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In past years many types of elastomeric and coating specific polyurea have been put on the market. Only in some of these cases we can talk about “real” polyurea, while in others, we speak of other products improperly named.
The technology of polyurea system has unique and important features that is essential to recognise and distinguish. In too many cases in the market a system is defined pure polyurea or polyurea with the simple aim of confusing the buyer and, therefore selling a material without it has the appropriate features.
In many other cases, polyurea has been touted as a miracle product, usable in all conditions, to be sprayed on water and the optimal solution under any circumstances.
Both these conditions, together with the general lack of knowledge of chemistry and application methods of the product, have caused confusion in the market and in many cases unfortunately, disastrous results.
Our purpose is not to determine who is right and who is wrong or elevate us to only producers of the correct system, rather, we like to provide our clients with the proper tools to evaluate and choose the best solution to their problem.
A small technical study: CHEMISTRY OF POLYUREA
There are very important differences and similarities between polyurea and polyurethane when their chemistry is understood.
The first thing to say is that both systems can use the same (or similar) “A” component (ISO). Therefore the main differences are found in the “B” component (POLYOLS) of the system.
Come scegliere quindi il prodotto più adatto alle Vostre esigenze?
Often, many applicators ask for polyurea, but do they actually mean specifically a polyurea? Or rather they want a product that is fast curing, solvent free, curing at low temperature, soft, flexible and with high physical characteristics?
Both systems, polyurethane and polyurea, meet this description. For decades the two products have mutually chased: both, in fact, have special applications in which the characteristics of each of them can excel. Without emphasising any one we will always find a specific product for the specific application.
One product, one technology cannot be considered as the only solution for all uses.
This is the reason why hundreds of manufacturers are developing different systems and different products. Let us add that a thoughtful manufacturer takes time and reflects before recommending the best product for an application, whether polyurethane or polyurea, in order to optimise the application and get the best results.
If you are recommended a “miracle product” as the solution to everything, be careful: some problems are on the way.