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Excellent elasticity and soft-touch feel with邵氏A hardness of 50–55.
Good processability on standard injection molding and extrusion equipment.
Outstanding resistance to UV degradation and long-term thermal aging (up to 70°C continuous use).
Halogen-free formulation compliant with RoHS and REACH directives.
Strong adhesion to polypropylene (PP) and polyethylene (PE) without primer or surface treatment.
Soft-touch grips for power tools and hand-held appliances.
Overmolded seals and gaskets in automotive interior components.
Flexible hinges and living hinges in consumer electronics housings.
Ergonomic handles for medical devices and diagnostic instruments.
Sealing profiles for outdoor lighting enclosures and IP65-rated housings.
| Chemical Type | Thermoplastic Elastomer (TPE), SEBS-based |
| Product Form | Pellets |
| Appearance | Opaque, light beige granules |
| Shore A Hardness (ASTM D2240) | 52 ± 3 |
| Density (ASTM D792) | 0.91 g/cm³ |
| Melt Flow Rate (200°C/5 kg, ASTM D1238) | 12–16 g/10 min |
| Tensile Strength (ASTM D412) | 8–10 MPa |
| Primary Applications | Overmolding, soft-touch finishing, sealing components |
Q1: What is Kaiyin TPE 502 primarily used for?
A: Kaiyin TPE 502 is a thermoplastic elastomer modifier designed to enhance flexibility, impact resistance, and processability in rigid polymer systems—especially polypropylene (PP) and polyethylene (PE) compounds. It is commonly employed in automotive interior parts, consumer packaging, and soft-touch overmolding applications.
Q2: Is Kaiyin TPE 502 compatible with common processing methods?
A: Yes—it is fully compatible with standard thermoplastic processing techniques including injection molding, extrusion, and blow molding. Its thermal stability supports typical melt processing temperatures for PP- and PE-based systems without significant degradation or volatilization.
Q3: How is Kaiyin TPE 502 typically incorporated into formulations?
A: It is generally added as a masterbatch or dry-blended directly into the base resin prior to processing. Dosage depends on formulation requirements but typically ranges from 0.1% to 2% by weight to achieve desired softness and toughness improvements without compromising structural integrity.
Q4: Does Kaiyin TPE 502 require special drying before processing?
A: While not highly hygroscopic, it is recommended to store in a cool, dry environment and condition at 60–70 °C for 2–4 hours if exposed to high humidity—particularly when high surface quality or low moisture-sensitive applications are required.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
