PMMA XT – EXTRUDED Extrusion is a continuous manufacturing production method where PMMA granular is first heated then fed through barrels where the physical process occurs. As a result, extruded acrylic is heterogeneous with properties that may vary depending upon the direction of extrusion. Extruded acrylic costs less than CAST and is more dimensionally stable, meaning the […]
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Methylene Diphenyl Diisocyanate (MDI)
CAS:101-68-8
Methylene Diphenyl Diisocyanate is produced by a 4 steps reaction based on benzene as feedstock.
There are 3 isomers of MDI : 2,2-MDI, 2,4-MDI, and 4,4-MDI. The 4,4 isomer is known as pure or monomeric MDI (mMDI).The Polymeric MDI so called Crude MDI contains monomeric MDI and products with higher MW (pMDI).

MDI is used to produce foam for Insulation, PU elastomer, shoe soles, systems houses, synthetic leather, cold stores, sport floor, foundry, mining, …
MDI is the least hazardous of the commonly available isocyanates because of its low vapour pression but it is not benign.
Arpadis is one of the largest chemical distributor in Europe.
Arpadis is handling the storage, transport, export & import formalities of Methylene Diphenyl Diisocyanate globally.


