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silicone spray to soften Topre domes?
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Topic: silicone spray to soften Topre domes? (Read 1492 times)
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xtrafrood
formerly csmertx
Elevated Elder
Thread Starter
Posts: 2715
Location: Gainesville, FL
KA2 touchpad on top
silicone spray to soften Topre domes?
«
on:
Sun, 03 April 2016, 07:33:41 »
Let's talk about rubber..
I poked around with google search to check the composition of Topre domes without much luck. My best guess is they're not silicone. I have a silicone keyboard from ten years ago, and the rubber has maintained the exact plasticity. From what I've read Topre domes stiffen after a few years.
I found a forum post on a random forum that explains how to use silicone spray to soften rubber. Has anyone tried this with Topre domes?
Instructions mentioned: Drench the rubber with the silicone spray, and leave it in an airtight bag for 3-7 days
Source:
http://www.mightyram50.net/vbulletin/showthread.php/2642-How-to-Soften-Old-Hard-Rubber
Topre Patent (ethylene-propylene-terpolymer? EPR?):
http://www.google.com/patents/US4584444
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Chris Schammert
bocahgundul
a seal
Esteemed Elder
Posts: 1842
Location: sell me your 5k ples
Re: silicone spray to soften Topre domes?
«
Reply #1 on:
Sun, 03 April 2016, 07:39:53 »
Yes I want to know how to soften Topre domes cause a member with a 10 years old topre keyboard said that it feels mushy and stiff
topre are still a rubber dome after all
)
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silicone spray to soften Topre domes?