|Prepolymer based on diphenylmethane diisocyanate|
|consumer products and packaging, polyurethanes, poliurethane systems|
Markets and applications:
|adhesives, building & construction, construction adhesives, CASE, adhesives|
|PCC Prodex Sp. z o.o.|
EKOPRODUR RB-2 is a polyurethane adhesive which contains only one component. It is dedicated and recommended for permanent joining of boards e.g. fibreboard, polystyrene, polyurethane and also for joining mineral wool with sheet metal, wood board and plasterboards or tar paper.
EKOPRODUR RB-2 adhesive is a prepolymer based on diphenylmethane diisocyanate (MDI). At room temperature it has a form of a transparent amber-coloured liquid. EKOPRODUR RB-2 adhesive is a highly viscous liquid, with viscosity value ranging between 1500 and 3000 mPa·s. This product quickly and easily reacts (crystallizes) with moisture present in ambient air and crystallizers. For the reason, it is recommended to close it tightly after each use. Additionally, if it is possible, use whole quantity from the container as soon as possible.
EKOPRODUR RB-2 adhesive is relatively simple to use. It may be applied onto joined surfaces manually (e.g. using a spatula), as well as by machine. Laboratory tests indicate that the consumption of adhesive may range from 200 to 500 g/m2. It depends among others, on the porosity of the surfaces and thickness of the applied layer (difficult to control when manually applying product on the surface). The distinctive feature of EKOPRODUR RB-2 single-component adhesive is that it does not contain organic solvents harmful to the human health and environment.
A key factor for suitable curing of the adhesive is the free access of moisture. In case of large, impermeable for water vapour surface it is preferred to spray the surface with the applied adhesive with water spray (no more than 10% by weight). The joint obtains full adhesion after conditioning of even 72 hours at room temperature (initial mechanical resistance of the adhesive is obtained after 24 hours). The adhesive retains its mechanical properties in a temperature range from -40°C to over 80°C.
Main application advantages of the product:
Properties of EKOPRODUR RB-2 adhesive (standard version):
Adhesive properties depend on the amount of catalyst, the purpose of which is to suitably shorten the above times.
Properties and applications:
Show alternative names
Polyurethane; PU; PUR (Hide)
|polyurethane adhesive binder panels prepolymer ekoprodur|
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