Diofan® A 602

About
Diofan® A 602 is a water based dispersion of a polyvinylidene chloride copolymer. It is free of solvent traces, alkylphenol ethoxylates or any other toxic substances. It features strong barrier properties to water vapor and very low water absorption. Diofan® A 602 also offers very good resistance to oil and benzene. Due to a very low MFFT, this waterborne binder can be applied at low temperature as a flexible and tack free film. Diofan® A 602, as chlorinated based latex, combines also fire retardant properties. End uses are for example: Barrier and sealing coatings Flame resistant coatings Fiber and textile coatings Substrates can be concrete, cement, wood, gypsum, paper, fiberboard, fabrics and others.&&

Product Description
SupplierSolvay
GenericPVDC
Material StatusCommercial: Active
FeaturesLow or no water absorption,Low odor,Flame Characteristics,Moisture resistance,Grease resistance,Nontoxicity
AvailabilitysNorth America,Latin America,Asia Pacific,Europe

Technical Data
PHYSICALNominal valueUnitTest method
PH value4.0 
surface tension33mN/m
Film-forming property
Minimum film-forming temperature5
Solid content55%
Density 
Disperse (wet)1.260g/cm³
Coating (dry)1.580g/cm³
Lotion type阴离子 
Viscosity shear gradient 250 seconds ^ -1
23℃19mPa·s

filmNominal valueUnitTest method
Water vapor transmittance
38℃,90% RH,1.0 µm160g/m²/24 hrASTM F1249
Oxygen transfer rate
25℃,0% RH,1 µm> 1000cm³/m²/bar/24 hrASTM D3985

THERMALNominal valueUnitTest method
Glass transition temperature7.00

Supplementary informationNominal valueUnitTest method
Shelf life12month

Notes
1. Typical properties: these are not to be construed as specifications.
2. Glass transition temperature TG measured with a dried Diofan® A 602.
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