Radel® R-7558 by Syensqo is a detergent resistant, flame retardant polyphenylsulfone (PPSU) grade. Exhibits good processing stability, good chemical resistance, and good flow. Offers good toughness, low smoke emission and low toxicity. Is suitable for processing by injection molding. Radel® R-7558 is recommended for aircraft interior applications. Complies with the FAA FAR 25.853a, FAA FAR 25.853d and OSU 55/55 regulations.
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Radel® R-7558 properties
Flammability properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Heat Release Rate (HRR) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Heat Release Rate (HRR) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Smoke Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Vertical Burn, Drip Burn Time | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Vertical Burn, Flame Length | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Vertical Burn, Flame Time | 0.0 Visible After Login | Visible After Login | Visible After Login |
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Elongation at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flexural Modulus | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flexural Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Impact Strength, Notched Izod | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Modulus of Elasticity | 0.0 Visible After Login | Visible After Login | Visible After Login |
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Tensile Strength at Yield | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Linear Mold Shrinkage, Flow | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Water Absorption | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Heat Release Rate (HRR) | 0.0 Visible After Login | Visible After Login | Visible After Login |
Radel® R-7558 Processing Guidelines
Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Drying Temperature | Visible After Login | Visible After Login | |
| Drying Time | Visible After Login | Visible After Login | |
| Front Temperature | Visible After Login | Visible After Login | |
| Melt Temperature | Visible After Login | Visible After Login | |
| Middle Temperature | Visible After Login | Visible After Login | |
| Mold Temperature | Visible After Login | Visible After Login | |
| Nozzle Temperature | Visible After Login | Visible After Login | |
| Rear Temperature | Visible After Login | Visible After Login | |
| Screw Compression ratio | Visible After Login | Visible After Login | |