent performance under corrosive and abrasive conditions and very high temperatures.
- Features -
• Long life typically >12 months
• Excellent temperature response – melt temperature can be determined after approx. 1 min.
• Unaffected by corrosion throughout its lifetime
• Can be used in melts containing sodium and strontium
• No melt contamination
• High temperature resistance up to approx. 1,300°C
• High thermal shock resistance
• No preheating required at operation temperatures below 900°C
• Resists build-up of dross
• Electrically insulating
• High abrasion and erosion resistance
• Easy cleaning of bake-on
• Best price/performance ratio
Density (g/cm3 )
Cold crushing strength
Highest use temperature in air (℃)
Highest use temperature in protective atmosphere(℃)
Cold bending strength (MPa)
High temperature bending strength(MPa)
Outside Diameter (mm), a
Inside Diameter (mm), b
Max. Length (mm), c
1)Kaixin advanced ceramic products are manufactured at ISO 9001 certified facilities. Our manufacturing processes are optimized for quality, efficiency and consistency – helping ensure reliable and repeatable product performance
Acceptable: + ; Good: ++ ; Very good: +++
These values are for information only and do not constitute a contractual obligation.
3)For size ,With circumferential flat bottomed or hemispherical groove on request.
Other sizes and groove designs available on request.
We offer full ceramic and steel flange systems in both standard and custom sizes in order to provide the best adaptation to your furnace configuration.
Packaging & Shipping
We ensure to offer safe package and fast delivery for all our customers .
1.for big size cylinders : plastic pallet
2.for small size cylinders :polywood case with inner foam
1.By sea / By air / By courier (DHL, UPS, TNT, FEDEX, EMS express are available )
2.As customized requirements
Hengyang Kaixin established in June,2013, is specialized in designing and manufacturing of special ceramic material products.Our main product like Silicon nitride stalk,thermocouple protective tube,plunger,crucible,milling ball,industrial heating rod,radiant tube,electrode protection cover,which are widely used in military project,aerospace and navigation,smelt,chemical industry,electronics,medicine.
Through years of research and development and technology accumulation,the mature modern production line have been gradually established, to internationalize the high purity silicon nitride special ceramic materials as our own task,we give full play to the advantages of technology and repay the society with high quality products and satisfactory service.
In a policy of 'Careful Design, Sincere Service, International Level and Customer First', we provide high-quality products and services for the customers.We sincerely welcome friends at home or abroad to visit and seek mutual development.