de-coat 231
For removing Cr and CrN bonding and
standard coatings on HSS and tool
steels
Suitable for use in soaking baths and ultrasonic
cleaning systems
Application
deconex de-coat 231 is a powder product used for removing
the following coatings:
ƒƒ Cr
ƒƒ CrN
ƒƒ AlCrN
ƒƒ TiSiN/AICrN
ƒƒ Si3N4
ƒƒ Si
ƒƒ SiC
on the following substrates:
ƒƒ HSS
ƒƒ Tool steel, e.g. 1.2067 (100Cr6), 1.2379
ƒƒ Titanium
Certain technical conditions must be present before decoating
can begin. Contact us for further details about technical conditions.
Ingredients
Oxidizing agents, corrosion inhibitors, alcalis
Dosage
Coating
Dosage (in g/l)
*De-coating time
Cr bonding coating 1)
150
1-15 min
150
1-15 min
150
1-2 h
150
1-2 h
AICrN
150
2-4 h
TiSiN/AICrN
150
1-2 h
CrN bonding coating
1)
Cr standard coating 2)
CrN standard coating
1)
2)
2)
Thickness of the coating approx. 0.3-0.5 µm
Thickness of the coating approx.2 µm
* The duration of the decoating cycle depends on:
ƒƒ the process temperature selected
ƒƒ the coating quality, i.e. the coating process originally used and coating layers
ƒƒ the coating thickness
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ProdBez_Folgeseite
de-coat 231
Information on use
Material compatibility
When working with Cr6+ solutions you must implement the necessary health and safety precautions.
Suitable for:
HSS, tools steels, e.g. 1.2067 (100Cr6), 1.2379 and titanium.
You must wear the following equipment:
ƒƒ Protective gloves with long sleeves
ƒƒ Eye protection with closed sides
ƒƒ Acid- and alkali-proof apron
For materials not mentioned please make your own specific
compatibility tests or consult Borer Chemie AG.
Decoating with deconex de-coat 231 requires a immersion process. No electrolysis is involved. deconex de-coat 231 can also
be used for high-chrome steels (cold work steels).
Chemical/physical data
pH
1% solution in fully demineralized water
approx. 12.8
Appearance
powder
characteristic
Availability
Additional information
Please ask your local representative about current container
sizes.
For information concerning safety at work, storage, waste disposal and effluent, please consult the safety data sheet and the
decoating and disposal instructions for this product.
Containers, screw caps and labels are made of recyclable
polyethylene.
Take advantage of our expertise! Please, contact us for further
information regarding your specific application.
Manufacturer:
Borer Chemie AG
Gewerbestrasse 13, 4528 Zuchwil / Switzerland
Tel +41 32 686 56 00 Fax +41 32 686 56 90
[email protected], www.borer.ch
All information provided is based on our current knowledge and it does
not constitute a legally binding assurance of specific product properties.
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08.12.2011