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Forbest Plastik
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SBS — Representative imageRepresentative image
Representative image of the Elastomers group; the actual colour and pellet shape of SBS vary by supplier.
Elastomers

SBS

Styrene butadiene styrene block copolymer

SBS is the most common styrenic block copolymer: it stretches like rubber and processes like a thermoplastic. Adhesives, bitumen modification and shoe soles are its main uses; due to its unsaturated structure it resists UV and heat less than SEBS. Clear and opaque grades exist.

0,94 g/cm³
Density
65–85 Shore A
Hardness
%30–40
Styrene content
%700–900
Elongation at break

Values are typical ranges for the material family; binding values are in the TDS sent with the quotation.

  • Flexible
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Price and lead time are given in the quotation according to quantity and delivery terms; there is no list price on the site.

Overview

SBS is the standard grade of the SBS family in the elastomers group. It is used in applications such as hot-melt and pressure-sensitive adhesives, bitumen and asphalt modification, shoe soles. The grade with the right flow for injection, extrusion or another process is specified in the quotation together with your quantity and colour; TDS and SDS are sent with the quotation.

Typical properties

PropertyTypical value
Density0,94 g/cm³
Hardness65–85 Shore A
Styrene content%30–40
Elongation at break%700–900

Tensile strength is measured to ISO 527, melt flow rate to ISO 1133, heat deflection temperature to ISO 75 (1.8 MPa); flammability class per UL94. Depending on supplier and grade, values can fall outside this range.

Applications

  • Hot-melt and pressure-sensitive adhesives
  • Bitumen and asphalt modification
  • Shoe soles
  • Polystyrene impact modifier

Documents

The supplier's technical data sheet (TDS) and safety data sheet (SDS) for SBS are sent by e-mail with the quoted grade; because the same code has different sheets at different suppliers we do not publish a single file on the site. To see the sheet in advance, request it with the link below.

Related products

The right raw material is one quotation away.

Send the product code or application, quantity and process; the technical team defines the candidate material and sales replies with price, lead time and the data sheet.

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