Powder gum in the UK

> As far as I know powdered gum isn't available in the UK.

I get my powdered gum from www.lawrence.co.uk tel 01273 260260 (they're in
Hove) and it's nice and cheap, £7 ish for 500g. They do a great mail order
service.

John.

www.johnbrewerphotography.com

----- Original Message -----
From: "David & Jan Harris" <david.j.harris2@ntlworld.com>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Thursday, March 30, 2006 3:21 PM
Subject: Re: A PVA for printing "gum" : a practical approach

> Chris
>
> As far as I know powdered gum isn't available in the UK. Making up a gum
> solution here needs several days of dissolving lumps in muslin. That goes
> some way to explaining the joy of gloy and the non-availability of simple
> viscosity adjustments when using gum arabic!
>
> David
> ----- Original Message -----
> From: "Christina Z. Anderson" <zphoto@montana.net>
> To: "Alt, List" <alt-photo-process-L@usask.ca>
> Sent: Thursday, March 30, 2006 2:49 PM
> Subject: Re: A PVA for printing "gum" : a practical approach
>
>
>> Terry said:
>>
>> >>I started with a heavier gum and found that the printers' 14 gum was
>> >>too
>> >>thin
>> for me. I tried a gallon of the printers' 14 but passed it on to someone
>> else
>> even before I discovered Gloy all those years ago. I prefer the 17
>> but
>> that does not make the 14 wrong.
>>
>> >>The result is that when I mix up PVA and glycerine for my gum prints I
> aim
>> >>to
>> achieve the same consistency as that of Gloy or the gum I preferred, but
>> that
>> is my choice.
>>
>>
>> Hmmm....Terry, I must be missing something so I'll appear really stupid
> and
>> ask it anyway: is there anything wrong with plopping in some gum arabic
>> powder into the "too thin" gallon of gum arabic to make it thicker? And
> then
>> when that gallon is used up, just start mixing your own from scratch
> anyway?
>> I'm never one to waste a gallon of that stuff...
>>
>> I always do that because I agree that most commercial gums are a bit
>> thin.
>> I usually mix a batch of gum arabic at 1+1 or 1+2 and use a dash of the
>> thicker stuff in the mix if I'm using up a bottle of commercial.
>>
>> All the hoopla about gum being hard to mix up, or needing a certain
>> baume,
>> in my practice, is a waste of time, literally. I whip it up in a blender
>> and use it immediately, kitchen measurements. I figured if all the oldies
>> did the 2 in 5 or 2 in 4 there must have been something to it.
>>
>> But, whatever floats your boat-er-baume meter.
>>
>> But there's nothing better than having 15 students in a semester prove
> your
>> method right, and if there's anything missing from your method, they'll
> sure
>> find it :)
>>
>> Speaking of which, 15 students have successfully hardened with
>> glutaraldehyde, successfully made tricolor gums with very saturated
> colors,
>> with nary a stain.
>>
>> Their biggest problem, IMHO, is learning how to "Zen" it....not to rush,
> not
>> to opt automatically for the hair dryer, the spray bottle, the
> brush...next
>> time I will NOT teach the shortcuts right away. I had a number of them
> hair
>> drying the layers immediately before and after development so they could
> do
>> a tricolor gum print in a couple hours! I mean, that's fine and dandy in
>> their own home, but in a squunched alt process lab with 15 students vying
>> for space, hair dryers going all the time...where's the pleasure? Oh how
>> I
>> digress, obviously this is fresh in my mind...
>> Chris
>>
>>
>>
>
>
>
>
>
>
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Received on Thu Mar 30 08:58:13 2006