Thursday, June 3, 2010

Genral Composition of Finishing Floats

Spray Staining  

100-200 parts metal complex dyestuff-liquid
0-200 parts water-miscible solvent
(Ethoxyethanol,isopropanol)
900-600 parts water  
Grain impregnation
250 parts impregnation binder
 50 parts  penetrator 0-100 parts liquid brightening dye
  700-600 parts water  
Base coat
Grain leather                                           Corrected Grain leather
30 -50 parts       pigment colors           50-100 parts
100-150 part      polymer binder          150-250 parts
10-30 parts         casein binder             20-50 parts
860-770 parts     water                           780-600 parts
Pigment
Grain leather                                                Corrected Grain
50-100 parts       pigment colors             100-150 parts
100-200 parts     polymers  binders        150-250 parts
20-50 parts         casein binders               50-100 parts
--------                   filling agents                  20-50 parts
--------                    flow improvers             10 -30 parts
830 – 650 parts    water                             670-420 parts
Fixation
300 parts formaldehyde (30%) not used in common because of ban
                   650 parts water
0-50 parts acetic acid (6 Be⁰)
Top coats
Casein basis
            150 -300 parts casein binder
            5-20 parts plasticizer
            680 – 850 parts water
Emulsion liquor
    600-900 parts  casein binder
   100-300 parts water
   0-100 parts formaldehyde 30 %
    
Nitrocellulose Lacquer  or CAB lacquer
0-50 parts pigments colors
200-300 parts gloss/matt lacquer
10-20 parts plasticizers
630- 790 parts solvent

Polyurethane lacquer for patent leather (after application of a special base coat)
100 parts polyurethane lacquer component
120-150 parts water-free organic solvent

30-60 parts cross-linking agent



No comments:

Post a Comment