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Excellent soft-touch feel with Shore A hardness of 35–40, ideal for ergonomic and skin-contact applications.
Superior processability via injection molding and extrusion, with low melt viscosity and minimal thermal degradation.
Good resistance to UV exposure and long-term thermal aging up to 70 °C.
Halogen-free formulation compliant with RoHS and REACH directives.
Strong adhesion to polypropylene (PP) and polyethylene (PE) substrates without primers.
Overmolded grips for power tools and hand-held consumer electronics.
Soft-touch automotive interior components including gear shift knobs and door armrests.
Sealing profiles and gaskets for household appliances and HVAC systems.
Flexible tubing and connectors in fluid handling systems requiring chemical inertness.
Ergonomic medical device housings and non-invasive patient interface components.
| Chemical Type | Thermoplastic Elastomer (TPE), SEBS-based |
| Product Form | Pellets, free-flowing, standard 3–4 mm diameter |
| Appearance | Off-white to light beige, translucent to semi-opaque |
| Shore A Hardness | 35–40 (ASTM D2240) |
| Density | 0.90–0.92 g/cm³ (ASTM D792) |
| Melt Flow Rate (200 °C/5 kg) | 18–22 g/10 min (ASTM D1238) |
| Continuous Use Temperature | −40 °C to +70 °C |
| Compliance | RoHS 2015/863/EU, REACH SVHC-free, FDA extractables tested |
Q1: What is the primary function of Teelorex MD-320 TPE in thermoplastic elastomer formulations?
A: Teelorex MD-320 TPE is a functional additive designed to enhance melt processability and improve surface finish in TPE compounds, particularly during extrusion and injection molding. It helps reduce die buildup and supports consistent flow behavior without compromising mechanical integrity.
Q2: Is Teelorex MD-320 TPE compatible with common TPE base polymers such as SEBS, TPE-S, and TPO blends?
A: Yes, Teelorex MD-320 TPE demonstrates broad compatibility with styrenic block copolymers (e.g., SEBS), thermoplastic vulcanizates (TPVs), and polyolefin-based TPEs. Compatibility should be verified under actual processing conditions due to formulation-specific interactions.
Q3: How is Teelorex MD-320 TPE typically incorporated into TPE masterbatches or final compounds?
A: It is generally introduced during compounding—either pre-mixed with base polymer or fed directly into the extruder feed throat. Dosage depends on formulation requirements but typically ranges from 0.1% to 2% by weight for optimal performance.
Q4: Does Teelorex MD-320 TPE affect the thermal stability or long-term aging behavior of TPE products?
A: When used within recommended dosage levels, Teelorex MD-320 TPE does not negatively impact thermal stability or accelerate oxidative degradation. Its molecular structure is engineered to remain inert under standard TPE processing temperatures and service conditions.
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E-mail: wangxingqiang@ericwchem.com
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