painting with acrylic
09-05-2005, 06:16 PM
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RE: painting with acrylic
I found this elsewhere to POSSIBLY answer part of your question (acrylic is not fuelproof. requires a finishing coat)
THINNING ACRYLIC PAINT FOR AIRBRUSH APPLICATION
Liquitex Medium Viscosity Concentrated Acrylic Colors can easily be thinned to flow properly through an airbrush. The proper thinning procedure is determined by the type of surface to be airbrushed and by durability desired for the final paint film.
Absorbent Surfaces:
* Paper, fabric, plaster, Liquitex Modeling Paste, bare wood and primed canvas.
* Thin paint with water or Flow-Aid Water (FAW).
* To create FAW, mix 1 part Flow-Aid to 20 parts water.
* Fabric: Wash prior to airbrushing to remove sizing. Colors must permeate the cloth and be seen as a ghost image on the reverse side to be permanent. After 3 days cure time, the fabric can be machine-washed or dry cleaned. Resulting colors are permanent.
* Surfaces absorb paint differently. Spray a test piece prior to spraying actual surface.
For more information refer to: Part 2 Applications & Techniques: Fabric
Non-Absorbent Surfaces:
* Hardwood, plastic, metal, masonry
* Thin paint with Airbrush Medium, Liquitex Fluid Mediums & water or Liquitex Fluid Mediums and Flow-Aid Water.
* Thinning with water only may cause poor adhesion, cracking, flaking or peeling.
* Abrade surface for increased adhesion.
A. Thinning with Water or Flow-Aid Water
1. Add 50% water or FAW to the paint and mix thoroughly. Add more water if necessary to produce the desired effect. Color may be thinned up to 80% with water. Some colors may require more or less water due to individual pigment characteristics. Adding water reduces pigment concentration and color strength.
2. Strain to insure proper flow through airbrush.
3. After several airbrush layers it is possible that the surface will no longer be absorbent. When this occurs, subsequent airbrush layers must follow directions for Non-Absorbent Surfaces.
4. To increase absorption on absorbent surfaces, paint flow through airbrush and reduce paint build up and tip clogging use FAW instead of water.
5. Use this mixture instead of water and follow directions for "Thinning with Water'.
6.
B. Thinning with Liquitex Airbrush Medium
Liquitex Airbrush Medium is a 100% acrylic binding system specifically formulated for thinning acrylic colors for airbrush application. Mixing colors with Airbrush Medium will ensure that the colors do not lose their flexibility, durability or adhesion.
* Mixes easily with all Liquitex Medium Viscosity Concentrated Artist Colors to produce airbrush paint with the proper viscosity for airbrushing. It contains specific additives designed to retard drying time, improve the flow of acrylic paint through an airbrush, decreasing airbrush clogging and paint build up around the airbrush tip.
* Can be mixed with Liquitex High Viscosity Artist Colors.
* Liquitex Iridescent and Interference colors contain mica flakes that may require a larger airbrush nozzle and greater air pressure for consistent spraying.
* Can be mixed with all Liquitex Paints, Mediums and Gesso.
Airbrush Medium Mixing Directions
1. Mix 1 part Airbrush Medium into 1 part Medium Viscosity Concentrated Artist Color.
2. Mix thoroughly, adding more Airbrush Medium as needed. The proper sprayable consistency for acrylic paint is that of light cream. As more Airbrush Medium is added the intensity of color will be decreased and the transparency increased.
3. If mixture is too thick to flow through airbrush either increase air pressure or addwater to thin airbrush paint mixture. Do not exceed 1 part Airbrush Medium to 1 part water.
4. The proper viscosity, will depend on the air pressure supplied, type of airbrush and proximity to the working surface. As the paint is thinned, air pressure can be lowered and the airbrush held closer to the working surface for greater detail. As the air pressure is increased the airbrush is held further from the working surface.
THINNING ACRYLIC PAINT FOR AIRBRUSH APPLICATION
Liquitex Medium Viscosity Concentrated Acrylic Colors can easily be thinned to flow properly through an airbrush. The proper thinning procedure is determined by the type of surface to be airbrushed and by durability desired for the final paint film.
Absorbent Surfaces:
* Paper, fabric, plaster, Liquitex Modeling Paste, bare wood and primed canvas.
* Thin paint with water or Flow-Aid Water (FAW).
* To create FAW, mix 1 part Flow-Aid to 20 parts water.
* Fabric: Wash prior to airbrushing to remove sizing. Colors must permeate the cloth and be seen as a ghost image on the reverse side to be permanent. After 3 days cure time, the fabric can be machine-washed or dry cleaned. Resulting colors are permanent.
* Surfaces absorb paint differently. Spray a test piece prior to spraying actual surface.
For more information refer to: Part 2 Applications & Techniques: Fabric
Non-Absorbent Surfaces:
* Hardwood, plastic, metal, masonry
* Thin paint with Airbrush Medium, Liquitex Fluid Mediums & water or Liquitex Fluid Mediums and Flow-Aid Water.
* Thinning with water only may cause poor adhesion, cracking, flaking or peeling.
* Abrade surface for increased adhesion.
A. Thinning with Water or Flow-Aid Water
1. Add 50% water or FAW to the paint and mix thoroughly. Add more water if necessary to produce the desired effect. Color may be thinned up to 80% with water. Some colors may require more or less water due to individual pigment characteristics. Adding water reduces pigment concentration and color strength.
2. Strain to insure proper flow through airbrush.
3. After several airbrush layers it is possible that the surface will no longer be absorbent. When this occurs, subsequent airbrush layers must follow directions for Non-Absorbent Surfaces.
4. To increase absorption on absorbent surfaces, paint flow through airbrush and reduce paint build up and tip clogging use FAW instead of water.
5. Use this mixture instead of water and follow directions for "Thinning with Water'.
6.
B. Thinning with Liquitex Airbrush Medium
Liquitex Airbrush Medium is a 100% acrylic binding system specifically formulated for thinning acrylic colors for airbrush application. Mixing colors with Airbrush Medium will ensure that the colors do not lose their flexibility, durability or adhesion.
* Mixes easily with all Liquitex Medium Viscosity Concentrated Artist Colors to produce airbrush paint with the proper viscosity for airbrushing. It contains specific additives designed to retard drying time, improve the flow of acrylic paint through an airbrush, decreasing airbrush clogging and paint build up around the airbrush tip.
* Can be mixed with Liquitex High Viscosity Artist Colors.
* Liquitex Iridescent and Interference colors contain mica flakes that may require a larger airbrush nozzle and greater air pressure for consistent spraying.
* Can be mixed with all Liquitex Paints, Mediums and Gesso.
Airbrush Medium Mixing Directions
1. Mix 1 part Airbrush Medium into 1 part Medium Viscosity Concentrated Artist Color.
2. Mix thoroughly, adding more Airbrush Medium as needed. The proper sprayable consistency for acrylic paint is that of light cream. As more Airbrush Medium is added the intensity of color will be decreased and the transparency increased.
3. If mixture is too thick to flow through airbrush either increase air pressure or addwater to thin airbrush paint mixture. Do not exceed 1 part Airbrush Medium to 1 part water.
4. The proper viscosity, will depend on the air pressure supplied, type of airbrush and proximity to the working surface. As the paint is thinned, air pressure can be lowered and the airbrush held closer to the working surface for greater detail. As the air pressure is increased the airbrush is held further from the working surface.
