Covestro MONDUR® TD 80 Grade B Polyurethane

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Covestro MONDUR® TD 80 Grade B Polyurethane
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Mondur TD 80 Grade B is an aromatic diisocyanate mixture of 2,4 and 2,6 toluene diisocyanate (TDI) isomers in the ratio of 80/20. Properties / Applications: Mondur TD 80 Grade B diisocyanate (increased acidity) is used to prepare prepolymer resins which are subsequently formulated into coatings, adhesives and sealant systems. As with any product, use of Mondur TD 80 Grade B diisocyanate in a given application must be tested (including but not limited to field testing) in advance by the user to determine suitability. Information provided by Covestro
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Physical Properties	Original Value	Comments

Specific Gravity	1.22 g/cc

Thermal Properties	Original Value	Comments
Flash Point	127 °C	PMCC

Optical Properties	Original Value	Comments
Refractive Index	1.566

Descriptive Properties
Acidity	0.009-0.01%	as HCl
Appearance	Water white to pale yellow liquid
Boling Point	251°C
Color	<25	APHA
Content	>99.7%	Assay
	0.008-0.015%	Hydrolyzable chlorides
	18.5-20.5%	2,6-Isomer ratio
	79.5-81.5%	2,4-Isomer ratio
Crystallization	13°C

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PCOVEST0921 / 202704

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