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Highly reactive aliphatic polyol-based pre-polymer system for enhanced curing kinetics.
Excellent UV resistance and weatherability, minimizing yellowing and gloss loss over time.
Low viscosity formulation enabling easy mixing, degassing, and high-fidelity casting or coating application.
Superior mechanical properties including abrasion resistance, flexibility, and impact resilience.
Compatible with common isocyanate hardeners and standard catalysts used in industrial PU systems.
High-performance protective coatings for automotive trim and exterior plastic components.
Transparent topcoats for architectural concrete and decorative terrazzo surfaces.
Flexible encapsulants for LED modules and electronic assemblies requiring thermal cycling stability.
Cast elastomer formulations for industrial rollers, seals, and precision gaskets.
UV-stable clear finishes for premium wood flooring and furniture refinishing systems.
| Chemical Type | Aliphatic polyether polyol-based pre-polymer |
| Product Form | Clear, viscous liquid |
| Appearance | Colorless to pale yellow, homogeneous |
| Primary Applications | Coatings, cast elastomers, encapsulants, adhesives |
| Key Features | UV-stable, low-yellowing, flexible, solvent-free option available |
| Storage Conditions | Store in original sealed container at 15–25°C; protect from moisture |
| Shelf Life | 12 months from production date under recommended storage |
| Compliance | RoHS compliant; meets REACH SVHC criteria (as of latest update) |
Q1: What is the primary function of Arakawa AL-600 in polyurethane formulations?
A: Arakawa AL-600 is a reactive polyurethane resin designed to serve as a crosslinking agent or chain extender, enhancing film hardness, chemical resistance, and mechanical durability in two-component PU systems.
Q2: Is AL-600 compatible with both aromatic and aliphatic isocyanate components?
A: Yes, AL-600 exhibits broad compatibility with common aromatic and aliphatic isocyanates, including HDI- and IPDI-based prepolymers, supporting flexibility in formulating for performance-critical coatings and adhesives.
Q3: How should AL-600 be stored to maintain optimal reactivity and shelf life?
A: Store in tightly sealed original containers under dry, cool conditions (below 30°C) and protected from moisture, direct sunlight, and ambient humidity—exposure to water may cause premature gelation or viscosity increase.
Q4: Can AL-600 be used in solvent-free or high-solids PU systems?
A: Yes, its low volatility and controlled reactivity make AL-600 suitable for solvent-free, high-solids, and low-VOC polyurethane formulations commonly used in industrial coatings and flooring applications.
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