Name: Golden GAC 400 Fabric Stiffener
Brand: Golden
Rating: 4.6 (9 reviews)

Harden, sculpt, and shape fabrics with Golden GAC 400 Fabric Stiffener. An alternative to rabbit skin glue, this medium can be used to prime and reduce the flexibility of canvas, cotton, linen, and more. It can also transform lightweight fabrics into freestanding forms.

Unlike rabbit skin glue, GAC 400 Fabric Stiffener is an acrylic polymer and doesn’t remain water-soluble after it’s dry, so humidity won’t make it soften, swell, or crack. Apply one or two coats directly onto raw canvas, coating both the front and back for maximum stiffness.

It’s ineffective over any other medium — it will flake off and cause delamination of subsequent paint layers. Since GAC 400 isn’t completely effective against oil penetration, the use of GAC 100 over GAC 400 is recommended for oil painters.

__Note__ — Since GAC 400 is brittle, canvas or fabrics treated with GAC 400 should not be rolled tightly or bent backward. This will cause cracking of the polymer film and may transfer cracks into additional paint layers. This is especially a risk with cured oil paints.





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Use Golden GAC 800 Low Crazing Acrylic Extender Polymer Mediums when puddles must dry with the same evenness and smoothness as when wet. Dries with good gloss and flexibility but with moderate clarity. Also ideal for priming chalky surfaces.

Achieve complete technical control over your acrylic paints and painting environment with Golden GAC Acrylic Polymer Mediums. GAC specialty polymers 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. 


Use Golden GAC 800 Low Crazing Acrylic Extender Polymer Mediums when puddles must dry with the same evenness and smoothness as when wet. Dries with good gloss and flexibility but with moderate clarity. Also ideal for priming chalky surfaces.

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Golden GAC 900 Fabric Medium is ideal for clothing artists. Blend it with acrylic colors to create fabric paints. When heat-set properly, this medium 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.


Golden GAC 900 Fabric Medium is ideal for clothing artists. Blend it with acrylic colors to create fabric paints. When heat-set properly, this medium offers a very soft hand and laundering stability.

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Use Golden Matte Mediums to extend acrylic paints while promoting even flow and leveling, and maintaining the film's stability. These 100% acrylic polymer liquid mediums also decrease gloss and increase translucency. 

Matte Medium and Fluid Matte Medium can be used as an alternative to gesso to create a clear ground. Super Matte Medium should always be blended with acrylic paints or mediums. Mix gloss and matte mediums to create a custom satin finish. 


Use Golden Matte Mediums to extend acrylic paints while promoting even flow and leveling, and maintaining the film's stability. These 100% acrylic polymer liquid mediums also decrease gloss and increase translucency. 

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Golden Acrylic Polymer Varnish - Gloss, 4 oz bottle

Golden Polymer Varnish with UVLS (UltraViolet Light Stabilizers) is a waterborne acrylic polymer varnish that dries to a protective, flexible, dust-resistant surface. Use it as a final sealant over acrylic paint.

Polymer Varnishes must be thinned before use. They have been formulated thicker than traditional varnishes, to maintain an even suspension of matting agents. This ensures more consistency in surface reflectance.

Varnishes are available in a highly reflective Gloss, and an exceptionally flat Matte. The matte varnish will lighten dark value colors. This varnish is removable with ammonia for restoration purposes. For interior use only.


Golden Polymer Varnish with UVLS (UltraViolet Light Stabilizers) is a waterborne acrylic polymer varnish that dries to a protective, flexible, dust-resistant surface. Use it as a final sealant over acrylic paint.

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Golden Fluid Acrylic Paint and Sets, assorted colors, 1 oz

Golden Fluid Acrylic Paints are highly intense, permanent colors with a consistency similar to heavy cream. Produced from lightfast pigments, not dyes, they offer very strong colors with very thin consistencies, and contain no fillers or extenders. Golden Fluid Acrylics are ideal for spraying, brushing, staining, and pouring techniques.


Created for artists who want a low-viscosity, pigment-saturated paint, these paints contain high pigment levels suspended in an acrylic polymer vehicle. Unlike mixtures of heavy-bodied paints and water, they offer fine dispersion, high tinting strength, durability, flexibility, and good adhesion. 


Golden Fluid Acrylic Paints have a similar formulation, pigment load, and color strength compared to Golden Heavy Body Artist Acrylics. Fluid Acrylics have greater leveling, and they load a brush more evenly than thicker paints, resulting in a consistent flow off the brush and longer, more uniform brush strokes.


To create heavier strokes, blend Fluid Acrylics with any Golden Gel Medium to thicken the paint to various extents. Because of the thin consistency and potency of Golden Fluid Acrylics, they are the easiest of all the paint systems to incorporate into powerful gel mixtures. These paints retain excellent flexibility when dry, greatly diminishing the likelihood of cracking that occurs in other natural and synthetic polymer systems. They can also absorb the constant stress and strain placed on canvas when shipped or as it expands and contracts with changes in temperature and humidity

 

Golden Fluid Acrylics are highly intense, permanent acrylics with a consistency close to heavy cream. Produced from lightfast pigments, they offer strong colors with thin consistencies. No fillers or extenders. Ideal for spraying, brushing, and staining.

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Golden Gloss Medium is a general-purpose liquid polymer for creating thin, fast-drying glazes, extending colors, enhancing gloss, and increasing film integrity. It's oil-like and resinous, promoting flow and leveling.

