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Isocyanate
Isocyanate

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The organic compound containing isocyanate group (-NCO) in its molecules is constituted as primary components together with polyol when producing the PU, utilizing MDI, TDI & etc. for polyurethane foam manufacturing process.

The Polymeric MDI constitutes of liquid state under room temperature provided with the average numbers of functional groups as 2.3 ~ 3.0 level, as characterized by the viscosity, reactivity and NCO% content. The viscosity of product depends upon the average molecular weight and NCO% content.
The Polymeric MDI is widely used in most of polyurethane foam manufacturing application such as insulation materials for refrigerator, freight container, spray, architectural buildings and motor vehicle interior construction.

The Monomeric MDI is primarily used in non-foamy polyurethane such as Spandex, Synthetic Leather, Elastomer, Coating and Sealant products, which are sold by drum packaged with 250kg.
The mostly appropriate storage temperature for Monomeric MED shows as 20~35℃.
Pay utmost attention not to have the moisture mixed in storage container, concealing the container with the dry nitrogen gas as far as possible. When working with MDI, make sure to put the suitable safety equipment, and install the ventilation provision or wear the gas mask as necessary. Make sure to wash with soap water after works, and wear the contaminated working cloth only after thoroughly washing.



 

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