ADCR Consortium
ADCR and Chromates Reauthorisation
ADCR Consortium
The ADCR Consortium, created in 2019, has submitted a suite of 21 Authorisation dossiers, for 11 uses of five substances (see Tranche 1 table below).
Since end of 2024, and early 2025, ADCR authorisation holders have received 12-year authorisations in both EU and the UK.
The first submission of applications, referred to as Tranche 1, was submitted in 2023 under both EU REACH and UK REACH, and a second submission, Tranche 2, was submitted in May and June 2024 (EU and UK respectively).
ADCR are awaiting the outcomes from the authorities (UK HSE and ECHA) assessment of the Tranche 2 submission. The outcome in UK of Tranche 2 is expected later in 2025. Substance/use combinations supported in Tranche 2 are found in Tranche 2 table below.
Both Tranche 1 and Tranche 2 submissions are found in the ADCR Communication ‘Summary of ADCR applications submitted in EU and GB and decisions status’ (pdf, version 5 March 2025).
Tranche 1 use/substances combination table
| Uses of Cr(VI) substances for (re)authorisation | Chromium trioxide | Sodium dichromate | Potassium dichromate | Sodium chromate | Dichromium tris(chromate) |
|---|---|---|---|---|---|
| Anodising | X | ||||
| Conversion coating | X | X | X | X | |
| Electroplating | X | ||||
| Passivation of (non-Al) metallic coatings | X | X | X | ||
| Passivation of stainless steel | X | X | |||
| Anodise sealing | X | X | X | X | |
| Slurry coatings | X | ||||
| Chromate rinsing after phosphating | X | ||||
| Inorganic finish stripping | X | X | |||
| Pre-treatments | X | X | |||
| Formulation | X | X | X | X |
Tranche 2 Submissions
The table below shows the Tranche 2 submissions use/substance combinations.
