Understanding HDI N3390: A Key Component for Light-Resistant PU Coatings
For manufacturers focused on producing high-performance, light-resistant two-component (2K) polyurethane (PU) coatings, understanding the role of key raw materials is crucial. Hexamethylene Diisocyanate (HDI) N3390 is a prominent example of an aliphatic polyisocyanate that serves as an excellent curing agent, imparting exceptional properties to finished coatings. NINGBO INNO PHARMCHEM CO.,LTD., a premier manufacturer and supplier in China, provides high-quality HDI N3390 and related products, essential for formulating durable and aesthetically pleasing PU coatings.
HDI N3390 is specifically valued for its ability to enhance the lightfastness and weather resistance of PU coatings. This means that coatings formulated with HDI N3390 are less prone to yellowing or degradation when exposed to UV radiation and environmental stresses. Such properties are highly desirable in applications like automotive paints, industrial equipment coatings, and architectural finishes, where maintaining visual appeal and protective function over time is paramount. By choosing to buy HDI N3390 from a reliable manufacturer, you ensure the integrity of your final product.
The versatility of HDI N3390 also extends to its excellent chemical resistance and mechanical properties. It can be diluted with various esters, ketones, and aromatic solvents, offering flexibility in formulation. When used as a curing agent with polyacrylates or polyester polyols, it helps create coatings with superior hardness, flexibility, and resistance to solvents and other chemicals. This makes it an ideal component for self-drying or baking systems used across diverse industries.
As a dedicated manufacturer and supplier in China, NINGBO INNO PHARMCHEM CO.,LTD. is committed to providing top-grade HDI N3390 and related aliphatic polyisocyanates. We ensure rigorous quality control and reliable supply chains. We invite you to contact us to learn more about HDI N3390, request samples for your formulations, and obtain competitive quotes. Partnering with us means accessing high-quality chemical intermediates to elevate the performance of your light-resistant PU coatings.
Perspectives & Insights
Molecule Vision 7
“The versatility of HDI N3390 also extends to its excellent chemical resistance and mechanical properties.”
Alpha Origin 24
“It can be diluted with various esters, ketones, and aromatic solvents, offering flexibility in formulation.”
Future Analyst X
“When used as a curing agent with polyacrylates or polyester polyols, it helps create coatings with superior hardness, flexibility, and resistance to solvents and other chemicals.”