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PES Industrial Hot Melt Adhesive Granules Wind Turbine Blade Structural Bonding Adhesive
| Place of Origin | China |
| Brand Name | JCC |
| Certification | Oeko-tex Certificate, ISO, ZDHC |
| Model Number | JCC-PES 3115 |
| Document | PES HOT MELT GRANULE 3115.pdf |
PES Industrial Hot Melt Adhesive
,Thermoplastic Industrial Hot Melt Adhesive
,Thermoplastic structural bonding adhesive
| Attribute | Value |
|---|---|
| Material | Copolyester PES |
| Form | Hot Melt |
| Type | Thermoplastic |
| Appearance | White granule |
| Chemical Resistance | Good |
| Viscosity | High |
| Heat Resistance | Excellent |
| Application Temperature | 150-180°C |
| Solvent Free | Yes |
PES (Polyester) hot melt adhesive granules are high-performance thermoplastic bonding materials engineered for demanding structural applications. In the field of wind energy, they are increasingly used in the structural bonding of wind turbine blades, where long-term durability, thermal stability, and environmental resistance are critical.
| Typical Value | Range | Test Standard |
|---|---|---|
| White Granule | ||
| Co-polyester | ||
| 1.22 | 1.20~1.23 | GB/T 13354-1992 |
| 210000 | 200000~220000 | GB/T 2794-1995 |
| 27500 | 27000~30000 | GB/T 2794-1995 |
| 30 | 27~33 | 160℃ |
- Melting Temperature: 200°C - 240°C
- Application Methods: Hot melt extrusion, bead dispensing, slot die coating
- Open Time: Adjustable depending on granule formulation, typically 30-180 seconds
- Substrate Prep: Clean, dry surfaces; light abrasion or plasma treatment can enhance bond strength
- High Temperature Resistance: Maintains structural integrity under elevated temperatures during blade operation and environmental exposure.
- Strong Mechanical Bonding: Offers excellent adhesion to composite materials commonly used in blade manufacturing.
- Fatigue Resistance: Withstands dynamic stress and vibration over long operational lifespans.
- Low Shrinkage: Ensures dimensional stability and uniform stress distribution across bonded interfaces.
- Solvent-Free & Low VOC: Environmentally friendly and safe for manufacturing environments.
- Reprocessability: Thermoplastic nature allows for rework or repair under heat.
PES offers faster processing, less curing time, and thermoplastic flexibility, enabling quicker production cycles and easier rework or repairs compared to traditional two-component epoxies.
Yes, PES bonds well with composite substrates including fiberglass, carbon fiber, epoxy prepregs, and foam cores.
Absolutely. PES granules offer excellent UV resistance, hydrolysis resistance, and thermal aging performance, essential for outdoor, long-lifespan structures like wind turbine blades.
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