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- since 1996 -
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Technical Discussions
Steve
USA, Joined Aug 2013, 11

Steve

USA,
Joined Aug 2013
11
03:41 Sep-10-2013
Good oil to put on Cal block to prevent rusting

I went to the maintenance room and asked them if I could have some oil to prevent our UT Cal. blocks from rusting. They gave me a bottle of SAE 15W-40 Fleet Plus Motor Oil. I have not put any on our UT blocks yet, the viscosity of the oil seems a bit thick to put on the blocks. I was going to go to the hardware store and buy a little metal can of oil. Will this oil do?

    
 
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Swadesh Singh
Saudi Arabia, Joined May 2012, 60

Swadesh Singh

Saudi Arabia,
Joined May 2012
60
07:16 Sep-10-2013
Re: Good oil to put on Cal block to prevent rusting
In Reply to Steve at 03:41 Sep-10-2013 (Opening).

Hi Steve,

I can't bet on Motor oils, but i think coconut oil should do and then cover the blocks with a plastic film. I guess, it should work.

    
 
 Reply 
 
Steve
USA, Joined Aug 2013, 11

Steve

USA,
Joined Aug 2013
11
03:14 Sep-11-2013
Re: Good oil to put on Cal block to prevent rusting
In Reply to Swadesh Singh at 07:16 Sep-10-2013 .

Sounds good, I may just go to the hardware store and buy a small can of oil. Seems like it my be the fastest and quickest way of preventing the blocks from rusting. I just wish the contract worker who comes in would wipe off the couplant off the cal blocks when he is done using them.

    
 
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andrew cunningham
NDT Inspector
Canada, Joined Jun 2008, 238

andrew cunningham

NDT Inspector
Canada,
Joined Jun 2008
238
18:03 Sep-11-2013
Re: Good oil to put on Cal block to prevent rusting
In Reply to Steve at 03:41 Sep-10-2013 (Opening).

I wonder if it is required as most blocks I’ve seen in the USA have been plated. If not WD40 is not so messy and leaves a nice thin film of residue when dry.

    
 
 Reply 
 
Steve
USA, Joined Aug 2013, 11

Steve

USA,
Joined Aug 2013
11
23:06 Sep-11-2013
Re: Good oil to put on Cal block to prevent rusting
In Reply to Steve at 03:14 Sep-11-2013 .

I applied some of the SAE 15W-40 onto some older blocks we have, the viscosity out of the bottom seems fine not thick at all. I think this oil will work. Thanks for the other tips to prevent cal blocks from rusting.

    
 
 Reply 
 
Michel Couture
NDT Inspector,
consultant, Canada, Joined Sep 2006, 835

Michel Couture

NDT Inspector,
consultant,
Canada,
Joined Sep 2006
835
01:42 Sep-12-2013
Re: Good oil to put on Cal block to prevent rusting
In Reply to Steve at 23:06 Sep-11-2013 .

Hey guys, all you need is something to provide a barrier from humidity and to make sure you clean your block good after you finish. WD40 and a plastic bag will do the trick. Nothing fancy needed. And much easier to clean before use.

1    
 
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