Lupranate M20S Polymeric MDI Isocyanate - 31.5% NCO Content, 200 cps Viscosity for PU Foam Applications
Price:
Negotiable
MOQ:
1000 kg
Delivery Time:
Peak Season Lead Time: within 15 workdays, Off Season Lead Time: within 15 workdays
Product Description
Product Overview
Lupranate® M20S is a high-performance polymeric MDI (methylene diphenyl diisocyanate) with a functionality of approximately 2.7. This two-component polyurethane isocyanate is engineered for industrial applications requiring reliable chemical performance and versatile processing capabilities.
Applications
- Rigid insulation foams via molding, spraying, and frothing processes
- Rigid and semi-flexible integral skin foams
- High-resiliency flexible foams
- Industrial adhesives and sealants
- Polyurethane elastomers
Technical Specifications
| Parameter | Value |
|---|---|
| Appearance | Dark brown liquid |
| NCO Content | 31.5 wt.% |
| Viscosity @ 25°C | 200 cps |
| Hydrolyzable Chlorine | 0.035 wt.% |
| Flash Point (COC) | 200°C |
| Density @ 25°C | 1.23 g/cm³ |
| Initial Boiling Point (5 mm Hg) | 190°C |
| Vapor Pressure @ 25°C | 0.0002 mm Hg |
Processing Advantages
In low-catalyzed rigid urethane formulations, Lupranate M20S extends foam rise time by 20-30%, providing enhanced processing control for large rigid foam panels and molded flexible foam applications.
Storage & Handling
Packaging
Available in tank cars, tank trucks, and industrial drums.
Storage Conditions
- Optimal temperature range: 15-35°C
- Exclude moisture from opened containers
- Viscosity increases at higher temperatures or with moisture exposure
- Pumping difficulties below 15°C
- Crystallization risk below 0°C
Shelf Life
Six months when stored at 15-35°C with proper moisture exclusion.
Safety Notice: These products are used to prepare various polyurethane materials. Polyurethanes are organic materials and must be considered combustible. Follow all safety protocols during handling and processing.
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Company
Vida New Material Technology Co., Ltd.
Location
Room 305, No. 9 Building, No. 16299 Puwei Road, Shanghai, China
Contact Person
David