Is spar varnish and spar urethane the same thing
Posted 06 December 2007 - 02:58 AM
Tung oil varnishes are traditional, give a nice mellow tone, but take an age to cure.
PU varnishes are sometimes a little less fussy to apply, cure more quickly, dry a bit harder and are very clear, some say too clear.
Posted 06 December 2007 - 09:27 AM
Modern marine varnishes are more sophisticated, but are generally separated into two categories, those using alkyd and natural resins, and those formulated with polyurethane (PU) resin. Typically, the PU based varnishes are less durable when exposed to the elements, especially direct sunlight, but for short term exposure, as a fly rod receives, are good enough.
I have used both on my rods, and have yet to find a reason to prefer one over the other, except perhaps tradition. Ease of handling, appearance, cleanup, availability and cost are all about equal.
Posted 06 December 2007 - 07:16 PM
Posted 06 December 2007 - 07:54 PM
Posted 07 December 2007 - 08:01 AM
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