WESTON™ TDP ZP
WESTON™ TDP ZP phosphite ester is a phenol free trialkyl phosphite which is useful as a secondary stabilizer in ABS, polyethylene terephthalate, PET fibers, coatings, lubricants, PVC, polycarbonate and polyurethanes. It can also be used in polyolefins where regulatory approval for food contact is not required.
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| Property Name | Value | Unit |
| Appearance | Liquid | -- |
| Color | Colorless, to, light yellow | -- |
| Density at 25 °C | 0.89 | g/cm3 |
| Flash point | 160 | °C |
| Molecular weight | 502.8 | g/mol |
| Odor | Slight, alcohol-like | -- |
| Solubility in water | Insoluble, hydrolyzes | -- |
| Vapor pressure at 25 °C | 6.7 | hPa |
| Specification Name | Value | Unit | Test Method | Test Condition |
| Acid No. | 0.20 max | mg KOH/g | -- | -- |
| Color (APHA , Pt - Co) | 50 max | -- | -- | -- |
| Density at 25°C | 0.89 | lb/gal | -- | -- |
| Flash Point | 160 | °C | -- | -- |
| Formula Weight | 502 | -- | -- | -- |
| Phosphorus Content | 6.2 | % | -- | -- |
| Refractive Index at 25°C | 1.450-1.461 | -- | -- | -- |
| Solubility in aprotic organic solvents | Soluble | -- | -- | -- |
| Specific Gravity at 25°C - 15.5°C | 0.880-0.905 | -- | -- | -- |
| Vapor Pressure at 180 °C | 5 | mm/Hg | -- | -- |
| Viscosity at 38°C | 11.6 | cps | -- | -- |
WESTON™ TDP ZP TDS | Technical Data Sheets | English
WESTON™ TDP ZP phosphite ester is a phenol free trialkyl phosphite which is useful as a secondary stabilizer in ABS, polyethylene terephthalate, PET fibers, coatings, lubricants, PVC, polycarbonate and polyurethanes. It can also be used in polyolefins where regulatory approval for food contact is not required.
Safety Data Sheets are available upon request | Safety Data Sheets
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