Originally Posted by Lawrence
Norselay was developed as a product to support antennae in the Sahara Desert since the galvanized wire would become sand blasted and corrode quickly. As a result there is no problem with UV protection.
Although the Sahara Desert can be challenging to any material, the oceans are a different matter and the Equatorial and Tropical salt water environment
is a whole other matter. The intensity of the sun is incredible and FRG, colored canvas/sunbrella, vinyl, rope/lines/cords and everything else non-metallic are "eaten" by the sun's UV in a year or two or three. With stainless steel
rigging such considerations are totally avoided.
- - UV protection (other than a metal covering) works by the protection chemical absorbing the UV and is broken down in the process - just like "Sun Lotions with a SPF rating." Once the protecting chemical is "used up" that is the end of the protection. And then the plastic covering rapidly disintegrates.
- - Now you have the galvanized steel wire exposed to the salt water environment
. Those of us who have been in the Tropics for a few years know how soon your galvanized anchor
chain starts to rust in today's oceans.
- - I would think that even in the "olden days," when sailors only had galvanized steel rigging, they was a reason for using the oils and tars to protect their standing rigging. All of this is a lot of continual work when the use of stainless steel rigging is "maintenance-free," baring any physical damage, for a decade or two or three. There are too many things on a cruising boat to maintain already and adding a major - IMHO - pain in the ass process of oiling/tarring/whatever to your standing rigging is over-the-top since it is not needed if you use stainless steel.
- - It would be very interesting to know what the length of time is that the company making Norselay warrants the life of the product to be when used in the Tropical/Equatorial Oceans.