Crucibles, stirrers

Crucibles and equipment for crystal growth


Application: for crystal growth

Regulatory document: company standard STO 00195200-063-2011, STO 00195200-095-2016, technical specifications TU 1995-475-00195200-2006*

*Upon request, crucibles and equipment can be manufactured in accordance with the customer’s drawings.

Material and dimensions:

Material Diameter, mm   Wall thickness, mm  Height, mm 
 Min  Max  MinMax  MinMax 

Iridium Ir99.9; Ir99.8; Ir99.95


Platinum Pt99.8, Pt99.9, platinum alloys PtRh93-7, PtRh90-10, PtRh80-20, PtRh70-30

Zirconium oxide stabilized alloys: Pt99DU and zirconium oxide stabilized alloys Pt99DU with cladding layer of platinum Pt99.9 (B Pt99.9+Pt99DU)

Note – crucibles can be made of other platinum-based alloys upon the customer’s request.


EZOCM produces crucibles of various types depending on the purpose and material:

  • Cylindrical - TCA type
  • Conical - TKA type
  • Cylindrical with thickened bottom - TCB type
  • Conical with thickened bottom - TKB type
  • Cylindrical with reinforced rim - TCG type
  • Conical with reinforced rim - TCV type

In addition to crucibles, lids, screens, holders, funnels, etc. can be manufactured upon the customer's request.

For further details, please contact us.

To place an order, kindly provide information as below: 

CategoryProductRequired informationOrder quantity
Technical productsCrucibles; other technical products

1. Alloy, contents of major alloy components;

2. Product number or product drawing.

3. Unit pricing (per 1 gram of alloy/per piece; counting per piece)

Required quantity, unit of measurement

Make a request