Ox Gall and Extenders

Ox gall and extender
Ox gall and extender are solutions to adjust the consistency of colors.
It increases the circumference and the flow of the paints.
In order to have Ebru colors to spread on the surface of the liquid and to prevent them from sinking, you have to use ox gall, which is a surface active substance, breaking and regulating the surface tension. It also prevents colors from blending. Gall is a secretion of the liver, involved in the digestion of lipids.
Ox, Sheep and Turbot gall are also used for Ebru. Turbot gall gives good results for Kumlu (Sandy) Ebru. Şebek Efendi, in Tertib-i Risale-i Ebri (1608), reports that in older time’s tobacco leave extract was used instead of ox gall as a dispersant.
Balancing the amount of gall we put in the colors is the most important and the hardest part of Ebru-making. While first colors spread easily, since there is little surface tension, we need to add more ox gall in the following colors as the tension builds up with more colors. Unbalanced colors may sink, may be fragmented or even smudge when we take it on paper.
Pour the paint into a separate container, and add 1-2 drops of the ox gall or extender. After you mix it, use a needle tool to sample a drop or two of paint onto the surface of the water. If necessary, add another 1-2 drops at a time.
For ox gall you should use a pipette to ensure consistent measurement.
Go slowly to ensure you achieve the consistency you desire.
 
*Artdeco extender should be used for Artdeco paints
 
Turpentine
Turpentine with chemicals or with oil derivatives shall not be used for Ebru-making, only natural turpentine must be used. It gives a three dimensional, spherical effect to the colors. It is used to make Ebru with sprinkles or in Battal type of Ebru.
After adding turpentine to Ebru colors, drops sprinkled to vessel scatter if there are small air bubbles inside. The usage of turpentine hides mistakes resulted from dust as it makes effects like dust hole dropping to vessel. It’s necessary to try by adding it in one drop step and be patient to find right proportion. You need to squeeze brush as much as possible before you sprinkle onto the surface, because turpentine produces bigger circled shapes and changes surface image. It looks aesthetic to make small sprinkles on vessel.
For turpentine we recommend to use a pipette to ensure consistent measurement.

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ArtDeco Color Extender 30 ml
ArtDeco Color Extender (YAYILMA ARTTIRICI) is a solution to adjust the consistency of ready ArtDec..
ArtDeco Ox gall natural, 500 ml - plastic bottle
Packing: plastic bottle with a lid.Ox gall is solutions to adjust the consistency of colors. It incr..
Odorless Turpentine ArtDeco, 100 ml
Turpentine with chemicals or with oil derivatives shall not be used for ebru-making, only natural tu..
Odorless Turpentine ArtDeco, 25 ml
Turpentine with chemicals or with oil derivatives shall not be used for ebru-making, only natural tu..
Ox gall natural, 100 ml - plastic bottle
Packing: plastic bottle with a lid.Ox gall is solutions to adjust the consistency of colors. It incr..
Ox gall natural, 500 ml
Ox gall is solutions to adjust the consistency of colors. It increases the circumference and the f..
Ox gall odorless, 90 ml
Ox gall is solutions to adjust the consistency of colors. It increases the circumference and the f..
Turpentine ArtDeco, 25 ml
Turpentine with chemicals or with oil derivatives shall not be used for ebru-making, only natural ..
Turpentine, 30 ml
Turpentine with chemicals or with oil derivatives shall not be used for ebru-making, only natural ..