The spraying of varnish on Styrofoam contains risks, as the aggressive varnish destroys the fine structure of the Styrofoam. To process Styrofoam with varnish, it should be primed with white URBAN Fine-Art™ Styrofoam spray. Afterwards the artistic application can be startet as usual.

Special feature: this does also work on polystyrene.

H222-H229 Extremely flammable aerosol. Pressurised container: May burst if heated.
H315 Causes skin irritation.
H336 May cause drowsiness or dizziness
H412 Harmful to aquatic life with long lasting effects.