Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

----- Original Message -----
From: "John Popelish" <jpopelish@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Wednesday, February 22, 2006 7:03 PM
Subject: [Homebrew_PCBs] Re: Safe CuCl etchant storage?


> --- In Homebrew_PCBs@yahoogroups.com, "Leon Heller" <leon.heller@...>
> wrote:
>>
>> I store FeCl3, cupric chloride and NaOH in used plastic milk containers.
>
> Then you are asking for trouble. Milk bottles are designed to work
> well for more than the life of the product they contain. And that
> isn't very long. I have had many such thin polyethylene bottles
> spring leaks after sitting on the shelf for a year or less, especially
> if one of the fragile corners has been dented.
>
> The best recycled plastic bottles I have seen lately are the gallon
> bottles used to sell Diet Lemon Iced Tea from Nestea (and probably
> othe variation, though this is what my wife has been buying). These
> can be hard to find, but are very sturdy, compared to milk containers,
> especially with respect to strong corners and bottoms. They are
> stamped PP compatible (recycle plastic group 5) and group 7 (other).
>
> Of course, there are lots of very good Nalgene and other laboratory
> grade plastic bottles available from eBay. Etchant is such viscous
> stuff that it is worth getting good bottles to store it. A single
> spill can cost way more than you will ever spend on bottles.

I've been using them for several months without any problems.

Leon
---
[This E-mail has been scanned for viruses but it is your responsibility
to maintain up to date anti virus software on the device that you are
currently using to read this email. ]