Chemicals Polymer

China Flame Resistant MDI Polyurethane Raw Material 31.5% NCO for Rigid Foam Insulation for sale

Flame Resistant MDI Polyurethane Raw Material 31.5% NCO for Rigid Foam Insulation

Name: Flame Resistant MDI Polyurethane Raw Material 31.5% NCO for Rigid Foam Insulation
Brand: Vida New Material Technology Co., Ltd.

Desmodur 44V20L is a dark-brown liquid MDI blend with 30.5-32.5% NCO content and 160-240 mPa.s viscosity. Ideal for rigid polyurethane foam production. Offers excellent flame resistance, thermal stability, and moisture-tight packaging. Custom options available.

Origin China

Molecular Weight Varies, typically 400-3000 g/mol

Customization Available | Customized Request

HS Code 3909310000

Trademark Covestro, Kumho Mitsui

Cas No 9016-87-9

insulation resistance meter heat resistant material insulation resistance tester

Product Description

General Properties and Applications Desmodur ® 44V20L is a dark-brown, liquid blend of diphenylmethane-4,4'-diisocyanate (MDI) with isomer and homologues of

higher functionality. It is used in conjunction with polyols to produce rigid polyurethanes foam.

Sampling

Moisture access must be prevented when taking product samples

Specification property	Value	Unit of measurement	Method
NCO content	30.50-32.50	% by wt.	MDI-01-01
Viscosity at 25ºC	160.0-240.0	mPa.s	MDI-01-02
Acidity(HCL)	≤ 200	mg/kg	MDI-01-03

Other Data Property	Value	Unit of measurement	Method
Density at 20ºC	approx. 1.2.3	g/cm3	DIN51757
Phenyl Isocyanate content	≤50	ppm	2011-0489801-95
Specific Heat(cp)	approx.1.51	kJ/kg.K
Coefficient of thermal expansion	6.59X10-4	K-1

*These values provide general information and are not part of the product specification

Packaging Drums,IBCs,tank containers and tank wagons
Storage Recommended storage temperature:+10 to +30ºC, storage stability(ex works): 6 months if stored in moisture-tight drums