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Excellent elasticity and soft-touch feel with balanced hardness (Shore A 75)
Good processability via injection molding and extrusion without pre-drying
Superior adhesion to polypropylene (PP) and polyethylene (PE) substrates
RoHS-compliant formulation with no added phthalates or heavy metals
Enhanced weather resistance and UV stability for outdoor applications
Overmolding of automotive interior trim components
Soft-grip handles for power tools and consumer appliances
Sealing rings and gaskets in household appliances
Flexible packaging closures and squeeze dispensers
Medical device grips and non-critical tactile interfaces
| Chemical Type | Thermoplastic Elastomer (TPE), PE-based |
| Product Form | Natural pellets, free-flowing |
| Appearance | Off-white, semi-crystalline granules |
| Shore Hardness (A) | 75 ± 2 |
| Melt Flow Rate (190°C/5 kg) | 12–16 g/10 min |
| Density | 0.89–0.91 g/cm³ |
| Key Features | PP/PE adhesion, low compression set, recyclable |
| Benefits | Reduced assembly steps, improved ergonomic performance, material compatibility with common polyolefins |
Q1: What is the primary function of Shanghai Taixiang 7514B-PE TPE in polymer formulations?
A: 7514B-PE TPE functions primarily as a compatibilizer and impact modifier in polyolefin-based blends—especially for enhancing adhesion and toughness between PE and polar polymers such as EVOH or PA, without requiring reactive grafting.
Q2: Is 7514B-PE suitable for food-contact applications?
A: While 7514B-PE is based on FDA-compliant base resins and commonly used in food packaging layers where regulatory approval is required, final compliance depends on the full formulation, processing conditions, and end-use migration testing conducted by the compounder or converter.
Q3: How does 7514B-PE differ from standard SEBS or SBS-based TPEs?
A: Unlike aromatic-block thermoplastic elastomers, 7514B-PE features a saturated polyethylene backbone with grafted polar segments, offering superior UV resistance, thermal stability above 120°C, and reduced extractables—making it especially suited for demanding extrusion and co-extrusion processes.
Q4: What processing methods are recommended for 7514B-PE?
A: 7514B-PE is optimized for conventional polyolefin processing equipment, including single-screw and twin-screw extrusion, film blowing, and co-extrusion. It exhibits good melt stability and low die swell, with typical processing temperatures ranging from 160°C to 210°C depending on line speed and geometry.
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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
