Universal Blue Non-Setting Sealants
 Hylomar Universal Blue is a polyester polyurethane polymer that is applied as a thin film on flat machined surfaces to form a non-setting seal. It does not go hard, it does not cure, and it resists high temperatures (up to 350C / 600F and is tolerant to many fluids and gasses, including oils, fuels, CFCs, coolants, etc. Hylomar Universal Blue comes in several grades and viscosities, depending on its purpose, including Aerograde PL-32, Univeral Blue, RF, Racing Formula, Advanced Formula (AF), and as an Aerosol.
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