SBS (Styrene-Butadiene-Styrene) — Thermoplastic Elastomer
SBS is a styrene-butadiene-styrene block copolymer used as an adhesive base polymer, bitumen modifier and compounding elastomer. Allzone supplies SBS to Canadian adhesive, roofing and compounding operations with the grade confirmed against supplier documentation.
At a glance
- Product
- SBS (Styrene-Butadiene-Styrene)
- Grades
- Thermoplastic Elastomer
- Typical applications
- Hot-melt and solvent-based adhesive base polymer · Polymer-modified bitumen for roofing membranes and road binder · Footwear soling and moulded elastomeric compounds
- Packaging
- Packaging confirmed at quotation
- • Certificate of Analysis is provided against the confirmed shipment, grade and batch.
- • Manufacturer TDS and SDS are subject to grade and supplier confirmation and are available on request.
- • Grades, packaging and origin above are indicative sourcing options and are confirmed at quotation.
Available grades from container-direct sourcing
Thermoplastic Elastomer
Grade and specification confirmed against supplier technical data sheet at quotation.
Typical applications
- Hot-melt and solvent-based adhesive base polymer
- Polymer-modified bitumen for roofing membranes and road binder
- Footwear soling and moulded elastomeric compounds
- Impact modification of polystyrene and compound toughening
Why Canadian buyers choose us
- Container-direct sourcing coordinated through our Ontario logistics partner
- Supplier documentation (TDS, SDS, COA) requested and shared before order confirmation
- Specifications confirmed in writing at quotation stage — no assumed values
- LTL and FTL freight across Ontario, Quebec and Western Canada
- Quantities reviewed per enquiry, from smaller lots to full container loads
Typical industries served
Material identity
SBS (styrene-butadiene-styrene) block copolymer — identifiers and the names buyers use
- CAS
- 9003-55-8
- Polymer family
- Styrenic block copolymer — thermoplastic rubber
- Key commercial variables
- Styrene ratio and structure (linear or radial) — declared per grade
Also searched as
Abbreviations
Industry terminology
Identifiers are published for material identification. The exact specification of any offered grade is confirmed against supplier documentation at quotation.
Buyer intent coverage
SBS (styrene-butadiene-styrene) block copolymer — what it is, where it is used, how it is chosen
SBS is a styrenic block copolymer that behaves like rubber at service temperature but processes like a thermoplastic, so it can be melt-blended without vulcanisation. In the Canadian market the dominant demand is polymer-modified bitumen for roofing and paving, where the polymer has to hold the binder together through a wide seasonal temperature swing, followed by hot-melt and pressure-sensitive adhesives and by soft-touch compounding. Buying decisions turn on structure and styrene ratio rather than on the material name.
Primary uses
- Modifying bitumen for roofing membranes and paving binders
- Building tack and cohesion into hot-melt and pressure-sensitive adhesives
- Softening rigid polymers in compounding and soft-touch parts
- Producing footwear soling compounds without a vulcanisation step
Applications
- Modified-bitumen roofing membranes and waterproofing sheet
- Paving binders exposed to a wide seasonal temperature range
- Adhesive compounds for tapes, labels and assembly
- Footwear soles and moulded soft components
Advantages
- Delivers elastic recovery without the cost and cycle time of vulcanisation
- Blends into bitumen and into styrenic and polyolefin systems with conventional equipment
- Available in both linear and radial structures, which gives formulators real design latitude
Limitations to consider
- The unsaturated butadiene mid-block is sensitive to oxidation and ultraviolet exposure
- Porous pellet, crumb and powder forms feed very differently; the form has to match the equipment
- High-shear mixing can break down the polymer if the process window is not controlled
How to choose the right grade
- Define the end system first — bitumen modification, adhesive, compounding or footwear each favour a different structure
- State the required service temperature range and whether the part sees sunlight or ozone
- Confirm the physical form your equipment can feed (porous pellet, crumb, powder or bale)
- Compare declared hardness and styrene or acrylonitrile content before comparing anything else
- Exact specification is confirmed against supplier documentation at quotation.
Typical grades
- Linear grade
- Radial grade
- Oil-extended grade
- Bitumen-modification grade
- Adhesive grade
- Reference grade names are widely used as shorthand in enquiries. They are treated here as search language only: an equivalent is confirmed by comparing declared datasheet values and by a line trial, and no grade is presented as a drop-in replacement for another.
Comparable materials — how SBS (styrene-butadiene-styrene) block copolymer sits against alternatives
- SEBS where oxidative and outdoor stability dominate
- SIS where fast tack is the priority
- EPDM in vulcanised systems
- Buyers searching for an alternative or second-source supplier should state the incumbent grade and the property they are matching, because a like-for-like comparison depends on the declared datasheet values and on line trials, not on the material name alone.
