[TowerTalk] [Bulk] Re: Phillystran

[Roger (K8RI) on TT]

Not what my datasheet says about Phyllistran.

73

Roger  (K8RI)

On 3/17/2016 Thursday 11:49 PM, Grant Saviers wrote:
> Kevlar is very UV sensitive but essentially inert to water.  Large 
> deep water anchoring jobs (think oil rigs) and technical/research 
> instrument towing is done with Kevlar lines.
>
> A concern about Phillystran is the water gets inside and freezes, 
> damaging the cover, so do seal the ends.
>
> Kevlar 49 is the fiber in Phillystran.  Everything you might want to 
> know about K49 is at
>
> http://www.dupont.com/content/dam/dupont/products-and-services/fabrics-fibers-and-nonwovens/fibers/documents/DPT_Kevlar_Technical_Guide_Revised.pdf 
>
>
> Grant KZ1W
>
> On 3/17/2016 20:28 PM, Roger (K8RI) on TT wrote:
>> Kevlar may be strong, but it is adversely affected by rain and UV.  
>> Don't forget to seal the end caps.
>>
>> 73
>>
>> Roger (K8RI)
>>
>> Elements are rain, wind, fire, and earth. All that other stuff is 
>> just made up.  Even the ancients knew that.
>>
>>
>> On 3/17/2016 Thursday 6:16 PM, Patrick Greenlee wrote:
>>> Uh, ya but heat will burn/melt the plastic jacket off of the 
>>> Phillystran and then it is exposed to the elements.  Why do we call 
>>> the environment the elements, anyway. What has Earth, Fire, Air, 
>>> Water, and maybe phlogiston got to do with it?
>>>
>>> On 3/17/2016 4:50 PM, Spencer wrote:
>>>> Real kevlar rope is fire resistant. I have side scan sonar cable 
>>>> that a bernzomatic torch will not melt.
>>>> The only way I can cut it is with a sharp hacksaw blade.
>>>>
>>>> Spencer W1GAK
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>
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-- 

73

Roger (K8RI)


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