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Excellent elasticity and recovery performance at room temperature.
Good processability via injection molding, extrusion, and overmolding.
Low compression set for long-term sealing and gasketing reliability.
RoHS-compliant formulation with no halogens or heavy metals.
Smooth surface finish and high gloss retention after processing.
Soft-touch grips for power tools and consumer electronics.
Seals and gaskets for automotive interior components.
Overmolded handles for kitchenware and personal care devices.
Ergonomic medical device housings and non-slip interfaces.
Flexible connectors and protective bumpers in industrial equipment.
| Chemical Type | Thermoplastic Elastomer (SEBS-based) |
| Product Form | Pellets |
| Appearance | Translucent, off-white granules |
| Hardness (Shore A) | 35 ± 3 |
| Melt Flow Rate (190°C/5 kg) | 12–18 g/10 min |
| Density | 0.90–0.92 g/cm³ |
| Processing Temperature Range | 160–200°C |
| Key Features | Elasticity, soft-touch feel, recyclability, easy coloring |
Q1: What is Kaiyin TPE 350T primarily used for?
A: Kaiyin TPE 350T is a thermoplastic elastomer modifier designed to enhance flexibility, impact resistance, and melt processability in polyolefin-based compounds—commonly applied in soft-touch overmolding, flexible packaging layers, and resilient industrial components.
Q2: Is Kaiyin TPE 350T compatible with PP and PE matrices?
A: Yes, it exhibits good compatibility with both homopolymer and copolymer polypropylene (PP) as well as high-density and linear low-density polyethylene (HDPE/LLDPE), enabling uniform dispersion without requiring additional compatibilizers in most standard formulations.
Q3: How is Kaiyin TPE 350T typically incorporated into a compound?
A: It is generally introduced during the compounding stage via twin-screw extrusion, either as pellets or pre-blended masterbatch. Dosage depends on formulation requirements but typically ranges from 0.1% to 2% by weight to achieve desired elasticity and toughness improvements.
Q4: Does Kaiyin TPE 350T require drying before processing?
A: While not highly hygroscopic, it is recommended to dry Kaiyin TPE 350T at 60–70 °C for 2–4 hours prior to high-precision or moisture-sensitive processing (e.g., thin-wall injection molding) to ensure optimal surface quality and mechanical consistency.
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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
