RayCrete Limitations When Great Just isn't Good Enough

RayCrete works great under most conditions, but here is where we ran into limitations. If you find a solution to any of these problems, please let us know and we will publish it!

Polyethylene and Polypropylene: RayCrete does not bond to polyethylene or polypropylene. If you use RayCrete on these plastics, then it will pop off if pressure is applied to the bond.

Flexible Surfaces: RayCrete is strong, but not particularly flexible. If you use RayCrete on a flexible surface, it may peel way as the surface bends.

Lacquers: RayCrete does not take lacquer for either wood or metal. The lacquer simply fails to cure. We are working on this limitation, since RayCrete is an excellent filler and provides strength to spare.

MEK: RayCrete is unaffected by most solvents (gasoline, alcohols, acids, bases, etc...), but it is affected by prolonged exposure to MEK. After several hours of exposure, blistering will occur and the cured RayCrete will take on a rubbery consistency. Once RayCrete is removed from the MEK, the blisters go away in a few minutes. Within 24 hours the RayCrete will reharden.