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Gypsum plaster

(Hand applied and projection plaster)
Type of plaster Starting formulation
(approx. %) 		Recommended grade
Hand plaster
Calcined gypsum 86.0-98.0
Limestone filler 0-10.0
Perlite 0-1.0 mm 1.5
Hydrated lime 0.5-1.0
Retarder 0.03
Air entrainer 0.025
Starch ether  0.02
BERMOCOLL 0.18-0.25
 BERMOCOLL CCM 879
BERMOCOLL CCA 379
Projection plaster
Calcined gypsum   81.0-98.0
Limestone filler  0-15.0
Perlite 0-1.0 mm     1.0
Hydrated lime  0.5-1.5
Retarder      0.03
Air entrainer 0.03
Starch ether    0.02
BERMOCOLL 0.18-0.25
 BERMOCOLL CCA 312
BERMOCOLL CCA 612
Satin plaster (0.5-3 mm)
Finishing plaster
Hemi hydrate   80.0-90.0
Calcite 0-50 µm 10.0-20.0
Hydrated lime   0.05-0.2
Retarder 0.02-0.04 
Starch ether  0-0.02
BERMOCOLL 0.5-0.7
 BERMOCOLL CCA 698
BERMOCOLL CCA 425

CCD 1506
 Gysum based plaster  

 
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