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Excellent elasticity and recovery performance at room temperature
Good processability via injection molding and extrusion
Non-toxic, halogen-free, and compliant with RoHS and REACH directives
Superior adhesion to polypropylene (PP) and polyethylene (PE) substrates
Enhanced weather resistance and UV stability for outdoor applications
Soft-touch overmolding for automotive interior components
Sealing profiles and gaskets in building & construction
Flexible grips and ergonomic handles for power tools and appliances
Consumer electronics casings and protective sleeves
Medical device housings requiring skin-contact safety
| Chemical Type | Thermoplastic Elastomer (TPE), SEBS-based |
| Product Form | Pellets |
| Appearance | Off-white to light beige, free-flowing granules |
| Hardness (Shore A) | 65 ± 3 |
| Melt Flow Rate (200°C/5 kg) | 18–22 g/10 min |
| Density | 0.90–0.92 g/cm³ |
| Primary Applications | Overmolding, sealing, soft-touch components |
| Key Features | Elasticity, PP/PE adhesion, processing versatility |
Q1: What is Kaiyin TPE 211 primarily used for?
A: Kaiyin TPE 211 is a thermoplastic elastomer modifier designed to enhance flexibility, impact resistance, and processability in rigid polymer blends—especially polypropylene (PP) and polyethylene (PE) systems. It is commonly applied in automotive interior parts, consumer goods housings, and flexible packaging layers where balanced stiffness and soft-touch performance are required.
Q2: Is Kaiyin TPE 211 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 low melt viscosity allow for smooth flow and good dispersion without requiring specialized equipment or major process adjustments.
Q3: How should Kaiyin TPE 211 be incorporated into a base polymer formulation?
A: It is typically introduced via dry blending or side-feeding prior to extrusion compounding. Dosage depends on the desired balance of flexibility and rigidity but generally ranges from 0.1% to 2% by weight in PP-based systems. Uniform dispersion is critical and can be optimized using standard twin-screw extruder parameters.
Q4: Does Kaiyin TPE 211 require drying before processing?
A: While not highly hygroscopic, it is recommended to condition Kaiyin TPE 211 at 60–70 °C for 2–4 hours prior to high-precision or moisture-sensitive applications—particularly when co-processing with engineering resins prone to hydrolysis.
Q5: Can Kaiyin TPE 211 contribute to recyclability in multi-material systems?
A: Yes—it is compatible with mechanical recycling streams of polyolefins and does not significantly hinder reprocessing stability when present at typical use levels. Its thermoplastic nature supports repeated melting and solidification without irreversible degradation.
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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
