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Use Golden's GAC Mediums to achieve complete technical control over your acrylic paints and painting environment. GAC Mediums are the raw materials from which other acrylic mediums are created. Use them to modify the working characteristics and appearance of Golden Acrylics and other acrylic paints.
Golden's other acrylic mediums are a blend of GAC mediums, the raw polymers themselves, with each other, and with other structural elements such as gels or powdered marble dust.
GAC 100: Universal Acrylic Polymer
useful for diluting and extending colors, as well as increasing flexibility and film integrity. Wets out solids more readily than other polymers, and is useful for artists making their own paints.
GAC 200: Acrylic Polymer for Increasing Film Hardness
The hardest and least flexible polymer. Mix with acrylic paints to increase film hardness and reduce dry film tack. Useful for adhering acrylic paints to nonporous surfaces such as glass or plastic. Dries to a clear, gloss finish.
GAC 400: Acrylic Polymer for Stiffening Fabrics
Dries to a hard, stiff film. Allows artists to transform lightweight fabrics into freestanding forms.
GAC 500: Acrylic Polymer for Self-Leveling Applications
Adds a self-leveling working quality, and dries to a high gloss with good transparency. Increases mar resistance, and decreasing dry film tack.
GAC 700: Acrylic Polymer for Increasing Film Clarity
The polymer of choice when film clarity and transparency is desired. It dries to a high gloss film with moderate hardness.
GAC 800: Acrylic Polymer for Reducing Craze
Use when puddles must dry with the same evenness and smoothness as when wet. Other GAC polymers will "craze" when drying, developing shrinkage crevices across the surface. GAC 800 dries with good gloss and flexibility but with moderate clarity. Also ideal for priming chalky surfaces.
GAC 900: Acrylic Polymer for Clothing Artists
Blend with acrylic colors to produce fabric paints. When heat-set properly, it offers a very soft hand and laundering stability. Caution — provide adequate ventilation when using GAC 900 as the heat-setting releases low levels of formaldehyde.
Pricing Note — Items with the Blick Best Price icon () on this page are not eligible for additional discounts due to pricing restrictions set by the manufacturer.
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(based on 31 reviews)
of respondents would recommend this to a friend.
Reviewed by 31 customers
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By MW Arts and Oddities
from Detroit, MI
Comments about Golden GAC Acrylic Polymer Mediums:
An absolute necessity for me when using acrylics. It creates amazing glossy glazes, can be used for pouring, and extends fluid acrylics (and heavy body) with perfection. I use it on 3D dioramas for creating special effects such as rivers and lakes, also. It does craze when used in large volumes, has high film tack, and tends to dry quickly. None of these qualities detract from the product's usefulness and can be used to produce unique art.
Bottom Line Yes, I would recommend this to a friend
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from Los Angeles
GAC 100 really seals wood, board, paper, etc.
Excellent product, I have used it for years.
from Newton, iowa
I use Gak 500 as an isolation coat for relief sculpture out of doors with golden msa varnish mixed with msa solvent for a top coat. It has given me a superior finish for my outdoor work.
Superior Surface Coverage
from northern california
Squirt and spread liberal amount on stretched raw canvas, then even out with a damp varnish brush front and sides. GAC-100 gives enough time to brush, no hurry to dry, then dries to a high glossy waterproof seal in a few hours. I waited another day to apply a second coat. Brush strokes are slightly visible and watch out for loose brush hairs as that will be hard to remove when dry. Will apply a clear gesso coat over the dried GAC-100, which eliminates the gloss shine, and then oil paints or acrylics and finish with gloss varnish. No real smell, but sticky on the fingers. Thoroughly wash brush with lots of water or soap/water. Form brush and let brush hang to dry.
from Vallejo, Ca
I have a l lb. jar of Golden heavy body acrylic Quinacridone Gold. I understand it is no longer being produced. I'm using what I have very sparingly and needed to keep the viscosity and brushability of the paint that's left. One of your techs advised GAC-100. I'm grateful for that product and the invaluable research and product information that I've gotten over the years from Golden. Golden rules! Cynthia Alfaro Giroux
I use several of the GAC line
from Raleigh nc
They are great products for diff purposes.
The best range of acrylic mediums on the market
By James Williams
from Seattle, WA
I use Golden GAC mediums for airbrush work for both fine art and for miniatures. It is simply the highest quality range out there, with the most diversity in offerings. I use Golden GAC 200 for a very hard coat on hard substrates (e.g., pewter miniatures, plastic models, masonite panels, aluminum, copper, etc). It is durable, tough, and can bond to metal if suitably prepared. I mix it with airbrush paint or pigment to add strength, and I use clear coats to build up deep passages on paintings. The only downside is that is dries very quickly and it can really clog a spray gun or airbrush quickly, requiring fast and thorough cleaning. I use Golden GAC 500 as a less hard airbrush isolation coat, sometimes in a 50/50 mix with GAC 200. Golden 700 adds clarity, and I use small amounts. The pouring medium works well, although I have not experimented with it as much. It is not cheap (although if purchased in large containers the price is reasonable), but you get what you pay for.
It does what it's supposed to do! Yea!
I'm using it to seal wood surfaces from oil paint.This does the job.So far, so good!
Helped with fluid acrylics
By Abstract Artist
from Chicago, IL
Golden GAC 800 really extended the use of fluid acrylics in my pour method paintings. I now use a lesser amount of the acrylics which saves money. Plus the flow with the GAC 800 added to the fluid acrylics is so much better.
(1 of 1 customers found this review helpful)
from Rough & Ready, CA
Most acrylic mediums pretty much the same, but Golden are the best in my opinion. In this case, the container is of special note. Easy to use and dispense the medium, plus the opening doesn't get clogged up with old medium. Minimal exposure to the air.
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