Comparable-material reference. Grade selection is confirmed at RFQ against your process.
Procurement coverage
How to specify, order and receive SBS (styrene-butadiene-styrene) block copolymer
Written for procurement, quality and technical buyers in Canada and the United States. No numeric price, MOQ, stock or lead-time value is published — those are confirmed per shipment in the quotation and against the confirmed batch.
How buyers specify at RFQ
- Polymer structure (linear or radial) and declared styrene content
- Hardness and the target modulus of the finished compound
- Physical form and bulk density the feeding system accepts
- Oil extension present or absent
- Service temperature range and weathering exposure
- Regulatory status required for the finished part
Packaging options (industry-standard)
- 25 kg bag — the standard format for small and medium converters
- Octabin or jumbo / FIBC bag for higher-volume moulding and extrusion lines
- Bulk silo truck or rail hopper where the plant has compatible intake and drying
- Packaging options and available pack sizes are confirmed with each quotation.
Storage & handling
- Store sealed, dry and off the floor; moisture pick-up shows up as splay, voids and property loss
- Keep hygroscopic polymers in their original sealed packaging until they go to the dryer
- Rotate stock and record lot numbers against each production run for traceability
Documentation available
- Technical data sheet (TDS) for the exact grade offered, including the declared melt index and density
- Safety data sheet (SDS) in the format required for Canadian import
- Certificate of analysis (COA) against the confirmed production lot
- Food-contact or regulatory declaration where the end use requires it
- Documentation is confirmed per batch at quotation; availability depends on the grade and supplier offered.
RFQ checklist for sbs-styrene-butadiene-styrene-canada
Include these fields to receive an accurate Canada-landed quotation
- Base polymer and the process the material runs on (extrusion, injection, blow moulding, thermoforming)
- Machine type, output rate and the processing temperature window
- End application and whether the finished part is food-contact, potable-water or outdoor
- Annual volume and expected per-shipment quantity
- Packaging format your intake and feeding system can receive
- Documentation required per shipment
- Delivery province or port of discharge
- Compound or system the elastomer goes into and the incumbent grade being matched
- Physical form your mixing or feeding equipment accepts
Technical & procurement detail
Functional role of sbs (styrene-butadiene-styrene)+
SBS behaves as a vulcanised rubber at service temperature and as a thermoplastic at processing temperature, because its polystyrene domains soften on heating and reform on cooling. That reversibility gives elastic recovery and toughness in compounds and adhesives without a curing step.
Selecting the right grade+
Styrene-butadiene ratio, linear or radial architecture, molecular weight, diblock content and oil extension determine melt flow, elasticity and compatibility with bitumen or tackifiers. End use — hot-melt adhesive, roofing membrane, road binder, footwear sole — dictates the grade.
Documentation and specification+
Properties differ between producers and between grades of the same material. Allzone confirms the applicable grade with the supplier before quoting and shares the technical data sheet and safety data sheet for the exact material offered, so the values you evaluate are the values you receive.
Frequently asked questions
Which SBS grade suits bitumen modification?+
Bitumen modification typically uses specific linear or radial grades selected for elastic recovery and dispersion behaviour in the binder. Share the binder type, target properties and mixing equipment and the matching grade is confirmed with the supplier.
Which grade will I be quoted?+
The grade is set by your specification. Share the target performance, process conditions and any customer or regulatory requirement in the RFQ and the matching grade is confirmed with the supplier before quotation.
What packaging is available?+
Packaging is confirmed with the supplier at quotation for the grade and quantity discussed.
Can you deliver across Ontario and Quebec?+
Yes. LTL and FTL freight is arranged across Ontario, Quebec and Western Canada, with container-direct supply for repeat volumes.
Technical knowledge for SBS Styrene-Butadiene-Styrene Supplier — Canada
Engineering and purchasing guidance written for this material — understand it, apply it, compare options, specify a grade, and fix production problems.
Application Guides
Comparison Articles
Buying Guides
Related products
Materials commonly quoted alongside SBS (Styrene-Butadiene-Styrene) by the same plants.
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Mineral filler — raffia woven sacks and FIBC liners
Titanium Dioxide (TiO2)
Pigment — plastic white masterbatch (PE / PP / PS / PET)
Talc Filler & Talc Masterbatch
Mineral carrier and flow aid — polypropylene automotive bumpers and interior trim
Barium Sulfate
Mineral filler — density and sound damping compounds
Need a quote on SBS (Styrene-Butadiene-Styrene)?
Request pricing, TDS/SDS and available documentation. We usually acknowledge enquiries within one business day; samples are subject to supplier availability and product classification.