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How to create a rough finish on a cast iron kettlebell?

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jkn

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Dec 14, 2013, 4:28:20 PM12/14/13
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Hi all
I have a few cast iron kettlebells of various weights; I use them for home
fitness and like them a lot for this purpose.

Most of them have a slightly rough finish; a bit like non-smoothed cast iron
cookware, although I think there is a paint of some form on top. This finish is
my preference; it's important to have a good grip on the handle, and I have a
malformed right hand which makes it tricky otherwise.

I have one kettlebell which is not like this; it has a finish a bit like
hammerite. I would like to make this like the rest and am wondering how this
might be done.

Something like sand (or carborundum powder of the right grade) mixed in with a
paint finish (epoxy?) comes to mind; but I would appreciate any alternative
suggestions...

Cheers
Jon N


newshound

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Dec 14, 2013, 4:41:02 PM12/14/13
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Sounds like you want grit-blasting. If you have an air compressor, small
guns for spot blasting are not too expensive (eBay, Machine Mart). Do
you have any friends in a small engineering works? Garages sometimes
have them, specialist painting/coating/electroplating firms almost
certainly, some university or other industrial labs?

You might want some thin paint/lacquer to prevent corrosion, or some
form of chemical treatment (phosphating, chemical blacking?).

"Pet @ www.gymratz.co.uk ;¬)"

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Dec 14, 2013, 4:54:31 PM12/14/13
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On 14/12/2013 21:28, jkn wrote:
You could always just use paint stripper or a heat gun to remove all the
paint on the handle to take it back to plain cats iron.

Sure it might get a slight surface rust (dust) over time but it's not
going to be detrimental. Far better than trying to mix up some sort of
anti-slip lacquer.

Most people would use some form of chalk or liquid chalk which is pretty
grippy stuff.
Something like http://www.gymratz.co.uk/liquid-chalk
for example.

Cheers
Pete@
--
http://www.GymRatZ.co.uk/waterrower/ Waterrowers and stuff.
:)



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The Natural Philosopher

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Dec 14, 2013, 5:27:51 PM12/14/13
to
strip and acid etch.

then use a black stove paint if you want

worth stoving in the oven afterwards

--
Ineptocracy

(in-ep-toc’-ra-cy) – a system of government where the least capable to
lead are elected by the least capable of producing, and where the
members of society least likely to sustain themselves or succeed, are
rewarded with goods and services paid for by the confiscated wealth of a
diminishing number of producers.

EricP

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Dec 14, 2013, 7:07:58 PM12/14/13
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On Sat, 14 Dec 2013 13:28:20 -0800 (PST), jkn <jkn...@nicorp.f9.co.uk>
wrote:
Get a length of rope or string and wind it around the handles to make
grips.

You can do it in any absorbent material you like,(leather), and to
your taste.

When it needs renewing, just bin it and replace.

fred

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Dec 14, 2013, 7:11:19 PM12/14/13
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In article <3e6aa63c-4991-473a...@googlegroups.com>, jkn
<jkn...@nicorp.f9.co.uk> writes
As an alternative, wrapping the handle tightly in self amalgamating tape
may help. It is grippy in a non sticky and non dirt attracting way but
sticks to itself and kind of conforms to your grip.

The correct method of application it to elongate by approx 30% as you
apply it and it will bond to itself. It's not particularly durable
though so I'd recommend applying at least 2 good layers and expect to
replace in the future:

http://www.toolstation.com/shop/p55262

Useful for many other things too :-)
--
fred
it's a ba-na-na . . . .

Baz

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Dec 17, 2013, 11:59:28 AM12/17/13
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"EricP" <er...@blueyonder.co.uk> wrote in message
news:vispa95lpei2r82vc...@4ax.com...
> On Sat, 14 Dec 2013 13:28:20 -0800 (PST), jkn <jkn...@nicorp.f9.co.uk>
> wrote:
>
>>Hi all
>> I have a few cast iron kettlebells of various weights; I use them for
>> home
>>fitness and like them a lot for this purpose.
>>
>>Most of them have a slightly rough finish; a bit like non-smoothed cast
>>iron
>>cookware, although I think there is a paint of some form on top. This
>>finish is
>>my preference; it's important to have a good grip on the handle, and I
>>have a
>>malformed right hand which makes it tricky otherwise.
>>
>>I have one kettlebell which is not like this; it has a finish a bit like
>>hammerite. I would like to make this like the rest and am wondering how
>>this
>>might be done.
>>
>>Something like sand (or carborundum powder of the right grade) mixed in
>>with a
>>paint finish (epoxy?) comes to mind; but I would appreciate any
>>alternative
>>suggestions...
>>
>> Cheers
>> Jon N
<Snip>

One method to make the deck of surf boards ruff. Is to sprinkle Sugar on the
Wet final coat of epoxy. And when it gets wet, the sugar dissolves and
leaves little craters.

Baz


Andrew May

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Dec 18, 2013, 3:44:17 AM12/18/13
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On 14/12/2013 21:54, "Pet @ www.gymratz.co.uk ;�)" wrote:

> You could always just use paint stripper or a heat gun to remove all the
> paint on the handle to take it back to plain cats iron.
>
Would a heat gun work on cast iron. I suspect it would just conduct all
the heat away unless you got it _really_ hot. But then it may require
recasting :-)

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