Modified MDI Kumho Mitsui LL

Overview

Kumho Mitsui Cosmonate LL is a carbodiimide-modified MDI made in South Korea. It is a clear, light yellow, low-viscosity liquid that stays liquid at normal storage temperatures.

Also known as

Cosmonate LL; Carbodiimide-modified MDI; Liquid MDI

CAS number

101-68-8 (4,4′-MDI, main component)

Molecular formula

C15H10N2O2 (4,4′-MDI, main component)

Specifications

Test items	Specifications
Appearance	Clear, light yellow liquid
Color (APHA)	≤80
NCO content /wt%	29.1 (average)
Hydrolyzable chloride /ppm	<30
Viscosity (25°C) /mPa·s	40±20
Density /(g/cm³)	1.22

Applications

• Microcellular elastomers and prepolymers
• Shoe soles, automotive parts and bumpers
• Integral-skin, high-resilience and viscoelastic foams
• Coatings and adhesives

Packaging

250 kg/drum.

Storage

Store in tightly sealed containers in a dry, well-ventilated room at 15–35 ℃. Protect from moisture, which reacts with isocyanates; handle with suitable protective equipment.