Styrol-Butadien-Styrol-Copolymer (SBS)

Copolymer Styrene Butadiene Styrene (SBS) is a thermoplastic elastomer that belongs to the family of styrene block copolymers (SBCs). It is known for its combination of excellent adhesion, low temperature performance and elastomeric and thermoplastic properties, making it a versatile material with applications in various industries such as is pressure sensitive hotmelt adhesive and bitumen application such as water proofing roof membranes.

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Unique Properties

Elasticity: They exhibit excellent elasticity and resilience, making them suitable for flexible and stretchable applications.
Adhesion: SBS copolymers have good adhesion properties, allowing them to bond well with various substrates, even at low temperatures.
Thermoplastic Processing: They can be processed using thermoplastic processing methods such as extrusion, injection molding, and film blowing.

Flexibility: They are highly flexible, even at low temperatures, making them suitable for applications requiring pliability.
Solvent Compatibility: SBS copolymers are compatible with a wide range of solvents, allowing for easy formulation of adhesives and coatings.

Highlighted Product Grades

Grade	Styrene content	Di-block content	Melt Flow Rate	Hardness Shore A	Tensile Strength	Elongation at break
CH301	30%	0%	0,5gr/10 min.	68	14MPa	700%
CH332	30%	0%	1,5gr/10 min.	85	20MPa	680%
CH510	30%	0%	–	68	16MPa	450%

*The product grades highlighted above are just a selection from our extensive range. For a complete overview or more information about our products, we kindly request you to contact us via the contact form at the bottom of this page.

Alternative for

The choice of using SBS copolymers depends on specific application requirements, including elasticity, adhesion, and flexibility. Alternatives may include other styrene block copolymers like styrene-isoprene-styrene (SIS) or styrene-ethylene-butylene-styrene (SEBS), depending on the desired characteristics and cost considerations. The selection is influenced by factors such as the operating environment, regulatory requirements, and the need for specific material properties. SBS copolymers are preferred when their unique combination of elastomeric properties and adhesion aligns with the application’s needs, particularly in adhesive, sealant, and elastomeric product applications.