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Chemetall’s metal pretreatment technology can be found in more than 50% of all cars produced globally. Our technology offers long-term corrosion protection and ensures optimal paint adhesion. In order to meet the growing demand for sustainable and innovative multi-metal pretreatment processes we offer our eco-friendly Oxsilan® thin-film technology.

Metal pretreatment plays a vital role in automotive manufacturing. When it runs smoothly, it results in a perfect surface. An optimal paint gloss can only be achieved with an adequate paint system and metal substrate. This is why Chemetall works very closely with all leading paint producers. Together, we optimize existing processes and develop new technical solutions for product innovations.


Sustainable and innovative pretreatment of metals

Stricter environmental legislation, lightweight construction and the growing mix of metals used on car bodies and automotive components have led to an increased need for alternative conversion coatings. With our Oxsilan® thin-film technology, we offer an sustainable and innovative process suited for multi-metal applications. With our nickel- and phosphate-free Oxsilan® thin-film technology, we can save up to 40% CO2, 50% water and up to 90% sludge compared to conventional processes. Around the world, more than 50 automotive manufacturers and suppliers are already relying on our Oxsilan® thin-film technology.


Global network of expertise

As a global market leader in surface treatment solutions we are working with nearly all the automotive manufacturers worldwide on the development of advanced one-stop solutions for the cleaning and pretreatment of the many metal substrates in the automotive sector. With our global network we can offer you a complete, reliable and excellent service at your premises. Due to this presence in the regional markets, we understand local market demands and can competently and quickly address the respective issues that vary from country to country. Benefit from our longstanding global experience in your line of business and from our top-quality and eco-friendly technologies.


Our technology portfolio:

Metal pretreatment solutions for the paintshop:

  • Oxsilan® - eco-friendly, multi-metal thin-film technology
  • Gardo®Flex – advanced zinc-phosphate technology
  • Gardoclean® cleaner
  • Gardolene® activating and passivating agents
  • Gardobond® conversion coatings

Maintenance technologies for the automotive production:

  • Purge cleaner – VOC-free Gardostrip® P Technology
  • Water treatment
  • Paint detackification – Gardofloc® technology
  • Inter-operational cleaning

Metal Forming

  • Gardocool®
  • TechCool®
  • Hebro®lub coolants,
  • Gardolube®
  • Gardomer® lubricants

Non-destructive testing (NDT)

  • Britemor®
  • Checkmor®
  • Lumor®
  • Supramor® products for non-destructive testing (NDT)


  • Sustainable success due to close collaboration with all major paint manufacturers and plant engineers
  • Global key account organization with local customer support
  • Internationally harmonized product and service standards
  • Comprehensive technical support and know-how for your pretreatment process




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