Polymethylene Polyphenyl Polyisocyanate Paramete:
| Product Name | Polymethylene polyphenyl polyisocyanate |
| CAS | 9016-87-9 |
| Appearance | Brown Liquid at 20 °C at 1.013 hPa |
| NCO Content/% | 30.5-32.0 |
| Acid Content/% | ≤0.030 |
| Hydrolysable Chlorine/% | ≤0.20 |
| Odour | earthy, musty |
| Pour point | < 0 °C |
| Boiling point/boiling range | > 300 °C at 1.013 hPa |
| Flash point | 226 °C |
| Density | 1,238 g/cm³ at 20 °C |
| Miscibility with water | immiscible at 15 °C |
| Ignition temperature | > 500 °C |
| Viscosity, dynamic | >= 200 mPa.s at 20 °C |
| PSA | 58.86000 |
| LogP | 4.93 |
| Vapor pressure | 0.0±0.8 mmHg at 25°C |
| Refractive index | 1.588 |
| Brand | Look Chemical |
| Origin | China |
| SKU | LC-9016-87-9 |
Specification:
| Property | Value | Unit of measurement | Method |
| NCO content | 30.50 – 32.50 | % by wt. | MDI-01-01 |
| Viscosity at 25 °C | 160.0 – 240.0 | mPa·s | MDI-01-02 |
| Acidity (HCL) | ≤ 200 | mg/kg | MDI-01-03 |
* Lengthy storage can lead to an increase in the viscosity of Desmodur ® 44V20L, although in our experience this has no adverse effect on the processing properties of the product.
Other Data
| Density at 20 °C | approx. 1.23 | g/cm³ | DIN 51757 |
| Phenyl isocyanate content | ≤ 50 | ppm | MDI-01-09 |
| Specific Heat (cp) | approx. 1.51 | kJ/kg.K | |
| Coefficient of thermal expansion | 6.59X10-4 | K-1 |
There are no reviews yet.