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Old 29-08-2022, 02:11   #1
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Which material is most resistant to hard growth.

I want to machine up some guides and runners that will be permanently below the waterline. I like the plastics for weight and cost and ease of machining.

I'm familiar with materials such as acetyl but I'm not sure about hard growth, I think soft growth will self clean as the runners travel but hard growth may jamb.

Does anyone know of any data on this.

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Old 29-08-2022, 03:25   #2
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Re: Which material is most resistant to hard growth.

PTFE?
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Old 29-08-2022, 04:05   #3
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Re: Which material is most resistant to hard growth.

Some plastics swell if continually immersed.
Worth "bearing" in mind
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