SBS / SEBS — Styrene Block Copolymers SBS & SEBS
SBS and SEBS are styrene-based block copolymers. SBS is unsaturated and elastic; SEBS is hydrogenated and therefore more resistant to ageing and weathering.
What is SBS / SEBS?
SBS and SEBS are styrene-based block copolymers. SBS is unsaturated and elastic; SEBS is hydrogenated and therefore more resistant to ageing and weathering.
Typical properties
| Density | ~0.90–0.95 g/cm³ |
| Tensile strength | ~5–35 MPa |
| Elasticity | high |
| Modifiability | very good |
Typical applications
TPE compoundsAdhesivesBitumen modificationShoe solesSealsGrips
Industries
AdhesivesConstructionAutomotiveFootwearCompoundingConsumer goods
Processing
Compounding, extrusion and injection moulding. SEBS is frequently formulated with oil, PP or other polymers.
How NSB supplies SBS / SEBS
NSB Polymers trades SBS / SEBS in Prime, Near-Prime, Wide-Spec, Off-Grade and Stocklot qualities — sourced from 50+ producers and 200+ trading partners worldwide. Available lots change weekly.
Related materials
Typical guide values only. Actual density, tensile strength, MFI, heat deflection and processing behaviour vary by producer, additive package, reinforcement content, moisture, colour, recycled content and quality level (Prime, Near-Prime, Wide-Spec, Off-Grade, Stocklot). These values are not a specification and no guarantee of suitability for a specific application — binding are only written offers and agreed specifications. See our Note on product information.
Request SBS / SEBS
Pre-filled with your material — please add quantity and shipping address.