Unique Solutions to Regulatory Concerns Affecting Cobalt and MEKO
June 2016 www.coatingsworld.com Coatings World | 41
to longer dry times due to their volatility
being less than that of MEKO.
Conclusions
Additives manufacturers have developed
less toxic alternatives to cobalt and MEKO
which are both more effective and efficient.
Cobalt Replacement – Iron-Complex
technology is an effective and sustainable
alternative to cobalt driers with the following advantages: no CMR classification
issues; improved film curing properties
under adverse conditions (high humidity/
low temperature) compared to cobalt; and
dried films develop less yellowing compared to films cured using cobalt driers.
MEKO Replacement – Effective, less toxic, aminic-based anti-skinning alternatives
are available with minimal loss of properties
if used at the appropriate levels. CW
