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HS Code |
776531 |
| Product Name | Hafotex HF-4357 Solvent-Based Blocked Polyurethane Crosslinker |
| Chemical Type | Blocked Polyurethane Prepolymer |
| Form | Liquid |
| Base | Solvent-based |
| Appearance | Clear to slightly hazy liquid |
| Color | Pale yellow |
| Viscosity | 1500-3500 mPa.s (25°C) |
| Solid Content | 65-70% |
| Specific Gravity | 1.08-1.12 (25°C) |
| Flash Point | > 23°C |
| Solubility | Soluble in most organic solvents |
| Blocking Agent | Caprolactam |
| Unblocking Temperature | 120-140°C |
| Storage Stability | 12 months (in unopened container, cool and dry place) |
| Main Application | Crosslinker for polyurethane coatings, adhesives, and sealants |
As an accredited Hafotex HF-4357 Solvent-Based Blocked Polyurethane Crosslinker factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The Hafotex HF-4357 is packaged in a 25 kg metal drum, featuring chemical hazard labels and product details clearly printed. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Hafotex HF-4357: 16 metric tons per 20-foot container, sealed in 200 kg drums, solvent-based. |
| Shipping | Hafotex HF-4357 Solvent-Based Blocked Polyurethane Crosslinker is typically shipped in sealed, UN-approved containers (such as metal drums or pails) to ensure safe transport. It should be handled as a flammable liquid, kept away from ignition sources, and transported in compliance with relevant regulations (e.g., ADR, IMDG, IATA) for hazardous chemicals. |
| Storage | **Hafotex HF-4357 Solvent-Based Blocked Polyurethane Crosslinker** should be stored in tightly sealed containers, in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and moisture. Keep away from incompatible substances such as strong oxidizing agents. Recommended storage temperature is between 5°C and 35°C. Ensure proper labeling and avoid container damage to prevent leaks or spills. |
| Shelf Life | Shelf life of Hafotex HF-4357 is 12 months in unopened containers, stored in a cool, dry place below 25°C. |
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Purity 99%: Hafotex HF-4357 Solvent-Based Blocked Polyurethane Crosslinker with 99% purity is used in high-performance automotive coatings, where enhanced crosslinking density ensures superior scratch resistance. Viscosity 2000 mPa·s: Hafotex HF-4357 Solvent-Based Blocked Polyurethane Crosslinker with a viscosity of 2000 mPa·s is used in industrial protective paints, where optimal application flow achieves uniform film formation. Molecular Weight 4500 g/mol: Hafotex HF-4357 Solvent-Based Blocked Polyurethane Crosslinker with a molecular weight of 4500 g/mol is used in flexible furniture coatings, where it provides improved film elasticity and durability. Melting Point 97°C: Hafotex HF-4357 Solvent-Based Blocked Polyurethane Crosslinker with a melting point of 97°C is used in heat-cure wood finishes, where stable storage and controlled reactivity enable precise processing. Stability Temperature 50°C: Hafotex HF-4357 Solvent-Based Blocked Polyurethane Crosslinker with a stability temperature of 50°C is used in solventborne adhesive formulations, where high-temperature stability prevents premature crosslinker activation. Particle Size < 5 μm: Hafotex HF-4357 Solvent-Based Blocked Polyurethane Crosslinker with particle size below 5 μm is used in high-gloss plastic coatings, where excellent dispersion ensures a smooth, defect-free finish. NCO Content 13%: Hafotex HF-4357 Solvent-Based Blocked Polyurethane Crosslinker with an NCO content of 13% is used in two-component flooring systems, where the optimal isocyanate level delivers outstanding mechanical strength. |
Competitive Hafotex HF-4357 Solvent-Based Blocked Polyurethane 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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