Diofan® B 203

About
Diofan® B 203 is a PVDC latex with outstanding impermeability to gases and moisture. It is particularly recommended for coatings on plastic films.&&

Product Description
SupplierSolvay
GenericPVDC
Material StatusCommercial: Active
FeaturesLow odor,Moisture resistance
AvailabilitysEurope

Technical Data
PHYSICALNominal valueUnitTest method
PH value1.7 
surface tension
Foaming trend42mN/m
Film-forming property
Minimum film-forming temperature14
Solid content51%
Density 
Coating (dry)1.650g/cm³
coating1.270g/cm³
Lotion type阴离子 
viscosity
Dynamic,20℃0.017Pa·s

MECHANICALNominal valueUnitTest method
friction coefficient
With oneself – dynamic0.35 ASTM D1894

filmNominal valueUnitTest method
Water vapor transmittance
38℃,90% RH,1.0 µm11g/m²/24 hrASTM F1249
Oxygen transfer rate
25℃,85% RH,1.0 µm11cm³/m²/bar/24 hrASTM D3985
Heat sealing threshold
0.4 N/cm123
Maximum heat sealing resistance
20 PSI 1s 1 heated jaw1.0N/cm

Supplementary informationNominal valueUnitTest method
Shelf life
23℃6month

Notes
1. Typical properties: these are not to be construed as specifications.
2. Coating on BOPET film. Diofan® coating weight dry: 2.5 g/ m²; used additive package: 5 g/kg wax + 5 g/kg silica after 2 days storage at 40°C
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