I have a need to store some injection moulding tools, probably for a few
years. I want to coat them in the waxy / oily yellow preservative dip /
spray / brush coating that peels off when no longer required, often
found on quality tools when new. Unfortunately, I can't remember the
name, it doesn't appear in any catalogues I have and I can't find the
right Google search term. Can anyone help?
Thanks for the suggestion, but that only seems to throw up permaanent
coatings to protect electronics. The stuff I want is intended to be
removed when the tool is taken out of storage.
So far, I have tried various combinations of mothballing, protective,
preservative, waxy, steel, iron and tools. I have found details on
mothballing of steelworks and a tool preservation society, but nothing
that matches my need. I may have to end up wrapping them in thick
plastic with sheets of rust inhibiting paper, but that is a second best
Have you actually done this? The PlastiDip data sheet says that the
surfaces must be fre of oil and grease, so I would need to know that it
works. I would also need to apply it by spray as they are too heavy to
lift into a dipping tank.
These moulding tools are for making parts I had huge stocks of when I
bought the business about five years ago. I probably have enough for at
least as long again. The moulder wants the space and has asked me to
take them away. My idea is to ask them to mount the tools on small
pallets, so that I can move them with a pallet truck. I could lift one
side at a time with a jack to coat underneath, but I have no way to lift
the entire tool.
On Tue, 08 Mar 2011 08:27:55 +0000, "Nightjar wrote:
Depending on the shape I suspect that a dip would be better than
spraying particularly is access is difficult. As these are obviously
heavy things I assume they have some form of lifting eye to get them
fitted into the moulding machine. Would hiring an engine lifting rig
allow you to pick 'em up and dunk 'em? Then transfer to some sort of
suitable support to hang 'em from until the coating dries, otherwise
you'll have a weak/bare bit of coating where they rest on something.
I've yet to get details of weight and size but, from the cavity size,
they have to fit a large machine and I am assuming the tools will weight
a few hundred kilos each. They are going to have to live in the storage
extension at the back of my garage and, since I wrote the above, I have
been thinking about adding a beam supported on wall piers that can take
a ratchet chain hoist. Obviously, I need to know actual weights before I
can work out the sizing. I knew I would regret selling the fork lift truck.
When it rains heavily water runs under the door. I've had to put on
Wellington boots just to wade to the car before now. The extension has
the floor raised by 120mm, to keep it from flooding, but it will still
be damp in there.
I'm looking to preserve them for at least five years in storage.
I'd be worried about the given storage conditions for the term you're
talking about. Unless you manage to do a perfect job with the conformal
coating, moisture and oxygen *will* get in. The results won't
necessarily show until you remove the coating, either, by which time,
it'll be too late.
Might it not be worth hiring a space at one of the (dry) self storage
places? Then let their insurance worry about the replacement cost if the
damp does get in?
Maybe you need to look at something like a grease/ oil coating, and
build a moisture controlled area round them, to permit easy examination
and rectification of any problems before they get too bad. From what
I've seen, that's the way the military mothball such stuff, sometimes
Not a bad idea, although probably better to put that in a second, outer,
layer of plastic, so that it can be taken out and reactivated from time
to time without disturbing anything else. Thanks for the suggestion.
Does this help?
I searched for corrosion protection for cutting tools - the key
appearing to be mentioning cutting tools. These coatings are designed to
protect the cutting edge from mechanical damage (eg in transport and
rummaging in tool draws).
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