Follow the link below to download our instructions for removing black marks created by contact of metal items with the surface of low-e glassghttps://www.dropbox.com/s/lm8ivs2t14x2kp3/Formula%20for%20low-e%20black%20lines.pdf?dl=0
Follow the link below to download our instructions for removing black marks created by contact of metal items with the surface of low-e glassghttps://www.dropbox.com/s/lm8ivs2t14x2kp3/Formula%20for%20low-e%20black%20lines.pdf?dl=0