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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 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 37 reviews)
of respondents would recommend this to a friend.
Reviewed by 37 customers
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Easy to work with
from Hickman, NE
Comments about Golden GAC Acrylic Polymer Mediums:
Mixing it with acrylic paint on fiberglass sculpture for outdoors
Bottom Line Yes, I would recommend this to a friend
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Great on Gold Leaf
from Indian Rocks Beach, FL
Bought this product to apply on gold leaf after a coat of Golden Archival Spray Varnish. It greatly prepares the surface to paint with acrylic.
The best in the business!!!!!
from Ventura, CA
Golden mediums are the absolute best, they brush on great and they also spray well thru both my airbrushes and spray guns!!!!!!
Always a staple with my collection of acrylic paints
from Baton Rouge, LA
Excellent for lowering viscosity of acrylic paints and for making your own.
I use this for acrylic pours. I've tried the Liquitex as well and that left canyons in the paint when it dried. I buy the GAC800 by the gallon now, it's a lot cheaper in bulk.
I bought Gac 100 for a project. Blick has the best price!
from Milford ct
Great value. Only problem is I use it up too fast!
Images shared by Leslie
Tags: Made with Product, Love Gac 100
(2 of 2 customers found this review helpful)
By MW Arts and Oddities
from Detroit, MI
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.
from Los Angeles
GAC 100 really seals wood, board, paper, etc.
(1 of 1 customers found this review helpful)
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.
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