Hydrophilic aliphatic polyisocyanate (MT 307/1)

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Introduction

Hydrophilic Aliphatic Polyisocyanate (MT 307/1) is a versatile crosslinking agent used in the formulation of high-performance, waterborne polyurethane systems. This article explores its properties, applications, safety considerations, and regulatory frameworks.

Properties of Hydrophilic Aliphatic Polyisocyanate (MT 307/1)

Property	Value
Chemical Type	Hydrophilic Aliphatic Polyisocyanate
Solids Content	100%
Viscosity at 23°C	Approx. 6.000 mPa·s
NCO Content	Approx. 20.3%
Monomeric HDI	< 0.10%
Density at 20°C	Approx. 1.16 g/cm³
Color Value (Hazen)	≤ 60
Flash Point	Approx. 211°C
Solubility	Compatible with organic solvents such as esters or ethers

Applications of Hydrophilic Aliphatic Polyisocyanate (MT 307/1)

Two-Component Coatings: Acts as a crosslinking agent in waterborne two-component polyurethane systems, providing high chemical resistance and reliable adhesion.

Automotive Coatings: Used in automotive OEM and refinish coatings for high gloss and low haze.

General Industrial Coatings: Suitable for coatings in general industry applications, including wood and transportation.

Construction Coatings: Used in construction coatings for its excellent adhesion and water resistance.

Adhesives: Enhances the performance of adhesive systems by providing strong bonding and durability.

Comparison of Hydrophilic Aliphatic Polyisocyanate (MT 307/1) with Alternatives

Application	Hydrophilic Aliphatic Polyisocyanate (MT 307/1)	Alternatives
Two-Component Coatings	High chemical resistance, reliable adhesion	Traditional solvent-based polyisocyanates
Automotive Coatings	High gloss, low haze	Aromatic polyisocyanates
General Industrial Coatings	Excellent adhesion, water resistance	Polyester resins
Construction Coatings	Strong bonding, durability	Epoxy resins
Adhesives	High performance, versatility	Polyurethane adhesives

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 tightly closed original containers at 5-40°C. Shelf life is 6 months from the delivery date.

Regulatory Frameworks

Industry Standards: Complies with global safety and quality standards for industrial coatings.

Environmental Compliance: Meets regulatory requirements for low VOC (volatile organic compound) emissions.

Market Feedback

Hydrophilic Aliphatic Polyisocyanate (MT 307/1) has received positive feedback for its effectiveness in enhancing the performance of waterborne polyurethane systems. Its unique properties make it a popular choice for manufacturers in the fields of automotive, industrial, and construction coatings.

Conclusion

Hydrophilic Aliphatic Polyisocyanate (MT 307/1) stands out as a versatile and high-performance crosslinking agent with a wide range of applications in various industrial sectors. It offers reliable solutions for enhancing coating performance, durability, and environmental compliance.

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