rai Member Allowing Ads Joined Sep 17, 2007 Messages 81 Format Multi Format Dec 29, 2015 #1 Greetings! I try to make a varnish for collodion plates based on gum arabic . Someone of you have any formula? Thank you
Greetings! I try to make a varnish for collodion plates based on gum arabic . Someone of you have any formula? Thank you
ced Member Allowing Ads Joined Oct 10, 2011 Messages 867 Location Belgica Format Multi Format Dec 29, 2015 #2 The only issue I can think of is that the gum will absorb moisture allowing eventually some penetration of damaging substances like fungus or chemicals.
The only issue I can think of is that the gum will absorb moisture allowing eventually some penetration of damaging substances like fungus or chemicals.
OP OP rai Member Allowing Ads Joined Sep 17, 2007 Messages 81 Format Multi Format Feb 10, 2016 #3 Thanks!!!