SOLAREZ Epoxy repair putty is a mixture of clear, high strength, fiber reinforced epoxy resin and an amazing solar activated catalyst. There is no mixing required, just use it right from the tube. It gels in 5 seconds, curing in 3 minutes - but ONLY when exposed to sunlight.

A bubble-free mixture and denser cross-linking and surface cure to insure structural integrity. No mixing necesssary.