SF-50
IDENTIFICATION
Stearoyl benzoyl methane, also named 1,3 - eicosanedione, 1 - phenyl
Approved in the greater part of the world for plastified and rigid PVC in contact with foodstuffs.
CAS 58446-52-9
EINECS 261-257-4
SPECIFIC PROPERTIES
Co-stabilizer for PVC.
Improve efficiency of Ca/Zn stabilization or similar.
Its thermal stability and safety are suitable to stabilize foodstuff packaging and mainly mineral water.
SPECIFICATIONS
Appearance Fine powder
Color White to slight yellow
Odour Nil to slight
Solidification point (°C) Solution in Cl2 CH 2 (1g + 20 ml) ≥ 56 AN3250
Colour (Hazen) of this ≤ 100 AN3012
solution Assay (meq/100 g) ≥ 245 AN3399
Loss at 120°C / 1 h (%) ≤ 0,2 AN3050
Sulfuric ashes (%) Free ≤ 0,2 AN3070
acetophenone (%) ≤ 0,002 AN6001
Heavy metal (Pb) (%) ≤ 0,002 AN3101
GENERAL PROPERTIES
Density 0,96
Apparent volumetric mass (g/cm3) Boiling point 0,20 to 0,35
- under 105 Pa (°C) 400
under 2750 Pa (°C) 300
Solubility at 20℃
Solubility at 20°C
Foodstuff liquid | Organic solvents | ||||
Water Ethylic alcohol 10% Acetic acid 3% Sunflower seed oil | mg/l mg/l mg/l mg/l | <1 <20 <30 <9 | Dichloromethane Cyclohexane Toluene Ethylacetate Aceton Methanol | g/l g/l g/l g/l g/l g/l | 260 31 55 12 12 <0。5 |
Thermal stability: very good thermal stability. No fumes are given off during the compound processing.
STANDARD APPLICATIONS
Suitable to stabilize PVC resin to be used for rigid and plasticized PVC applications in contact with foodstuffs.
Mainly recommended for extrusion and calendering process.
STANDARD PACKAGING
25 kg cardboard boxes / 600 Kg pallets.
To avoid caking and taking into account the low melting point, it must be protected against heat.
SHELF LIFE:730 days