PRODUCT TYPE: Polymeric MDI
PRODUCT DESCRIPTION: Generic Quality Polyurethane Raw Material
PMDI is a liquid , dark brown mixture of diphenylmethane-4,4’-diisocyanate(MDI) with isomers and homologues of higher functionality.It is used in conjunction with polyols to produce rigid polyurethane foams.
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PROPERTY /UNIT |
TYPICAL VALUE |
TEST METHOD |
|
NCO content(% by wt.) |
30.5-32.5 |
2011-0248603-94 |
|
Viscosity at 25°C(mPa.s)1 |
160-240 |
2011-0313703-95 |
|
Acidity(ppm HCI) |
Max.200 |
2011-0461102-96 |
|
Density at 20°C (g/cm3)2 |
Approx.1,23 |
DIN 51757 |
|
Phenyl isocyanate content(ppm)2 |
Max.50 |
2011-0489801-95 |
1: Lengthy storage can lead to an increase in the viscosity of MDI, although in our experience this has no adverse effect on the processing properties of this product.
2: These values provide general information and are not part of the product specification.
PRODUCT SAFETY AND HANDLING
Following the procedures as outlined in the MSDS for this material and other related chemicals used with this material, to produce polyurethane foam.
PMDI is packed in drums, IBCs , tank containers and tank wagons .Recommended storage temperature: +10 to +30 °C (in exceptional case up to 50°C).storage stability (ex works):6 months if stored in moisture-tight drums.
When handling PMDI, precautions should be taken to avoid exposure to the eye or prolong contact with the skin. If eye contact occurs, flush with plenty of water. If skin contact occurs, wash exposed areas thoroughly with soap and water.To obtain MSDS for this product, other products and technical support, please contact your POLYURETHANES representative at the address detailed below.
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