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Old 07-22-2005, 01:50 PM
Cruzin90 Cruzin90 is offline
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I'm a LINE-X spray-on truck bedliner dealer. Our product is a blend of polyurethane and polyurea. A few points to make:

1. Polyester urethanes are more durable than acrylic urethanes.
2. There are two-part urethanes (polyol resin mixed with a isocyanate (a hardener) and there are one-part urethanes (also called solvent based urethanes) which is urethane suspended in a solvent. Long story short, two-part urethanes are typically harder and more durable than one-part urethanes.
3. There are aromatic urethanes and aliphatic urethanes (depends on the position of the hydrocarbon chains). Aliphatic urethanes are more UV resistant but usually are more expensive.
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