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Excellent elasticity and soft-touch feel with balanced tensile strength.
Good processability on standard injection molding and extrusion equipment.
RoHS-compliant formulation with no phthalates, heavy metals, or halogenated flame retardants.
Superior adhesion to polypropylene (PP) and polyethylene (PE) substrates without primer.
Stable performance across a wide service temperature range (–40 °C to +80 °C).
Soft-touch overmolding for automotive interior components (e.g., gear knobs, trim bezels).
Consumer electronics accessories including phone grips, stylus sleeves, and wearable device bands.
Household appliance grips and seals for kitchen tools, power tools, and personal care devices.
Medical device non-critical components requiring skin-safe, latex-free elastomeric properties.
Packaging closures and squeezable dispensers for cosmetics and household cleaners.
| Chemical Type | Thermoplastic Elastomer (TPE), SEBS-based |
| Product Form | Natural granules, free-flowing pellets |
| Appearance | Translucent, slightly hazy, uniform pellet size |
| Primary Applications | Overmolding, soft-touch parts, flexible seals & grips |
| Key Features | Elastic recovery, low compression set, PP/PE bonding capability |
| Benefits | Reduced assembly steps, recyclable processing, FDA-compliant options available |
| Density (g/cm³) | 0.90 ± 0.02 |
| Hardness (Shore A) | 30 ± 3 |
Q1: What is Kaiyin TPE 330 primarily used for?
A: Kaiyin TPE 330 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 330 compatible with common polyolefins like PP and PE?
A: Yes, it exhibits good compatibility with isotactic polypropylene (iPP), HDPE, and LDPE, enabling homogeneous dispersion without additional compatibilizers in most standard compounding processes.
Q3: How is Kaiyin TPE 330 typically incorporated into formulations?
A: It is generally introduced during twin-screw extrusion or high-shear batch mixing, typically used at low concentrations—dosage depends on formulation requirements but generally ranges from 0.1% to 2% by weight for targeted performance enhancement.
Q4: Does Kaiyin TPE 330 require special drying before processing?
A: While not highly hygroscopic, it is recommended to dry Kaiyin TPE 330 at 60–70 °C for 2–4 hours prior to high-temperature processing to ensure optimal melt stability and minimize surface defects.
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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
