LEED Compliant (10g/l) Ultra Low VOC No Asbestos Safe for Acrylic Mirror Gunther Premier Plus is a high strength adhesive designed to achieve maximum permanent bond to many types of substrates drywall, concrete, wood, metals and dry primed surfaces. Premier Plus can be used on CRL Category II Safety Backing only. Gunther Premier Plus is recommended for use with acrylic mirror meeting federal specifications and will withstand exposure to UV light. Contents : 10.1 fl oz (299 ml) Additional Product Information: Gunther Premier Plus is gunnable from 60°F. to 100°F. Premier Plus can build out to 2-inches or compressed down to 1/32". For best adhesion surfaces should be dry, clean and above 60°F. Gunther Premier Plus holds firmly, yet absorbs movement due to expansion and contraction. Will not become brittle with age, ever. Great for high traffic areas such as gymnasiums, hallways, etc. At normal room temperatures and humidities Gunther Premier Plus cures to 30% of maximum strength in 24 hours and cures to 100% strength in seven days.