Picture2 International Fiber Journal February 15, 2019 8 Views Nolla Silver Polymer: Crystal-clear liquid polymer contains 7,500 to 120,000 ppm of active silver and is highly effective against viruses, bacteria and fungi. Nolla Silver Polymer: Crystal-clear liquid polymer contains 7,500 to 120,000 ppm of active silver and is highly effective against viruses, bacteria and fungi.