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JIMMIE wrote:
I noticed the use of a lot of tie wraps. Its never a good idea to use these exposed to sun light. ============================= Black tie wraps contain carbon black and are hence UV resistant and almost last forever. Coloured or non pigmented plastic will indeed deteriorate due to UV radiation. Polypropylene rope , for example ,is usually coloured but never black. Reason : If black it would not deteriorate due to exposure to UV ,hence it would last far too long and the manufacturers would only need to produce a fraction of their current production. That's commercial life. If you use rope other then polyester (sailing boats etc) try to find a black plastic variety (not easy). My 40 ft mast has (blue)polypropylene guys which need to be replaced every 8 -9 years (even here in northern Scotland) ,but it is cheap compared with polyester rope. Frank GM0CSZ / KN6WH |
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