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HS Code |
615474 |
| Product Name | Desmodur ultra N 3689 SN |
| Chemical Type | Polyisocyanate Crosslinker |
| Appearance | Clear, colorless to pale yellow liquid |
| Isocyanate Content | Approximately 19.7% (NCO) |
| Viscosity 23c | 1200 mPa·s |
| Density 20c | 1.16 g/cm³ |
| Flash Point | Approximately 48°C |
| Solvent | Ethyl acetate |
| Equivalent Weight Nco | 213 g/mol |
| Storage Temperature | 5°C to 30°C |
| Recommended Use | Crosslinker for polyurethane coatings |
| Shelf Life | 6 months |
As an accredited Desmodur ultra N 3689 SN Polyisocyanate Crosslinker factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Desmodur ultra N 3689 SN Polyisocyanate Crosslinker is packaged in 25 kg steel drums, labeled with product and hazard information. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): 80 drums (225 kg each) per 20-foot container, with a total net weight of 18,000 kg. |
| Shipping | **Shipping Description for Desmodur® ultra N 3689 SN Polyisocyanate Crosslinker:** Desmodur® ultra N 3689 SN Polyisocyanate Crosslinker is shipped in tightly sealed, chemical-resistant containers. The material requires storage in cool, dry, well-ventilated areas away from moisture and incompatible substances. Handle as a hazardous chemical, following all safety protocols and regulations for isocyanates during transportation and storage. |
| Storage | Store Desmodur ultra N 3689 SN Polyisocyanate Crosslinker in tightly sealed containers in a cool, dry, and well-ventilated area, away from moisture, acids, amines, and direct sunlight. Protect from sources of heat and ignition. Maintain storage temperatures between 5°C and 30°C. Keep away from incompatible materials, and ensure proper labeling and access for authorized personnel only. |
| Shelf Life | Desmodur ultra N 3689 SN Polyisocyanate Crosslinker has a shelf life of 12 months if stored in tightly sealed, original containers. |
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Purity 99%: Desmodur ultra N 3689 SN Polyisocyanate Crosslinker with purity 99% is used in automotive OEM coatings, where it ensures high gloss retention and superior chemical resistance. Viscosity 200 mPa·s: Desmodur ultra N 3689 SN Polyisocyanate Crosslinker at viscosity 200 mPa·s is used in wood finishes, where it provides excellent flow characteristics and smooth surface appearance. NCO Content 23%: Desmodur ultra N 3689 SN Polyisocyanate Crosslinker with NCO content 23% is used in industrial metal coatings, where it enables rapid curing and enhanced mechanical strength. Stability Temperature 50°C: Desmodur ultra N 3689 SN Polyisocyanate Crosslinker with stability temperature 50°C is used in high-performance plastic coatings, where it maintains formulation integrity during storage and processing. Low Monomer Content <0.1%: Desmodur ultra N 3689 SN Polyisocyanate Crosslinker with low monomer content <0.1% is used in protective architectural coatings, where it minimizes VOC emissions and improves user safety. Clear Liquid State: Desmodur ultra N 3689 SN Polyisocyanate Crosslinker in clear liquid state is used in transparent polyurethane topcoats, where it ensures clarity and UV resistance. |
Competitive Desmodur ultra N 3689 SN 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.
We will respond to you as soon as possible.
Tel: +8615651039172
Email: sales9@bouling-chem.com
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