Kynar® 370

Alternative und Handelsbezeichungen
PVDF
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Description

Kynar® resins are fluorinated thermoplastic homopolymers.

Kynar® 370 resin is a thermoplastic fluorinated polymer resin. The properties are the same as standard grade: chemical resistance, resistance to UV, low permeation, high purity, excellent mechanical behavior with a higher HDT. This grade is especially modified in order to have a reduced mold shrinkage, low thermal expansion factor. Moreover, this grade has an increased thermal and electrical conductivity. This grade is available as pellet form for injection, extrusion, compression.

Diese Materialdaten wurden von Arkema Technical Polymers zur Verfügung gestellt

Alle Daten beziehen sich auf Raumtemperatur soweit nicht anderweitig spezifiziert. SI Einheiten werden verwendt soweit nicht anderweitig spezifiziert.
Äquivalente Standards sind ähnlich zu einem oder mehreren Standards die der Anbieter angegeben hat. Manche äquivalente Standards können strikter sein oder außerhalb der Bedingungen des ursprünglichen Standards.

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Eigenschaften

Allgemein

PropertyValueTesting StandardComment

Coefficient of friction

0.12 [-]

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ASTM D1894

vs Steel, Kinetic

0.18 [-]

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ASTM D1894

vs Steel, Static

Dichte

1.84 - 1.88 g/cm³

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ASTM D792

Sauerstoffindex

44 %

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ASTM D2863

Wasserabsorption

0.02 %

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Sim. to ISO 62

Mechanisch

PropertyTemperatureValueTesting StandardConditionComment

Biegefestigkeit

138 - 207 MPa

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ASTM D790

at 5% strain

Biegemodul

5.5 - 6.9 GPa

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ASTM D790

Dehnung

0 - 20 %

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ASTM D638

Druckfestigkeit

138 - 172 MPa

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ASTM D695

Elastizitätsmodul

3.1 - 5.2 GPa

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ASTM D638

Elongation at yield

0 %

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ASTM D638

4 %

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ASTM D638

Härte, Shore D

74 - 79 [-]

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ASTM D2240

Impact strength, Charpy notched, ASTM

23 °C

40 - 80.1 J/m

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ASTM D256

Impact strength, Charpy unnotched, ASTM

23 °C

267 - 534 J/m

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ASTM D256

Streckgrenze

34.5 - 55.2 MPa

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ASTM D638

42 MPa

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ISO 527-1/-2

dry

Zugfestigkeit

37.9 - 55.2 MPa

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ASTM D638

Thermisch

PropertyValueTesting StandardConditionPressureComment

Glasübergangstemperatur

-40.6 - -38.3 °C

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ASTM D7028

-40 °C

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ISO 11357-1/-2

dry

10°C/min

Koeffizient der thermischen Ausdehnung

3.6e-05 - 4.5e-05 1/K

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ASTM D696

4e-05 1/K

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ISO 11359-1/-2

dry

Schmelzpunkt

165 - 170 °C

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ASTM D3418

170 °C

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ISO 11357-1/-3

dry

10°C/min

Thermal decomposition in air

375 °C

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TGA

1% wt. loss

Thermal decomposition in nitrogen

410 °C

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TGA

1% wt. loss

Wärmeformbeständigkeitstemperatur

110 - 127 °C

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ASTM D648

2 MPa

248 °F/hr

120 °C

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ISO 75-1/-2

dry

2 MPa

132 - 149 °C

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ASTM D648

0.45 MPa

248 °F/hr

Entflammbarkeit

At thickness 1.6 mm IEC 60695-11-10: V-0, At thickness 0.8 mm IEC 60695-11-10: V-0

Elektrisch

PropertyValueFrequencyTesting StandardCondition

Dielektrizitätskonstante

28.8 - 33.5 [-]

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1KHz

ASTM D150

33 [-]

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100Hz

IEC 60250

dry

Verlustfaktor

0.06 - 0.08 [-]

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100KHz

ASTM D150

0.061 [-]

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100Hz

IEC 60250

dry

Volume resistivity

1e+11 Ω·cm

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ASTM D257

65% RH

1e+13 Ω·cm

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IEC 60093

dry

Rheological Properties

PropertyValueTesting StandardConditionComment

Density of melt

1.88 g/cm³

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Melt viscosity

800 - 1300 Pa·s

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ASTM D3835

Schmelzmassenflussrate

5 - 17 g/10min

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ASTM D1238

230°C/3.8kg

Schmelzvolumenflussrate

5.8 cm³/10min

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ISO 1133

dry

230°C/3.8kg

Schrumpfung

0.7 %

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ISO 294-4

dry

0.7 %

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ISO 294-4

dry

Transverse

Technological properties

Property
Application areas

Chemical Process Industry

Processing methods

Injection Molding:

  • Melt temperature (°C) ISO 294: 230
  • Mold temperature (°C) ISO 10724: 90
  • Injection velocity (mm/s) ISO 294: -
  • Pressure at hold (MPa) ISO 294: -