PrimoSpire® PR-351 BK 931 by Solvay is a black colored, high flow, amorphous, self-reinforced polyphenylene (SRP) polymer. It is a non-combustible, melt-processable, flame retardant grade. The unique properties of this material are primarily due to the inherent rigid-rod structure. It is suitable for processing by compression molding, injection molding, profile-, film-, wire & cable extrusion and machining. It shows very low coefficient of linear thermal expansion (CLTE), very low moisture absorption, exceptional low temperature performance, great wear and friction properties, ductility, stiffness/toughness balanced, high strength, exceptional hardness and surface finish. It offers good resistance towards scratch, solvent and chemical. PrimoSpire® PR-351 BK 931 is used in aircraft substructures, semiconductor components, bushings, bearings, gears, films, housings, light-weight vehicle suspensions systems and healthcare/ medical devices and tubing. It complies with RoHS.
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PrimoSpire® PR-351 BK 931 properties
Impact properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Dynatup - Total Energy | 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 |
|---|---|---|---|
| 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 |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Heat Deflection Temperature (HDT), Annealed | 0.0 Visible After Login | Visible After Login | Visible After Login |
PrimoSpire® PR-351 BK 931 Processing Guidelines
Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
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