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Introduction » 400 nasvetov za darilo » Umetniški set Loving Vincent medium
Arabska guma 100 mlNaravna arabska guma visoke kakovosti, slavnega češkega proizvajalca UMTON, namenjena pravim poznavalcem - slikarjem. Arabska guma Kordofan UMTON je smola akacije, ki se uporablja kot vez pri izdelavi vodenih barv. Prav tako se uporablja pri pripravi eulzije za tempere, kot vez za akrilne barve, pa tudi kot emulgator določenih barv in emulzij. Raztaplja se v vodi.Arabska guma služi tudi kot tekočina za prekrivanje akvarela. Prekriva tiste točke ki se morajo zaščititi pred nanosom akrvarel barv. Ko se barve posušijo, se guma odstrani s slike.Priprava raztopine arabske gume: 100 ml kordofinske gume pustiti en dan v 200 ml hladne vode da se napihne, nato pa z gretjem razpustiti dodati košček kafre ali dozo formalina (vodna raztopina formaldehida), da se ne bi skisalo. arabsko gumo je prav tako možno emulgirati z voskom: 5 kom arabske gume v prahu, 4 celice voska, 1 del damar laka zagreti na 70 °C in dodati 10 ml vroče prekuhane vode z 2 kapljicama glicerina.Priporočamo uporabo za slikanje s temperami in akvarel barvami.Pakiranje UMTON vsebuje:1kom 100ml arabske gume v flaški.
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