High quality Boron carbide sandblasting nozzle with PU Jacket  

1) Length :from 135-175mm 
2) Bore diameter :6/8/10mm 
3) Thread :Fine thread or coarse thread 
4)Alunimum jacket & PU jacket 

Production process

1.Boron carbide and other raw materials grind in ball crusher(72 hours) 

2.die-filling

3.hot press molding(2500°C)

4.natural cooling

5.Mould unloading

6.end preparation

7.Shell processing and surface treatment

8.Assemble

9.Inspection and storage
 

Technical data

Hardness:HRA92-94

Density:4.50-4.60g/cm3

Bending strength:40kg/cm3

Compression strength:240kg/cm3

Appearance: carbon steel shell after sand blasting and plating, aluminum shell after sand blasting.