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High-Chem Welding Wire made of PVDF

Application area Used in chemical apparatus and machine building, especially in the... more

Application area

Used in chemical apparatus and machine building, especially in the petrochemical, chemical, metallurgical, pharmaceutical, food processing, paper and textile industry as well as in the nuclear technology (pump carrying wheels, flanges, valve bodies etc.).

For hot gas welding of sheets, rods and tubes made of PVDF (same melt-flow index).

Product specification

Heavy-duty plastic

Very good chemical resistance, but limited compared to PTFE

Outstanding hydrolysis resistance

Good temperature resistance coupled with high operating temperature limit

High impact toughness even at low temperatures

Great hardness

High mechanical stability, stiffness and creep strength (in this regard superior to other plastics)

High heat-stability

Thermoplasticly processable

Good electrical insulating properties

Inherent flame-resistance

Very good radiation resistance

Outstanding UV and weather resistance

Physiologically safe

Technical specification

Material: PVDF (polyvinylidene fluoride)

Colour: natural, translucent

Density: 1.78 g/cm3 (ISO 1183)

Temperature range: -60 to +150 °C, for a short time +160 °C

Melting point: +169 °C (ISO 3146)

Flammability rating: UL 94 V-0 (at 1.5 or 3 mm thickness)

Thermal conductivity: 0.19 W/m * K at +23 °C (DIN 52612)

Tensile strength: 50 N/mm2 (yield stress) (ISO 527-2)

Elongation at break: >50 % (ISO 527-2)

Tensile modulus: 2,000 N/mm2 (ISO 527-2)

Notch impact strength: 6 kJ/m2 (ISO 179/1eA)

Rockwell hardness: M 75 (ISO 2039-2)

Dielectric loss factor:

at 1 MHz: 0.165 (IEC 60250)

at 100 Hz: 0.025 (IEC 60250)

Dielectric strength: 20 kV/mm (IEC 60242-1)

Volume resistivity: 1012 Ohm x m (IEC 60093)

Surface resistivity: 1013 Ohm (IEC 60093)

Tolerance: DIN ISO 3302-1 E2

Regulations: according to BfR and FDA

No additional information available.
Item Image Outside Ø
3 1.000 1 27.00
3 1.000 2 47.00
3 1.000 3 61.00
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