68
TwinControl .
OPERATING MANUAL
EDITION 04/2010 PART NO. DOC393831
8.2 CONVERSION OF DIFFERENT MIXING PROPORTION SPECIFICATION
)TISVERYIMPORTANTTHATTHEDATASHEETSOFTHEPAINTSUPPLIERAREAVAILABLESOTHATTHECOR
RECTMIXINGRATIOCANBEENTERED
3OMEPAINTSUPPLIERINDICATETHEMIXINGRATIOBYWEIGHTOTHERSBYVOLUME
3INCETHEmOWMETERMEASUREVOLUMETRICWENEEDTHESPECIlCATIONINVOLUME
#ONVERSIONOFMIXINGPROPORTIONOFGRAVIMETRICALLYINVOLUMETRIC
&OREXAMPLE
PARTSBYWEIGHT#OMP!AND
PARTSBYWEIGHT#OMP"
OR G#OMP!
G #OMP"
OR PARTSBYWEIGHT
OR BYWEIGHT!GRAV"GRAV
4HE DENSITY OR SPEC VOLUME MUST OF THE COMPONENTS ! AND " ADMITS TO BE OR BE
BEFOREHANDDETERMINED
7EIGHT
!
GR GR +G
6OLUME
!
CM
CM
,
0
!
7EIGHT
"
GR GR +G
6OLUME
"
CM
CM
,
0
"
$ENSITY
-IXINGRATIO
-VOL!VOLÁ"VOL Á
!GRAV "GRAV
0
!
0
"
GR GR
CM
CM
-VOL
GR
Á
GR
Á
OTHERVOLMIXINGPROPORTIONSPECIFICATIONS
PARTSBYVOLUME#OMP!
PARTSBYVOLUME#OMP"