For its Alexit coating systems, the Hamburg-based coatings manufacturer Mankiewicz Gebr. & Co. KG
uses hardeners from Covestro
The Bayhydur ultra products used are part of the ultra line and contain less than 0.1 percent by weight of residual monomers.
“Improved, application-oriented occupational safety is a quality attribute that enhances our portfolio,” said Dr. Heinz-Wilhelm Wilde, head of R&D in the automotive coatings division at Mankiewicz. “Thanks to the new ultra line from Covestro, we are also already well prepared to meet the requirements of customers and authorities in the future.”
For Mankiewicz, it is particularly important that the coatings based on the Covestro ultra line are not subjected to expensive and tedious technical testing at customers from the automotive industry and other industrial sectors.
“The quality of the ultra products is at the same high level as previous hardeners; only the specification range of the residual monomer content was reduced,” said Dr. Markus Mechtel, expert for automotive coatings at Covestro.
The reduction of the residual monomer content was made possible by continuous process improvements at Covestro.
“We were able to fully replace the Covestro hardeners previously used in our formulations with the ultra products," said Dr. Felix Niefind, laboratory manager at Mankiewicz.
Niefind will report about Bayhydur ultra 2487/1 and other raw materials for coatings of the ultra line at the European Coatings Show 2019
(March 19–21 in Nuremberg).