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Classic Theory Color Mixing Set of 8. Out of package.

Golden Heavy Body Artist Acrylics are known for their exceptionally smooth, thick, and buttery consistency. They have the ability to "stand up" and retain brushstrokes or palette knife marks on the canvas.


The Golden Heavy Body line also contains the largest assortment of unique pure pigments in a 100% acrylic emulsion vehicle available to professional artists. There are no added fillers, extenders, opacifiers, toners, or dyes.


Each Golden Heavy Body Acrylic color is formulated differently depending on the nature of the pigment. Colors that tolerate higher pigment loads dry to a more opaque, matte finish, while colors that are more reactive and don't accept high pigment loading dry to a glossy finish and tend to be more transparent. Since Heavy Body Acrylics are free from additives (such as matting agents) the gloss of each color will be different.


Golden Heavy Body Artist Acrylics are permanent and lightfast. A hand-painted color chart is available upon request.



Golden Heavy Body Artist Acrylics are known for their exceptionally smooth, thick, buttery consistency, and for their excellent permanency and lightfastness. These paints have the ability to "stand up" and retain brush strokes or palette knife marks on the canvas.

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Incredibly flexible, Golden High Flow Acrylics have an ink-like consistency that lends itself to a wide range of techniques — painting, pouring, drawing, staining, glazing, inking, hand lettering, spraying, and more.  
  These acrylics move effortlessly from airbrush to dip pen, from paintbrush to refillable marker, and from fine line detail to broad strokes. 
  High Flow Acrylics are fully compatible with Golden Heavy Body, Fluid, and Open Acrylics as well as Golden Mediums.

Incredibly flexible, Golden High Flow Acrylics have an ink-like consistency that lends itself to a wide range of techniques — painting, drawing, staining, glazing, inking, hand-lettering, airbrushing, and more.

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Golden GAC 500 Self-Leveling Acrylic Polymer Mediums adds a self-leveling working quality and dries to a high gloss finish with good transparency. Increases mar resistance, and decreasing dry film tack.

Achieve complete technical control over your acrylic paints and painting environment with Golden GAC Acrylic Polymer Mediums. GAC specialty polymers 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 GAC 500 Self-Leveling Acrylic Polymer Mediums adds a self-leveling working quality and dries to a high gloss finish with good transparency. Increases mar resistance, and decreasing dry film tack.

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The hardest and least flexible polymer. Mix Golden GAC 200 Hard Acrylic Extender Polymer Mediums with acrylic paints to increase film hardness and reduce dry film tack. Use to adhere acrylic paints to nonporous surfaces such as glass or plastic. Dries to a clear, gloss finish.

Achieve complete technical control over your acrylic paints and painting environment with Golden GAC Acrylic Polymer Mediums. GAC specialty polymers 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.

The hardest and least flexible polymer. Mix Golden GAC 200 Hard Acrylic Extender Polymer Mediums with acrylic paints to increase film hardness and reduce dry film tack. Use to adhere acrylic paints to nonporous surfaces such as glass or plastic. Dries to a clear, gloss finish.

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Dilute and extend colors, and increase flexibility and film integrity with Golden GAC 100 Primer Extender Acrylic Polymer Mediums. Wets out solids more readily than other polymers, and is useful for artists making their own paints.

Achieve complete technical control over your acrylic paints and painting environment with Golden GAC Acrylic Polymer Mediums. GAC specialty polymers 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.

Dilute and extend colors, and increase flexibility and film integrity. Wets out solids more readily than other polymers, and is useful for artists making their own paints. Achieve complete technical control over your acrylic paints and painting environment with Golden GAC 100 Primer Extender Acrylic Polymer Mediums.

Harden, sculpt, and shape fabrics with Golden GAC 400 Fabric Stiffener. An alternative to rabbit skin glue, this medium can be used to prime and reduce the flexibility of canvas, cotton, linen, and more. It can also transform lightweight fabrics into freestanding forms.

Golden GAC 400 Fabric Stiffener | BLICK Art Materials

Shop Golden GAC 400 Medium - 8 oz bottle at Blick. Find everything you need for your next creative project online.

WARNING: This product contains a chemical known in the State of California to cause cancer.

California Proposition 65

WARNING: CANCER AND REPRODUCTIVE HARM -- WWW.P65WARNINGS.CA.GOV

Golden GAC 400 Medium - 8 oz bottle | BLICK Art Materials

Shop Golden GAC 400 Medium - 16 oz bottle at Blick. Find everything you need for your next creative project online.

Golden GAC 400 Medium - 16 oz bottle | BLICK Art Materials

Shop Golden GAC 400 Medium - 128 oz jar at Blick. Find everything you need for your next creative project online.

Golden GAC 400 Fabric Stiffener

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Frequently Asked Questions

Golden Acrylic Polymer Varnishes

Golden Fluid Acrylic Paint and Sets

Golden GAC 100 Primer Extender Acrylic Polymer Mediums

Golden GAC 200 Hard Acrylic Extender Polymer Mediums

Golden GAC 500 Self-Leveling Acrylic Polymer Mediums

Golden GAC 800 Low Crazing Acrylic Extender Polymer Mediums

Golden GAC 900 Fabric Medium

Golden Gloss Medium

Golden Heavy Body Artist Acrylic Paints and Sets

Golden High Flow Acrylic Paints and Sets

Golden Matte Mediums