Technical datasheet
OnFlex™ S FR 50A-3S1831
Supplied byAvient (Formerly PolyOne)- Last Updated on Jul 13, 2026
OnFlex™ S FR 50A-3S1831 by Avient (Formerly PolyOne) is a general purpose, hydrogenated styrenic block copolymer (SBC). This halogenated flame retardant grade exhibits very wide hardness range, excellent mechanical properties, good processability and elevated temperature compression set performance. It is processed by injection molding process. OnFlex™ S FR 50A-3S1831 is recommended for business equipment, automotive, industrial, electrical and electronic applications. It complies with RoHS and UL QMFZ2.
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OnFlex™ S FR 50A-3S1831 properties
Flammability properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Flame Rating, UL 94 | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Glow Wire Flammability Index (GWFI) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Limiting Oxygen Index (LOI) | 0.0 Visible After Login | Visible After Login | Visible After Login |
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| 100% Modulus | 0.0 Visible After Login | Visible After Login | Visible After Login |
| 300% Modulus | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Compression Set | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Compression Set | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Compression Set | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Elongation at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hardness, Shore A | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tear Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
OnFlex™ S FR 50A-3S1831 Processing Guidelines
Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Injection Rate | Visible After Login | Visible After Login | |
| Melt Temperature | Visible After Login | Visible After Login | |
| Mold Temperature | Visible After Login | Visible After Login | |