Polymeric MDI - PMDI

Polymeric MDI is a type of methylene diphenyl diisocyanate (MDI), a key ingredient in the production of polyurethane foams. While MDI itself is a diisocyanate monomer, polymeric MDI is a mixture of diisocyanates with varying degrees of polymerization.

Product Details

Formula:

C15H10N2O2

CAS Number:

9016-87-9

Also Known As:

PMDI; Isocyanic acid, polymethylenepolyphenylene ester; Polyphenylpolymethylene polyisocyanate; PAPI

Structure:

452_Main_Polymeric_MDI-removebg-preview.png

applications:

Polymeric MDI is used in polyurethane foams in insulation panels for buildings, refrigerators, and freezers


It is also used in coatings, sealants and adhesives for construction, automotive, and other industries.

Typical Specifications

Data is representative of average lots;
data taken from specific lots may vary.

Appearance

Dark-brown liquid

Density, g/cm3

1.2

Flash Point, °C

200

Melting point, °C

38

Molecular weight, g/mol

149.15

Odor

Weak odor

Purity, %

99

Refractive index, n20/D

1.634

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