Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Polymer Name
- Base Chemicals Functions
- CASE Ingredients Functions
- Industrial Additives Functions
Features & Benefits
Applications & Uses
- Applications
- Applicable Processes
- Application Method
- Coating Type
- Industrial Additives End Use
- Ink & Toner Type
- Applications
- 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, Mold release polyester / silicone, PVC Polymerisation, Water soluble films.
Properties
- Color
- Physical Form
- Appearance
- White to off white granular solid
- Typical Properties
- Specifications
Value | Units | Test Method / Conditions | |
Electrical Resistivity | (3.1 - 3.8) x10⁷ | ohm - cm | — |
Glass Transition Temperature | 58 | ºC | — |
Light Stability | Excellent | — | — |
Mean Coefficient of Thermal Expansion (at 0 - 45ºC) | (7 - 10) x10⁻⁵ | per ºC | — |
Melting Point | 180 | ºC | — |
Refractive Index (at 20ºC) | 1.52 -1.55 | — | — |
Specific Gravity | 1.27 - 1.31 | — | — |
Specific Heat | 1.65 - 1.67 | J/g K | — |
Thermal Conductivity | approx. 2 | W/m ºC | — |
Value | Units | Test Method / Conditions | |
Ash (Expressed as Sodium Oxide) | max. 0.5 | wt% | ISE |
Degree of Hydrolysis | 87 - 89 | mole% | Titration |
Methanol Content | max. 0.9 | wt% | GC-HS |
pH (in 4% Aqueous Solution) | 4.5 - 6.5 | — | Potentiometry |
Viscosity (at 20°C, 4% aqueous Solution) | 23 - 27 | cP | Brookfield |
VOC | max. 1 | wt% | GC-HS |
Volatile Content | max. 5 | wt% | Drying |
Regulatory & Compliance
- Certifications & Compliance
- Chemical Inventories
- Regulatory Information
Polyvinyl alcohol is registered in the following inventories: AICS (Australia), CEPA DSL (Canada), TSCA (United States), MITI (Japan), AUSTRIA, CHINA, PHILIPPINES and SOUTH KOREA.
- Food Contact Status
SELVOL™ E 523 conforms to various FDA and BfR regulations for use in food contact applications. The user should check the regulation corresponding to the proposed application, in order to verify that the SELVOL™ grade to be used is within the specified limitations. For more details the user is invited to contact our customer service department.
Packaging & Availability
- Regional Availability
- Packaging Information
SELVOL™ E 523 can be made available in the following packaging:
- 25 Kg Antistatic Polyethylene bags palletised on CP1 pallets 1.25 TM (shrink wrapped or stretch wrapped) 4 way entry pallets.
- 500 Kg and 1000 Kg Polypropylene Rafia Big Bag palletised on 90 x 90 cm (stretch wrapped) 4 way entry pallets.
- Bulk transportation vehicles 20 - 25 TM Maximum.
- Other packaging may be available on request.
Storage & Handling
- Storage
SELVOL™ E 523 Polyvinyl alcohol is stable over a long period of storage under dry conditions.