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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

Colour: Black

Semi-conducting PVDF-HFP Balls

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.

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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