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Thermoplastic elastomer (TPE) based on SEBS polymer architecture for balanced elasticity and processability.
Excellent soft-touch feel with邵氏 A hardness of ~25–30, ideal for ergonomic overmolding applications.
Good thermal stability up to 140 °C short-term, supporting standard injection molding and extrusion processes.
Low extractables and compliant with FDA 21 CFR §177.2600 for food-contact-adjacent applications.
Readily bondable to polypropylene (PP) and polyethylene (PE) substrates without primer or adhesive.
Soft-grip overmolding for power tools, garden equipment, and hand-held industrial devices.
Sealing components and gaskets in automotive interior trim and HVAC systems.
Consumer product grips for kitchen appliances, personal care devices, and medical handheld instruments.
Flexible tubing and bellows in low-pressure fluid handling applications.
| Chemical Type | SEBS-based thermoplastic elastomer |
| Product Form | Pellets (free-flowing, cylindrical) |
| Appearance | Off-white to light beige, semi-translucent |
| Shore A Hardness (ASTM D2240) | 27 ± 3 |
| Melt Flow Rate (230 °C / 2.16 kg, ASTM D1238) | 12–16 g/10 min |
| Density (ASTM D792) | 0.90–0.92 g/cm³ |
| Continuous Use Temperature Range | −40 °C to +70 °C |
| Primary Applications | Overmolding, soft-touch grips, sealing elements, flexible components |
Q1: What is the primary function of SK EP1025NM/1002 TPE in polymer formulations?
A: SK EP1025NM/1002 TPE is a thermoplastic elastomer modifier designed to enhance flexibility, impact resistance, and melt processability—particularly in polyolefin- and styrenic-based systems. It functions as a compatibilizing and toughening agent without compromising thermal stability during extrusion or injection molding.
Q2: Is SK EP1025NM/1002 TPE suitable for food-contact applications?
A: SK EP1025NM/1002 TPE is formulated without intentionally added heavy metals or restricted phthalates. While it may be incorporated into food-contact-compliant compounds, final regulatory compliance depends on the full formulation, processing conditions, and end-use requirements—validation must be performed by the compounder or end user per applicable regional regulations.
Q3: How should SK EP1025NM/1002 TPE be dried prior to processing?
A: This TPE exhibits low hygroscopicity but benefits from standard pre-drying at 60–70 °C for 2–4 hours to ensure optimal melt consistency and surface quality—especially in high-precision or thin-wall applications where moisture-induced defects must be avoided.
Q4: Can SK EP1025NM/1002 TPE be used in overmolding applications?
A: Yes—it demonstrates good adhesion to common engineering thermoplastics such as PP, PS, and ABS when processed under appropriate temperature and mold surface energy conditions. Bond strength and interfacial integrity are optimized through controlled melt temperature, dwell time, and substrate preheating.
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