Hytrel® G4774

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Description

Common features of Hytrel® thermoplastic polyester elastomer include mechanical and physical properties such as exceptional toughness and resilience, high resistance to creep, impact and flex fatigue, flexibility at low temperatures and good retention of properties at elevated temperatures. In addition, it resists many industrial chemicals, oils and solvents. Special grades include heat stabilised, flame retardant, food contact compliant, blow molding and extrusion grades. Concentrates offered include black pigments, UV protection additives, heat stabilisers, and flame retardants.Hytrel® thermoplastic polyester elastomer is plasticiser free.The good melt stability of Hytrel® thermoplastic polyester elastomer normally enables the recycling of properly handled production waste. If recycling is not possible, DuPont recommends, as the preferred option, incineration with energy recovery (-24 kJ/g of base polymer) in appropriately equipped installations.For disposal, local regulations have to be observed.Hytrel® thermoplastic polyester elastomer typically is used in demanding applications in the automotive, fluid power, electrical/electronic, consumer goods, appliance and power tool, sporting goods, furniture, industrial and off-road transportation/equipment industry.Hytrel® G4774 is a medium modulus grade with nominal hardness of 47D. It contains discoloring stabilizer. It can be processed by many conventional thermoplastic processing techniques like injection molding and extrusion.Typical applications: Hose and tubing, wire and cable jackets, film and sheeting, profiles and moulded products. Not suited for light-colored finished products.

Diese Materialdaten wurden von Matmatch 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

Property	Temperature	Value	Comment
Dichte	23.0 °C	1.19 g/cm³ Show Material materials with Dichte of 1.19 g/cm³	ISO 1183
Wasserabsorption	23.0 °C	2.5 % Show Material materials with Wasserabsorption of 2.5 %	Sim. to ISO 62 \| Immersion 24h

Mechanisch

Property	Temperature	Value	Comment
Biegemodul	23.0 °C	0.11 GPa Show Material materials with Biegemodul of 0.11 GPa	ISO 178
Dehnung	23.0 °C	400 % Show Material materials with Dehnung of 400 %	ISO 527-1/-2
Elastizitätsmodul	23.0 °C	0.11 GPa Show Material materials with Elastizitätsmodul of 0.11 GPa	ISO 527-1/-2
Härte, Shore D	23.0 °C	48 [-] Show Material materials with Härte, Shore D of 48 [-]	max., ISO 7619-1
Reißfestigkeit	23.0 °C	100 kN/m Show Material materials with Reißfestigkeit of 100 kN/m	ISO 34-1
Reißfestigkeit, transversal	23.0 °C	90 kN/m Show Material materials with Reißfestigkeit, transversal of 90 kN/m	ISO 34-1
Schlagfestigkeit, Charpy gekerbt	-40.0 °C	120 kJ/m² Show Material materials with Schlagfestigkeit, Charpy gekerbt of 120 kJ/m²	No Break @ 23,-6°C, ISO 179/1eU
Schubmodule	23.0 °C	0.04 GPa Show Material materials with Schubmodule of 0.04 GPa	ISO 6721
Zugfestigkeit	23.0 °C	17 MPa Show Material materials with Zugfestigkeit of 17 MPa	ISO 527-1/-2
Schlagzähigkeit, Charpy ungekerbt	No Break @ 23,-6°C, ISO 179/1eA
Schlagzähigkeit, Izod ungekerbt	No Break @ 23,-40°C, ISO180/1A

Thermisch

Property	Temperature	Value	Comment
Brittleness temperature		-66 °C Show Material materials with Brittleness temperature of -66 °C	ISO 974
Glasübergangstemperatur		-45 °C Show Material materials with Glasübergangstemperatur of -45 °C	ISO 11357-1/-2 \| 18°F/min
Heat deflection temperature, 0.45 MPa		60 °C Show Material materials with Heat deflection temperature, 0.45 MPa of 60 °C	ISO 75-1/-2
Koeffizient der thermischen Ausdehnung	23.0 °C	2.2E-4 1/K Show Material materials with Koeffizient der thermischen Ausdehnung of 2.2E-4 1/K	ISO 11359-1/-2
Relative temperature index, electrical		50 °C Show Material materials with Relative temperature index, electrical of 50 °C	UL 746B \| 120mil
Relative temperature index, mechanical impact		50 °C Show Material materials with Relative temperature index, mechanical impact of 50 °C	UL 746B \| 120mil
Relative temperature index, mechanical strength		50 °C Show Material materials with Relative temperature index, mechanical strength of 50 °C	UL 746B \| 120mil
Schmelzpunkt		208 °C Show Material materials with Schmelzpunkt of 208 °C	ISO 11357-1/-3 \| 18°F/min
Spezifische Wärmekapazität	23.0 °C	2100 J/(kg·K) Show Material materials with Spezifische Wärmekapazität of 2100 J/(kg·K)	of melt
Temperaturleitfähigkeit	23.0 °C	0 mm²/s Show Material materials with Temperaturleitfähigkeit of 0 mm²/s
Vicat-Erweichungstemperatur		165 °C Show Material materials with Vicat-Erweichungstemperatur of 165 °C	ISO 306 \| 90°F, 2 lbf
thermischer Ausdehnungskoeffizient, transversal	23.0 °C	1.9E-4 1/K Show Material materials with thermischer Ausdehnungskoeffizient, transversal of 1.9E-4 1/K	ISO 11359-1/-2
Entflammbarkeit	Burning Behav. at 60mil nom. thickn.: HB class, Thickness tested: 1.5 mm, UL recognition: yes -, Burning Behav. at thickness h: HB class, Thickness tested: 3 mm, UL recognition: yes -, Glow Wire Flammability Index, 80mil: 700 °C, Glow Wire Ignition Temperature, 80mil: 675 °C, Glow Wire Temperature, No Flame, 80mil: 650 °C, FMVSS Class: B -, Burning rate, Thickness 1 mm: 33 mm/min

Elektrisch

Property	Temperature	Value	Comment
Dielektrizitätskonstante, 1 MHz	23.0 °C	4.7 [-] Show Material materials with Dielektrizitätskonstante, 1 MHz of 4.7 [-]	IEC 62631-2-1
Volume resistivity	23.0 °C	1.00E+14 Ω·cm Show Material materials with Volume resistivity of 1.00E+14 Ω·cm	IEC 62631-3-1

Rheological Properties

Property	Temperature	Value	Comment
Schmelzvolumenflussrate		11 cm³/10min Show Material materials with Schmelzvolumenflussrate of 11 cm³/10min	ISO 1133
Schrumpfung	23.0 °C	1.5 % Show Material materials with Schrumpfung of 1.5 %	ISO 294-4, 2577
Schrumpfung, diagonal	23.0 °C	1.2 % Show Material materials with Schrumpfung, diagonal of 1.2 %	ISO 294-4, 2577

Technological properties

Property
Processing methods	Drying Recommended: yes, Drying Temperature: 100°C, Drying Time, Dehumidified Dryer: 2-3h, Processing Moisture Content: ≤0.08%, Melt Temperature Optimum: 240°C, Min. melt temperature: 235°C, Max. melt temperature: 260°C, Mold Temperature Optimum: 45°C, Min. mold temperature: 45°C, Max. mold temperature: 55°C

Hytrel® G4774

Description

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