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Excellent soft-touch feel with balanced elasticity and low compression set.
Good processability on standard injection molding and extrusion equipment.
Enhanced compatibility with polypropylene (PP) and polyethylene (PE) substrates for overmolding.
RoHS-compliant formulation with no added phthalates or heavy metals.
Stable color retention and UV resistance suitable for indoor and semi-outdoor applications.
Soft-grip overmolding for power tools and hand-held appliances.
Ergonomic components in medical devices and diagnostic equipment.
Sealing rings and gaskets for household appliances and fluid-handling systems.
Flexible hinges and snap-fit parts in consumer electronics enclosures.
Non-slip grips for automotive interior trim and control knobs.
| Chemical Type | Thermoplastic Elastomer (TPE), SEBS-based |
| Product Form | Pellets, free-flowing |
| Appearance | Off-white to light beige, uniform granules |
| Primary Applications | Overmolding, soft-touch components, sealing elements |
| Key Features | Good adhesion to PP/PE, low odor, recyclable |
| Processing Temperature Range | 180–220 °C (injection molding) |
| Density (ASTM D792) | 0.90–0.92 g/cm³ |
| Shore A Hardness (ASTM D2240) | 85 ± 3 |
Q1: What is Kaiyin TPE 299W primarily used for?
A: Kaiyin TPE 299W is a thermoplastic elastomer modifier designed to enhance flexibility, resilience, and processability in rigid thermoplastic compounds—especially polypropylene (PP) and polyethylene (PE) blends. It is commonly applied in soft-touch overmolding, automotive interior parts, consumer product grips, and flexible packaging components.
Q2: Is Kaiyin TPE 299W 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 and melt flow characteristics support efficient processing without significant degradation under typical operating conditions.
Q3: How should Kaiyin TPE 299W be incorporated into a compound?
A: It is typically added as a masterbatch or dry-blended directly with the base resin prior to melting. Dosage depends on formulation requirements but generally ranges from 0.1% to 2% by weight to achieve desired softness and impact performance without compromising structural integrity.
Q4: Does Kaiyin TPE 299W 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.
Q5: Can Kaiyin TPE 299W contribute to recyclability of finished parts?
A: Yes—being a thermoplastic elastomer, it maintains compatibility with mechanical recycling streams of its primary host resins (e.g., PP), supporting post-industrial regrind reuse without introducing cross-polymer contamination concerns.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
