Hi Karen,

You wrote: "I've always found hand sanitizer superfluous, just washing ones
hands with soap and water kills most germs."

I agree that in the work environment you are probably correct but I think
that hand sanitizers with at least 60% alcohol are good when you are out in
public and can't readily wash your hands. I usually keep a small bottle in
my car and an even smaller one in my pocket.

KennyB 
-----Original Message-----
From: Karen Tellefsen [mailto:[log in to unmask]] 
Sent: Monday, April 27, 2009 6:43 AM
To: [log in to unmask]
Subject: Re: [TN] Hand Sanitizer and PCB Assembly

Purell:

Ingredients:
Active Ingredients: Contains: Ethyl Alcohol (62%)

Inactive Ingredients: Water, Glycerin, Isopropyl Myristate, Propylene
Glycol, Tocopheryl Acetate, Aminomethyl Propanol, Carbomer, Fragrance
(parfum)


The glycerin and propylene glycol would concern me, they're both
hydrophillic.  The ethanol in the active ingredient, maybe a mixture of
60% ethanol 35% water 5% isopropanol ( to make it undrinkable, but safe
enough for topical use) would be better around  circuit boards.  It would
tend to dry the users' hands, but would not help to contaminate circuit
boards.

I've always found hand sanitizer superfluous, just washing ones hands with
soap and water kills most germs.


Karen Tellefsen - Electrical Testing
[log in to unmask]
908-791-3069



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