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POLYURETHANE RESINS

Elastocoat has high tolerance of ence conditions in actual use. The same technology is finding a
temperature extremes and humidity The M900 acrylic-PUR material fea- home in areas of the transportation
during application, and it features tures strong UV resistance, as well as industry that require a high-quality
seamless sealing of penetrations and water resistance. This latter feature surface. As rail systems upgrade –
undercuts. It also claims a high degree makes it suitable for use in bathrooms faster in Europe, but also to some
of crack bridging, with over 400 as well as kitchens, since it is less likely extent in North America – protective
percent elongation at break. Further, than other PUR coatings to warp or coverings for passenger rolling stock
it reportedly has high resistance to produce an uneven surface when take on increasing importance.
hydrolysis and aging. exposed over time to water vapor. “Heating the drying oven up to 60
The product has particular applica- Covestro has extended the range of deg. C is one of the most expensive
tion in chemical storage tanks. To pre- applications for its PURs, which in- cost factors in coating rail and other
vent leakage into groundwater, most cludes its Blulogiq thermoactivated transportation vehicles,” Covestro
tanks are placed on or into areas called hardener technology. The product states. “This means there is a clear
secondary containments, made of con- range is available in waterborne demand for ambient curing and a
crete. To prevent cracks and leakage, dispersions as well as 70 percent faster production process without heat-
a lining system needs to be installed. bio-based crosslinkers. ing up and cooling down the oven.
Quebec-based Canlak specializes in Its Pasquick curing technology, the “Thanks to our new Pasquick tech-
coatings for wood products. The Ital- company claims, can cut a 24-hour nology, clearcoats and topcoats can
ian-developed Verinlegno line it offers coating job involving a construction be quickly cured at room temperature.
has both standard PURS and acrylic- coating to six hours. This, Covestro Our latest Pasquick developments
polyurethanes, which give clear and states, is important for building areas combine a very fast, ultra-high solid
opaque, and ultra-matte and high- that see a high volume of traffic, or system with best-in-class industrial
sheen surfaces. These materials are are in use on weekends or during ex- hygiene standards.”
especially recommended for kitchen tended hours. Further, the rapid curing Evonik Corp. offers its Vestanat non-
cabinets and children’s furniture, which properties of Pasquick can reduce the yellowing crosslinkers for 2K or1K
are subject to difficult though differ- number of coating layers. thermosetting PUR coatings. These are

COMING UP IN THE
COMING UP IN THE
NOVEMBER/DECEMBER 2020
NOVEMBER/DECEMBER 2020

ISSUE OF CFCM
ISSUE OF CFCM

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inishing
ting and
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• E-Coat • Precious Metal Plating • Biocides, Algaecides, and Preservatives
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38 Canadian Finishing & Coatings ManuFaCturing septeMber/oCtober 2020