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Excellent compression set resistance for long-term sealing performance.
Outstanding low-temperature flexibility down to –50 °C.
Good processability on standard injection molding and extrusion equipment.
High elasticity and recovery after deformation.
Compatible with polypropylene (PP) and polyethylene (PE) for co-extrusion and overmolding.
Automotive interior trim seals and gaskets.
Soft-touch grips for power tools and consumer electronics.
Flexible profiles for window and door sealing systems.
Overmolded handles for household appliances and garden equipment.
Extruded tubing and weatherstripping for building and construction.
| Chemical Type | Thermoplastic Elastomer (TPE), PP-based |
| Product Form | Pellets |
| Appearance | Opaque, light beige granules |
| Hardness (Shore A) | 68 ± 3 |
| Density (g/cm³) | 0.90 ± 0.02 |
| Melt Flow Rate (230 °C / 2.16 kg) | 12–18 g/10 min |
| Continuous Use Temperature Range | –50 °C to +100 °C |
| Primary Processing Method | Injection Molding & Extrusion |
Q1: What is the primary function of Kraiburg HTO8402/68 TPE in thermoplastic elastomer formulations?
A: HTO8402/68 TPE is a high-performance thermoplastic elastomer designed to enhance melt processability and improve surface aesthetics in soft-touch overmolding applications, particularly where good flow behavior and low-temperature flexibility are required.
Q2: Is HTO8402/68 TPE suitable for overmolding onto polypropylene (PP) or polyethylene (PE) substrates?
A: Yes — it exhibits strong inherent adhesion to non-polar polyolefin substrates such as PP and PE without requiring primers or surface treatments, making it well-suited for two-shot molding and soft-grip applications in automotive and consumer goods.
Q3: How does HTO8402/68 TPE perform under repeated flexing or dynamic mechanical stress?
A: It demonstrates excellent fatigue resistance and long-term elasticity retention, maintaining structural integrity and surface quality even after extended cyclic deformation — a key advantage for seals, grips, and wearable components.
Q4: Can HTO8402/68 TPE be colored using standard masterbatches?
A: Yes — it is fully compatible with conventional polyolefin-based color masterbatches and can be uniformly pigmented without compromising its mechanical or processing properties.
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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
