
Injection materials
SBS compounds (Gama Synther)
Styrene-butadiene-styrene thermoplastics, the standard for injected footwear soles.
Description
Synther SBS compounds are thermoplastic elastomers based on a styrene-butadiene block copolymer. With more than 50 years of experience in these materials, Synthelast develops a broad range of formulations that combine performance and versatility to meet the needs of each project. Available finishes include opaque, translucent, crystal-clear, aged and rubber-effect options. We also develop bespoke formulations to meet each customer’s technical and aesthetic requirements.
| Property | Gama Synther | ||||
|---|---|---|---|---|---|
| SCTR 36 | SCTR 10 | SCTR 53 | SCTR 70 | SCTR 2307 | |
| Hardness range (Shore A) | 20-90 | 20-90 | 20-90 | 20-90 | 20-90 |
| Transparency | Opaque | Opaque | Translucent | Crystal clear | Translucent |
| Density (g/cm³) | 1,05 | 0,95 | 0,93 | 0,91 | 0,92 |
| Flowability | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ |
| Abrasion resistance | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ |
| Tear resistance | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ |
| Tensile strength | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ |
| Elongation at break | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ |
| Flex resistance | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ |
| Finish | Opaque/Gloss | Opaque/Gloss | Translucent/Gloss | Crystal clear/Gloss | Aged effect |
| Recyclable | 100% | 100% | 100% | 100% | 100% |
★★ Medium · ★★★ High · ★★★★ Very high · ★★★★★ Excellent. Indicative values for comparison between grades within the range. For test data, consult the technical datasheet for each material.
Selected materials in this range can be developed with a more sustainable approach, depending on the formulation and each project's requirements. Explore our solutions in STEP ON GREEN.
We can also assess formulations for thin, flexible soles tailored to the requirements of barefoot footwear.
Applications
- Casual and sports soles
- Technical pieces
Advantages
- Excellent injection processability
- Custom formulation
- 100% recyclable
- REACH regulatory compliance