Lianyungang Highborn Technology Co., Ltd.

Silicon Nitride Ceramic Grinding, Ceramic Grinding Ball, Silicon Nitride Ball manufacturer / supplier in China, offering Silicon Nitride Si3n4 Ceramic Grinding Ball, Transparent Silica Glass Tubing Heater, Clear Fused Quartz Glass Tube Reactor and so on.

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Silicon Nitride Si3n4 Ceramic Grinding Ball

FOB Price:US $28 - 35 / Piece
Purchase Qty. (Pieces) FOB Price
5-9 US $35 / Piece
10-49 US $32 / Piece
50+ US $28 / Piece
Get Latest Price
Min. Order: 5 Pieces
Port: Qingdao, China
Production Capacity: 65000PCS/Year
Payment Terms: L/C, T/T, Western Union, Money Gram

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Basic Info.

Model NO.:SIN
Application:Refractory, Structure Ceramic, Industrial Ceramic
Material:Hpsn Si3n4 Silicon Nitride Ceramic Rod
Type:Ceramic Balls
Color:Black
Density:3.15
Hardness:16-17
Model:Electrothermal Ceramics, GPS&Ssn
Trademark:HB
Transport Package:Carton Box and Wooden Box
Specification:CE, ROHS
Origin:China
HS Code:6914900000

Product Description

Black Silicon nitride ceramic nozzle
high precise si3n4 Silicon nitride ceramic tube pipe
si3n4 ceramic rod, ceramic shaft, industrial ceramic rod
  
1.Max thermal resistance:1,200 deg
2.Cont thermal resistance:1,000 deg
3.Density:3.15g/cm3
Used in the Moletn AL as protection tubes
 
 
Silicon Nitride (Si3N4) is a relatively costly, high-temperature, structural ceramic
used where heat resistance, hardness, and strength are a premium.
 It is very hard, and therefore can be used in high wear applications or applications requiring a fine surface polish.
Silicon Nitride is fabricated using either sintering, reaction bonding, hot pressing, or hot isostatic pressing.
The material properties resulting from these processes vary considerably.


(1)low confficient of thermal expansion ,only 1/4" of steel ball.
(2)less friction generated in the bearing as heat increases.
(3)low thermal conductivity.
(4)Long life and no need for lubrication.
(5)Anti-magnetic and resistant to corrosion by most substances
(6)light weight ,good surface finish and high temperature hardness.
 
Application:
 
It is suitable for applications where high loads,high speeds and extreme temperatures
It is mainly used in bearing which may work in harsh entironment.


Property

SSN        GPS-SSN         HPSN        RBSN

Density (g.cm-3)

3.28            3.30               3.23           2.5

Young's Modulus (GPa)

285              320                315           189

Bend Strength (MPa)

675              750                850           440

Fracture Toughness K1c  (MPa.m0.5)

6                   7                    8             2.5

Hardness (GPa)

16                 16                  16           7.2

Thermal Expansion Coefficient  (x 10-6/°C)

3.2               3.2                 3.2           3.2

Thermal Conductivity (W/m.K)

25                 30                  30            14

Maximum Temperature (°C) for application
Dielectric Constant
Abrasive Wear resistance Parameter

1150            1150              1150         1100
9                     9                   9            7.5
1110            1130              1120          360

 COMPANY DETAILS:

HIGHBORN is one of the leading high quality quartz glass and precise ceramics manufacturer and supplier in China.
HIGHBORN has always been a defining force in the sale and fabrication of quartz glass within the semi-conductor, chemical, solar Energy and precise ceramics within semi-conductor , solar energy, textile, electronic, and laser industries.

Package:
Carton box,then wooden box to avoid the broken.

Payment term :

T.T OR Western Union OR Credit Card

Delviery time:
about 7 days for the stock sample;
about 20 days for the  bulk quantity.
FAQ
 
 
1.Where is your main market?
We have been exported to USA, Korea, UK, France, Russia, Germany, India, Spain, Brazil etc, so far, there is about 151 countries we have been exported, we also get good reputation from our customers.
 
2. What is your payment term?
We mainly accept T/T, West Union, Credit card and L/C.
Paypal will be available in the near future.
 
3. For alumina ceramic, what about the forming method?
 Drying pressing              
 Isostatic pressing
 Hot pressing casting
 
4.What about the package?
We pack with plastic bubble paper, carton box, then safe wooden box outside, we can control the breakage less than 1%.
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