Si3N4 Ceramic Ball 
Material: Silicon Nitride 
Diameters: 0.8mm to 25.4mm 
Precision grades: GB/T308 & ISO3290 G5-10-16-20-40-100-200
                  AFBAM G500/G1000 
Products: High strength, high temperature performance, Non-magnetic,Excellent wear resistance, Corrosion resistance in acids and alkalis 
Applications: Ceramic bearings, Petroleum exploration

 

It has many advantages in applications where metals or alloys can not be used.
Broad operating temperature(-400°F to +500°F)
chemical inertness to most corrosive liquids or gases
extremely low coefficient of friction.
PTFE balls are highly functional in self lubricating conditions such as ball bearings.
In the fluid handling industry PTFE balls are used in ball valves that have contact with extremely corrosive liquids.
The PTFE ball has reduced maintainance costs and man hours in the field by eliminating the replacement of valve components subjected to corrosive environments.

2.Specification
1) Meterial:PTFE
2)Dia:3~100mm
if your specifications and sizes are not listed in here. Please feel free to contact us through email or telephone as some certain specifications and sizes could be customized according to your request.

Surface:
A. flat and tidy
B. no defects of crevices layers and separation
C.The best precision is 0.01mm.
D.In the fluid handling industry, PTFE balls are used in ball valves that have contact with extremly corrosive liquids.