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Our mission is to become the global leader in chromefree surface treatments

Make the switch to a chromefree process without giving in on quality!

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AD International an experienced and reputable partner

A chemical supplier with expert knowledge of metal processing lines

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Knowledge, support and modular products for a wide range of applications

EH&S, REACh and ROHS Compliance

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Improved adhesion, corrosion protection and cost effective processing

Certified products and processes
that exceed the market standard

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AD International: Specialist in chemicals for Metal Surface Treatment

AD develops, produces and supplies metal treatment chemicals for continuous (a.o. coil industry) processes through Coil Coating Technologies (CCT) and chemicals for batch processes through AD Chemicals (ADC).
Our mission is to exceed the current market standard in chrome(VI)-free surface treatments while increasing quality and efficiency in customer processes.
coil coating metal treatment chromefree

Coil industry


Chemical treatments
precoat alumnium pretreatment

Aluminium finishing


Chemical treatments
AD Chemicals pretreatment chemicals steel

General industry (Steel)


Chemical treatments
Galvanizing chemicals passivation

General galvanizing (HDG)


Chemical treatments
cleaners metal surface mechanical pretreatment

One step pre-treatment


Chemical treatments

Customer specific solutions

Do you need advice on metal surface treatment chemicals tailored to your production process? Our Technical Specialists will help you get the maximum out of your production line.

Knowledge, latest news and updates

Flowchar India official distributor

Flowchar official distributor INDIA for AD Chemicals and Coil Coating Technologies

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AD International is honoured to present FLOWCHAR India Pvt Ltd.  as an official distributor of AD Chemicals and Coil Coating Technologies in the AD global partnership network! Flowchar will be your local representative for all metal surface…
ad precoat innovation award

AD Chemicals and Hollandia Infra nominated for Innovation Award ION Borghardt 2018

AD Chemicals, together with steel construction company Hollandia Infra have been nominated for the ION Borghardt 2018 award. The ION Borghardt Award is the acknowledgement for innovation and sustainability. Once every two years, the Ministry…
precoat for blasting

Innovative chromium (VI)- free processes (AD Chemicals/Weert Group)

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  PreCoat Z31 for galvanized steel: First in Europe AD Chemicals (chemical supplier) and Weert Group (galvanizer and powder coating applicator) are introducing an innovative chromium (VI)- free pretreatment system prior to powder…