Graphic arts auxiliaries

GRAPHIC INDIA INK
Properties:

• Colour: Black, opaque, satin and indelible once dry
• Good lightfastness
• Thinner: Water
• Drying: Several dozen minutes depending on the dilution and the surface used
• Cleaning the tools: With water before drying

DRAWING GUM
Properties:

• Thinner: Not recommended
• Drying: 30 seconds to around 5 minutes depending on the thickness deposited and the surface used
• Cleaning the tools: With soapy water before drying
• For fine lines, or with markers: once dry the film should be removed no later than a week after application

KNEADABLE ERASER
Properties:

• Consistency: mouldable paste

THE PEARL INK MEDIUM 
Properties:

• Transparent watercolour ink with a pearlescent effect
• Drying: Several dozen minutes depending on the dilution and paper weight
• Cleaning the tools: With water

VARNISH

• Crystal Varnish
• Surfine Gouache Varnish
• Satin water-based gouache varnish
• Solvent-based anti-UV varnish

Varnishes protect illustrations in ink or gouache against friction, moisture and ultra-violet. They also change the intensity and depth of colour, and unify the differences in brightness.
When the colour is applied thickly, it is advisable to wait 1-2 weeks before varnishing work.
PASTEL AND CHARCOAL FIXATIVE
Properties:

• Acrylic varnish: Non-yellowing, transparent and satin
• Drying: Away from dust, around 2 to 3 hours depending on the thickness and the temperature