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Grade: Semi-conducting
Formula: FKM carbon black filled
Form: Ball/Sphere
Material: Polyvinylidene fluoride-Hexafluoropropylene (PVDF-HFP) - Semi-conducting
Commodity: Polymers
Diameter:
3.18mm
Type:
Precision Sphere
Sphericity:
40µm
Color:
Black
Semi-conducting Semi-conducting Semi-conducting PVDF-HFP Balls from Goodfellow are made from polyvinylidene fluoride-co-hexafluoropropylene (PVDF-HFP), a semi-crystalline fluoropolymer with useful semiconducting properties. The balls come in 4 quantities. Their high dielectric strength, chemical resistance, and thermal stability make them ideal for use as insulating spacers in electrical devices. The balls' semi-conductivity also allows them to act as charge dissipaters in electronics packaging. With their versatile properties, these PVDF-HFP balls have promising applications across electronics and electrical engineering.
Tolerances
Ball/Sphere
| Diameter | Standard | ±5% |
|---|---|---|
| Diameter | Precision | See Item |
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Good-Fair |
| Acids - dilute | Good |
| Alcohols | Good-Fair |
| Alkalis | Good-Fair |
| Aromatic hydrocarbons | Good-Fair |
| Greases and Oils | Good-Fair |
| Halogenated Hydrocarbons | Good-Fair |
| Halogens | Good |
| Ketones | Poor |
Physical Properties
| Element | Value |
|---|---|
| Flammability | Self Extinguishing |
| Radiation resistance | Poor |
| Resistance to Ultra-violet | Excellent |
| Density( gcm⁻³ ) | 2 |
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Rockwell | Shore A75 |
| Compression set after 24 hr at 175C( % ) | 43 |
| Elongation at break( % ) | 200 |
| Tensile strength( MPa ) | 9 |
| Tear strength( N mm⁻¹ ) | 10 |
Thermal Properties
| Element | Value |
|---|---|
| Lower working temperature( C ) | 40 |
| Upper working temperature( C ) | 220-300 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.3@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 160 |
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