Basic Information
What is Polyurea?
Polyurea is created by the chemical reaction (polyaddition) between a di-isocyanate (NCO-R-NCO) and a polyamine (NH2-R-NH2), without the aid of a catalyst or an additional cross linker. It is usually applied using a spray coating system in a 1:1 mix ratio.
Attention!!!
Polyurethanes and so-called hybrids (a mixed polymer of urea- and urethane groups) are also 1:1 spray systems, but these contain a 3rd component (a catalyst, usually mixed in with the polyol / polyamine component) to reduce reaction time and achieve the necessary cross linking.
In Europe, systems containing a minimum of 70% pure polyurea can be sold under the name “Polyurea”.
100% polyurea can be/is identified with an official label from the PDA Europe or in the technical data sheet as “100% solid polyurea”. Beware of the description “based-on” 100% polyurea – as this can also mean that the system only contains 10% “pure” polyurea.
What types of polyurea systems are available?
Author: Thomas Wolf, Projektleitung, Nolax AG, thomas.wolf@nolax.com High bonding forces due to the combination of adhesion and form closure: Bonding to the metallic top layer ... - EPUJ 01-02 2021
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Krebs is specialised in offering corrosion protection in offshore environments. Corrosion protection provider Krebs Korrosionsschutz GmbH was searching for a polyurea supplier for a new ... - EPUJ 08-09 2020
Save the Date and Call for Speakers! PDA Europe is organising its Annual Conference and Exhibition on 17th-18th November 2020 in Porto, Portugal. The applications of ... - EPUJ 06-07 2020
Over 70 polyurea industry representatives from across Europe but also the Middle East and the USA attended the PDA Europe Annual Conference and Exhibition ... - EPUJ 01-02 2020
Graco equipment was used to prepare the surface and then spray a number of different coatings on 22,000 square meters of concrete in a ... - EPUJ 01-02 2020
As part of a rehabilitation project at a large-scale plant in Bucharest (Romania) the showers and toilet facilities had to be sealed with Hertec ... - EPUJ 01-02 2020
To get a cow to calve hygienically, quickly and without stress, it is important to provide the animal with perfect flooring in the calving ... - EPUJ 01-02 2020
Arpadis have been appointed as the official distributor for the Teraspartic range of polyaspartic amines, manufactured by Pflaumer Brothers Incorporated. The distribution agreement covers ... - EPUJ 09-10 2019
