... the long-term exposure can also harm people, and does not produce toxic gases when burnedSize and thickness The thickness ... characters: 3mm, 5mm, 10mm, 15mm, 20mmApplications 1, construction: windows, soundproof windows and doors, mining mask, telephone booths, etc. 2, ad: ... 3, transport: trains, cars and other vehicles, doors and windows 4, Medical: baby incubators, a variety of surgical medical ...