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HS Code |
192690 |
| Product Name | Desmodur N 3900 Polyisocyanate Crosslinker |
| Chemical Type | Aliphatic hexamethylene diisocyanate (HDI) trimer |
| Appearance | Clear, colorless to pale yellow liquid |
| Solid Content | Approx. 90% |
| Viscosity 23c | 700 - 1300 mPa·s |
| Nco Content | Approx. 21.8% |
| Density 20c | 1.16 g/cm³ |
| Flash Point | Approx. 205°C (closed cup) |
| Solubility | Soluble in esters, ketones, and aromatic hydrocarbons |
| Storage Temperature | 5°C to 30°C |
| Voc Content | Low |
| Function | Crosslinker for 2-component polyurethane coatings |
| Recommended Mixing Ratio | 10-25% based on resin solids |
| Shelf Life | 6 months (in original sealed container) |
| Main Application | Automotive, industrial, and plastic coatings |
As an accredited Desmodur N 3900 Polyisocyanate Crosslinker factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Desmodur N 3900 Polyisocyanate Crosslinker is typically supplied in a 200 kg steel drum with secure, sealed closures. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): 80 drums (200 kg each) of Desmodur N 3900 Polyisocyanate Crosslinker, totaling 16,000 kg per container. |
| Shipping | Desmodur N 3900 Polyisocyanate Crosslinker is shipped in tightly sealed containers, typically drums or IBCs, under cool, dry conditions. It is classified as a hazardous material (UN 1866, Class 3); ensure compliant labelling and documentation. Avoid direct sunlight, moisture, and sources of ignition during transit. Handle with appropriate personal protective equipment. |
| Storage | Desmodur N 3900 Polyisocyanate Crosslinker should be stored in tightly closed containers, in a cool, dry, and well-ventilated area, away from heat, moisture, direct sunlight, and incompatible substances such as water, alcohols, and amines. Protect from freezing and avoid temperatures above 40°C. Always follow manufacturer’s safety guidelines and local regulations for chemical storage. |
| Shelf Life | Desmodur N 3900 Polyisocyanate Crosslinker typically has a shelf life of 12 months in unopened, original containers at recommended storage conditions. |
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Purity 99%: Desmodur N 3900 Polyisocyanate Crosslinker with purity 99% is used in high-performance automotive coatings, where superior chemical resistance and surface hardness are achieved. Low Viscosity: Desmodur N 3900 Polyisocyanate Crosslinker with low viscosity is used in spray-applied polyurethane systems, where easier processing and optimal film formation are ensured. Molecular Weight 850 g/mol: Desmodur N 3900 Polyisocyanate Crosslinker of molecular weight 850 g/mol is used in industrial wood finishes, where enhanced crosslink density and abrasion resistance result. Stability Temperature 40°C: Desmodur N 3900 Polyisocyanate Crosslinker stable up to 40°C is used in ambient-curing polyurethane adhesives, where formulation stability and shelf-life are extended. Free NCO Content 23%: Desmodur N 3900 Polyisocyanate Crosslinker with free NCO content of 23% is used in flexible packaging laminating inks, where rapid curing and excellent bond strengths are delivered. Color Value <2 Gardner: Desmodur N 3900 Polyisocyanate Crosslinker with color value under 2 Gardner is used in clear furniture topcoats, where high transparency and aesthetic finish are maintained. Hydrolysis Resistance: Desmodur N 3900 Polyisocyanate Crosslinker with hydrolysis resistance is used in exterior architectural coatings, where long-term durability against moisture exposure is provided. Solid Content 75%: Desmodur N 3900 Polyisocyanate Crosslinker of 75% solid content is used in VOC-compliant wood coatings, where high film-build and regulatory compliance are achieved. |
Competitive Desmodur N 3900 Polyisocyanate Crosslinker prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615651039172 or mail to sales9@bouling-chem.com.
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Tel: +8615651039172
Email: sales9@bouling-chem.com
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