[Amps] 4CX250 MSDS SHEET

[mike kendall]

Pete,
  The only tubes I have seen with pink ceramic is the russian ones that I've bought off of Ebay and from friends.  I have to wonder if the russian ones have BeO?
73,
Mike



----- Original Message ----
From: Pete Smith <n4zr at contesting.com>
To: mike kendall <ke6cvh at yahoo.com>
Sent: Tuesday, December 11, 2007 10:04:21 PM
Subject: Re: [Amps] 4CX250 MSDS SHEET

Isn't BeO ceramic pink?

73, Pete N4ZR

At 05:26 AM 12/11/2007, you wrote:
>Hello,
>  We have a piece of equipment at work with quite a few 4CX250M   (Mobile 
> version that is more rugged than the 4CX250R) tubes in the equipment.   I 
> was asked if the ceramic portion of the tube is berrylium oxide or if 
> there is any berrylium oxide in the tubes.  I am fairly certain that is 
> the case but could not find any hard data on the internet to confirm so 
> am asking the group if that is the case.
>73,
>Mike
>
>
> 
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