HYPERDESMO-T Transparent Polyurethane Membrane/Topcoat 20 lit/5.28 gal, 10 lit/2.64 gal, 4 lit/1.06 galHYPERDESMO T is a one component high solids, polyurethane fluid, which cures with the humidity in the atmosphere. It produces an elastic, highly durable, highly hydrophobic membrane with excellent UV resistance. Being aliphatic, it does not yellow discolour when exposed to sunlight. It is based on pure elastomeric, hydrophobic, aliphatic polyurethane resin, which results in excellent mechanical, chemical, thermal, UV and natural element resistance