Selvol™ E 523

Category: PVOH , Polyvinyl Alcohol
Manufacturer: Sekisui Chemical Company, Ltd.
Trademark: Selvol™
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: IBkGI6_Selvol-E-523.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
Wechat: WECHAT
Message
SELVOL™ E 523 is a medium viscosity partially hydrolysed polyvinyl alcohol which finds applications principally in the Adhesives, Paper and Textile industries.
Adhesives: PVAc emulsions for wood,paper, packaging and building ; Remoistenables.
Paper: Surface sizing; Antigrease treatment.
Textiles: Spun yarn sizing / Synthetic; Filament yarn sizing; Finishing; Printing.
Others: Cement mortars (fine powder product); Gypsum boards (fine powder product); Ceramics binder and coating; Protective strip coatings; Mould release polyester / silicone; PVC Polymerisation; Water soluble films
General Information
Features
  • Medium Viscosity
Uses
  • Adhesives
  • Textile Applications
Agency Ratings
  • BfR Food Contact, Unspecified Rating
  • FDA Unspecified Rating
Appearance
  • Off-White
  • White
Forms
  • Granules
PhysicalNominal ValueUnitTest Method
Density 1.27 to 1.31g/cm³
Ash Content - Expressed as Sodium Oxide < 0.5wt%Internal Method
pH - Of a 4% aqueous solution 14.5 to 6.5Internal Method
Viscosity - Of a 4% aqueous solution at 20ºC 223 to 27mPa·sBrookfield
VOC Content < 1.0wt%Internal Method
OpticalNominal Value
Refractive Index - nD^20°C 1.5200 to 1.5500
Additional InformationNominal ValueUnitTest Method
Degree of Hydrolysis 87.0 to 89.0mol%Internal Method
Light Stability Excellent
Methanol Content < 0.9wt%Internal Method
Volatiles < 5.0wt%Internal Method
ThermalNominal ValueUnit
Glass Transition Temperature 58.0°C
Melting Temperature 180°C
CLTE - Flow (0 to 45°C)7.0E-5 to 1.0E-4cm/cm/°C
Specific Heat 1650 to 1670J/kg/°C
Thermal Conductivity 2.0W/m/K
ElectricalNominal ValueUnit
Volume Resistivity 3.1E+7 to 3.8E+7ohms·cm
Note Message
1 .International Reference: ISO 976
2 .International Reference: ISO 2555
Resin Grade Manufacturer Category Trademark
Sicoflex 91 Ravago Group ABS Sicoflex
Sinelec CCB6905 Teknor Apex Asia Pacific PTE. LTD. PS (Specialty) Sinelec
Moplen Z30S Shazand (Arak) Petrochemical Corporation PP Homopolymer Moplen
VECTRA® S471 Celanese Corporation LCP VECTRA®
Sylvin 7844-85C Natural Sylvin Technologies Incorporated PVC, Unspecified Sylvin