China (Mainland)
Quick Details
- Other Names: MDI
- Place of Origin: Germany
- Type: Polyurethane Synthetic Material
- Brand Name: COVESTRO
- Model Number: Desmodur 2460M
- Purity: 99.5%
- Product name: 2460M Liquefied MDI
Characterization
- Monomeric diphenylmethane diisocyanate with high 2,4'-isomer content and stabilized against discoloration during storage.
- Formulation of prepolymers for use in one- and two-component polyurethan coatings and adhesives and in related applications.
- Desmodur® 2460 M is an isomeric mixture of monomeric diphenylmethane diisocyanate that is liquid at temperatures above 20 °C. Storage and handling are greatly simplified compared to 4,4' isomer that is solid at room temperature.
-
Form supplied:
Solvent-free, colorless to yellowish liquid of low viscosity at temperatures above 20 °C, that crystallizes at lower temperatures.
Product Properties
| Property | Value | Unit of measurement | Method |
|
2,2'-MDI |
max. 0.8 |
% |
MDI-01-06 |
|
2,4'-MDI |
55.0 ± 5.0 |
% |
MDI-01-06 |
|
4,4' MDI |
min. 39.2 |
% |
MDI-01-06 |
|
Hydrolysable chlorine |
max. 50 |
mg/kg |
MDI-01-04 |
|
NCO content (theoretical) |
33.6 |
% |
by wt. |
|
Density at 25 °C |
1.21 |
g/cm3 |
DIN 51 757 |
|
Vapor pressure at 20 °C (MDI) |
< 10-5 |
hPa |
|
|
Phenyl isocyanate content |
max. 10 |
ppm |
2011-0489801-95 |
|
Viscosity at 25 °C |
12 ± 2 |
mPa·s |
2011-0313703-95 |
|
Degree of purity (MG 250) |
min. 99.5 |
% by wt. |
2011-0248603-94 |
*These values provide general information and are not part of the product specification.
Storage
-
- Storage in original sealed Bayer MaterialScience container.
- Recommended storage temperature: 20 - 40 °C.
- Protect from moisture, heat and foreign material.