TEOS Etchant

! Production discontinued !

We have received a notification from the manufacturer that the production of  TechniEtch SO102 has been discontinued and is no longer available.

For more information, please contact us: tech(at)
Thank you for you understanding!

General Information

Tetraethylorothosilicate (TEOS) etch solution which contains special additives for excellent wetting capability, dispersing and etch rate control.

SO102 (A) standard AF HF etchant, B) SO102)

Technical Data Sheet:

For further information please refer to the technical data sheet:
> TechniEtch SO 102 (SPEC)
Wet Etching
> Wet etching metals

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Sales Volumes, Purity Grade and Shipping

Available Sales Units:

  • Production discontinued

Our typical lead time is 1-3 working days within Germany, lead times to other countries on request. On demand, in urgent cases our etchants can be shipped within 24 hours to a destination inside Germany.

Please send us your request.

e-mail: sales(at)
phone: +49 (0)731 977 343 0
fax: +49 (0)731 977 343 29

Thank you very much for your interest!

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