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Excellent soft-touch feel with balanced elasticity and recovery performance.
Good processability via injection molding and extrusion without pre-drying.
Enhanced compatibility with polypropylene (PP) and polyethylene (PE) for co-extrusion and overmolding.
Low extractables and compliant with FDA 21 CFR §177.2600 for food-contact applications.
UV-stabilized formulation offering improved resistance to discoloration under ambient light exposure.
Soft-grip handles for power tools and consumer appliances.
Sealing rings and gaskets in automotive fluid systems.
Overmolded components for medical device housings requiring skin-safe contact.
Flexible tubing and connectors in household appliance water lines.
Reusable packaging closures and snap-fit lids for food storage containers.
| Chemical Type | Thermoplastic Elastomer (TPE) — Styrenic Block Copolymer (SBC) based |
| Product Form | Pellets |
| Appearance | Translucent, natural-colored granules |
| Hardness (Shore A) | 45 ± 3 |
| Melt Flow Rate (200°C/5 kg) | 18–22 g/10 min |
| Density | 0.91 g/cm³ |
| Primary Applications | Overmolding, soft-touch finishing, flexible seals and grips |
| Key Features | PP/PE adhesion, low odor, recyclable, non-phthalate |
Q1: What is the primary functional role of SK 1045BM/NM TPE in polymer formulations?
A: SK 1045BM/NM TPE is a thermoplastic elastomer designed primarily as a compatibilizer and impact modifier, especially for polyolefin-based blends. It enhances interfacial adhesion between immiscible polymers and improves toughness without significantly compromising melt processability.
Q2: Is SK 1045BM/NM TPE suitable for applications requiring food-contact compliance?
A: While SK 1045BM/NM TPE is formulated with non-toxic, FDA-acceptable raw materials, final regulatory approval depends on the complete formulation, processing conditions, and end-use requirements. Customers must conduct full regulatory evaluation—including extractables testing—within their specific application context.
Q3: How does SK 1045BM/NM TPE perform under thermal processing conditions?
A: This grade exhibits good thermal stability during standard extrusion and injection molding processes. It maintains structural integrity up to typical processing temperatures for polyolefins and shows minimal degradation or volatilization when residence time and temperature are controlled within recommended ranges.
Q4: Can SK 1045BM/NM TPE be used in combination with other elastomers or fillers?
A: Yes—it demonstrates broad compatibility with common polyolefins, styrenics, and engineering thermoplastics. When combined with mineral fillers or other elastomeric modifiers, dosage typically ranges from 0.1% to 2% by weight, depending on desired balance of flexibility, strength, and dispersion quality.
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E-mail: wangxingqiang@ericwchem.com
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