Soft Black Ball Ground Varnish - Charbonnel

Varnishes graphics
Key components:
Bitumen judean (components coal soluble in organic solvents) - provides chemical protection and gives the opaque acid and darkened the color.
Waxes - their durability varies according to their properties. Waxes make fertile ground (prevent desquamation rite), give the effect of matt or gloss.
Resin Dammar, called. damar (natural resin) and mastics (resin from the tree Pistacia lentiscus ) - transparent resins, which reinforce the resistance of the surface. Their hardness does not interfere with rite with tools. Mastics is not soluble in white spirits.
Extract turpentine - dries slowly, it gives an average surface gloss finish.
Fast drying oil - it dries faster than the extract of turpentine, gives a more matte finish.
Rosin - strengthens resistance, hardness of the ground, allowing the etching tools.
Resins - (colour: brown to black, depending on the origin) improve the resistance, surface durability.
Dry extract - dry ingredient, which is not oxidized.