Retarder is an additive used to increase the open (drying) time of acrylic paints. Useful for wet in wet techniques and reducing skinning on the palette.
Soft Gels are thinner than Heavy Body Colors. Mix with color to produce a brilliant glaze. Soft gels can be a base for wet blending and also as an adhesive for collage.
GAC 900 Fabric Painting Medium, when heat-set properly, offers a very soft hand and laundering stability. Mix with High Flow Acrylics to produce "tie-dye" effects, or blend with GOLDEN Heavy Body, Matte or Fluid Acrylics for brush or screen application.