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Excellent elasticity and resilience for repeated compression cycles without permanent deformation.
Good processability via injection molding, extrusion, and overmolding onto PP, ABS, and PS substrates.
Low-temperature flexibility down to −40 °C with retained tensile strength and elongation.
Halogen-free formulation compliant with RoHS and REACH directives.
Soft-touch surface finish with adjustable hardness (Shore A 60–90 range available).
Automotive interior components: door trims, gear knobs, and dashboard seals.
Consumer electronics: protective cases, grips for power tools, and wearable device bands.
Household appliances: sealing gaskets, soft buttons, and ergonomic handles.
Medical device accessories: non-slip grips for diagnostic equipment and disposable instrument housings.
Packaging: tamper-evident closures and flexible dispensing nozzles.
| Chemical Type | Thermoplastic Elastomer (TPE), Styrenic Block Copolymer (SBC)-based |
| Product Form | Natural granules, free-flowing, uniform particle size |
| Appearance | Translucent to opaque, beige or natural color (custom colors available) |
| Hardness (Shore A) | 75 ± 3 (standard grade) |
| Tensile Strength | ≈12 MPa (ASTM D412) |
| Elongation at Break | ≈450% (ASTM D412) |
| Specific Gravity | 0.90–0.92 (ASTM D792) |
| Melt Flow Index (200 °C/5 kg) | 18–22 g/10 min (ASTM D1238) |
Q1: What is Kaiyin TPE 200 primarily used for?
A: Kaiyin TPE 200 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 films, and elastic components for automotive interiors and consumer goods.
Q2: Is Kaiyin TPE 200 compatible with polypropylene (PP) and polyethylene (PE)?
A: Yes—it exhibits good compatibility with both homopolymer and copolymer PP, as well as LDPE and HDPE matrices. Optimal dispersion is typically achieved through conventional melt compounding processes such as twin-screw extrusion.
Q3: How should Kaiyin TPE 200 be processed?
A: It can be processed using standard thermoplastic equipment including extruders, injection molding machines, and blow molding systems. Recommended processing temperatures generally range between 160 °C and 210 °C, depending on base resin and equipment configuration.
Q4: Does Kaiyin TPE 200 require drying before processing?
A: While it is not highly hygroscopic, pre-drying at 60–80 °C for 2–4 hours is recommended to ensure consistent melt behavior and avoid surface defects—especially in high-precision or moisture-sensitive applications.
Q5: What are typical dosage levels of Kaiyin TPE 200 in formulations?
A: Dosage depends on the desired balance of elasticity and rigidity, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight in PP/PE blends for improved toughness, or up to 15–30% in dedicated TPE compounds where softness and recovery are critical.
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