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Email:sales@moutainchem.com
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Address:No.258 Ban Ting road, Song Jiang district, Shanghai
Email:sales@moutainchem.com
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Product details
Introduction
Polymeric Isocyanate (MT-44V20), also known as Desmodur 44V20. is a versatile polymeric isocyanate used in the formulation of high-performance polyurethane systems. This article explores its properties, applications, safety considerations, and regulatory frameworks.
Properties of Polymeric Isocyanate (MT-44V20)
| Property | Value |
|---|---|
| Chemical Type | Polymeric Isocyanate |
| Appearance | Dark brown liquid |
| NCO Content | 30.5-32.0% |
| Viscosity at 25°C | 150-250 mPa·s |
| Density at 25°C | 1.220-1.250 g/cm³ |
| Acid Content | ≤0.05% (as HCl) |
| Water Solubility | Insoluble in water |
| Flash Point | Not specified |
| Odor | Characteristic odor |
Applications of Polymeric Isocyanate (MT-44V20)
Polyurethane Rigid Foams: Widely used in the manufacture of polyurethane rigid foam insulation materials.
Isocyanurate Foams: Used in the production of isocyanurate foams for insulation and structural applications.
Coatings and Adhesives: Used in the formulation of high-performance coatings and adhesives.
Sealants and Elastomers: Used in the production of polyurethane sealants and elastomers.
Building Materials: Used in the manufacture of building materials, such as insulation panels and structural foams.
Comparison of Polymeric Isocyanate (MT-44V20) with Alternatives
| Application | Polymeric Isocyanate (MT-44V20) | Alternatives |
|---|---|---|
| Polyurethane Rigid Foams | High NCO content, excellent adhesion | Traditional MDI-based isocyanates |
| Isocyanurate Foams | High functionality, good thermal stability | TDI-based isocyanates |
| Coatings and Adhesives | High performance, versatility | Epoxy resins |
| Sealants and Elastomers | Strong bonding, durability | Silicone sealants |
| Building Materials | High insulation, structural integrity | Expanded polystyrene (EPS) |
Safety Considerations
Handling Precautions: Protective measures should be taken, such as wearing appropriate protective equipment and operating in a well-ventilated environment.
Storage: Store in a cool, dry, and properly ventilated area free from direct sunlight.
Regulatory Frameworks
Industry Standards: Complies with global safety and quality standards for industrial chemicals.
Environmental Compliance: Meets regulatory requirements for low VOC (volatile organic compound) emissions.
Market Feedback
Polymeric Isocyanate (MT-44V20) has received positive feedback for its effectiveness in enhancing the performance of polyurethane systems. Its unique properties make it a popular choice for manufacturers in the fields of insulation materials, coatings, and adhesives.
Conclusion
Polymeric Isocyanate (MT-44V20) stands out as a versatile and high-performance isocyanate with a wide range of applications in various industrial sectors. It offers reliable solutions for enhancing the performance, durability, and environmental compliance of polyurethane systems.
Previous post:Hydrophilic aliphatic polyisocyanate (MT 307/1)
Next chapter:polyester poly (MT670 BAC)
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Address:No.258 Ban Ting road, Song Jiang district, Shanghai