NF A91-501:1991
Phosphate conversion coatings for metals. Method of specifying requirements.

Standard No.

NF A91-501:1991

Release Date

1991

Published By

Association Francaise de Normalisation

Status

Withdraw 2011-02

Replace By

NF A91-501:2011

Latest

NF A91-501:2013

NF A91-501:1991 history

• 2013 NF A91-501:2013 Metallic and other inorganic coatings - Phosphate conversion coating of metals
• 0000 NF A91-501:2011
• 1991 NF A91-501:1991 Phosphate conversion coatings for metals. Method of specifying requirements.