La Rioja PAU Graphic-Plastic Expression (UR) Practice Questions - La Rioja PAU Graphic-Plastic Expression Techniques Técnicas De Expresión Gráfico-Plástica (2026) Exam

Why must liquid fixative (fijador) be applied in light aerosol sprays over un-fixed charcoal or pastel drawings?

To bind loose pigment particles to the paper fibers using a thin film of resin or shellac To dissolve the pigment particles into a permanent waterproof acrylic paint layer To bleach yellowed paper background back to pure white To increase the surface gloss of matte pastel strokes

Correct Answer:

To bind loose pigment particles to the paper fibers using a thin film of resin or shellac

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