A high efficiency (HE), 2-part system which is our most cost-effective sprayable silver system. It quickly produces clear bright silver on glass. Kit components are He-600 S Silver Solution, He-600 R Reducer Solution, and He-600 D Sensitizer Solution. Please refer to TDS and/or application instructions for details on how to apply. Recommended Supplementary Solutions: #87 Degreaser, polishing compound of choice, and mirror backing paint of choice