Re: G10

• To: tesla-at-pupman-dot-com
• Subject: Re: G10
• From: "ROBERT CRESSLER" <robert.cressler-at-menasha-dot-com> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Mon, 21 Feb 2000 13:02:45 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Dr. B,
         my comments interspersed:
snip
>>>I  have been trying to find out what the English equivalent name for
G-10/FR4
   I think "Tuffnol" is a popular trade name for the high pressure
laminates in Europe.
>>All I have gathered so far is that it
>>is a phenolic composite.  Can anyone confirm/deny this? 
Not so. G-10/FR-4 is a high pressure laminate in the same family as
"phenolic" but does not contain phenolic.G-10 is a Epoxy based resin with 
glass cloth reinforcement. There are 4 "main" resin bases (phenolic,silicone,
epoxy,and melamine) with almost limitless number of reinforcements(from
paper to kevlar) A subclass of the high pressure laminates is polyester/glass
grade GPO series... usually maroon colored found in electrical circuits
boxes.. not actually a high pressure laminate (cured under low pressure) but 
similar enough to be grouped together.

>>What are it's mechanical properties? 
in general G-10 has high strenght,high temp resistance,excellent electrical 
properties....... for more detailed parameters try www.acculam-dot-com 
hope this helps out
Robert 

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