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Excellent soft-touch feel with balanced hardness (Shore A 40) for ergonomic and aesthetic design.
Good processability via injection molding and extrusion, enabling high-volume production with minimal tool wear.
Enhanced thermal stability and low-temperature flexibility down to –40 °C.
Compatible with polypropylene (PP) and polyethylene (PE) substrates for overmolding applications.
Halogen-free formulation meeting RoHS and REACH compliance requirements.
Automotive interior trim components including door panels, armrests, and gear knobs.
Consumer electronics housings and protective grips for power tools and small appliances.
Medical device grips and non-sterile wearable component overmolds.
Household appliance seals, gaskets, and soft-touch control interfaces.
Industrial equipment handles and user-interface elements requiring tactile feedback and durability.
| Chemical Type | Thermoplastic Elastomer (TPE) — Styrenic Block Copolymer (SBC)-based |
| Product Form | Pellets |
| Appearance | Off-white, free-flowing granules |
| Shore Hardness (A) | 40 ± 3 |
| Melt Flow Rate (230 °C / 2.16 kg) | 18–22 g/10 min |
| Density | 0.90–0.92 g/cm³ |
| Key Features | Soft-touch surface, PP/PE adhesion, halogen-free, recyclable |
| Primary Applications | Overmolding, soft-grip components, non-structural elastomeric parts |
Q1: What is the primary polymer composition of Hyundai EP5040DN/1002 TPE?
A: Hyundai EP5040DN/1002 TPE is a thermoplastic elastomer based on a styrenic block copolymer (SBC) architecture, combining polystyrene end blocks with mid-blocks of hydrogenated polydiene—providing balanced elasticity, melt processability, and surface tack control.
Q2: Is this grade suitable for overmolding onto polypropylene (PP) or polyethylene (PE) substrates?
A: Yes—EP5040DN/1002 is specifically formulated to achieve good interfacial adhesion with semi-crystalline polyolefins such as PP and PE when processed under standard injection overmolding conditions, without requiring pre-treatment or adhesive primers.
Q3: What are the recommended drying conditions prior to processing?
A: To ensure optimal melt stability and part quality, it is recommended to dry EP5040DN/1002 at 70–80 °C for 2–4 hours using desiccant-assisted air circulation. Extended drying beyond 6 hours is not advised due to potential thermal aging of the elastomeric phase.
Q4: Can this TPE be used in applications requiring skin contact or consumer product soft-touch surfaces?
A: Yes—EP5040DN/1002 exhibits low extractables and a smooth, non-sticky surface finish after molding, making it suitable for soft-touch components in consumer goods, personal care devices, and handheld industrial tools where tactile performance and aesthetic consistency are critical.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
