The present invention is an improved material and method for use for providing diffuse reflectivity of light. By employing an expanded polytetrafluoroethylene (PTFE) comprising a microstructure of polymeric nodes and fibrils, the material of the present invention demonstrates exceptional diffuse reflectivity...http://www.google.com/patents/US5596450?utm_source=gb-gplus-sharePatent US5596450 - Light reflectant surface and method for making and using same
