Hytrel® DYM250S BK472

Nombres alternativos y comerciales
TPC-ET+PBT

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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® DYM250S BK472 is a medium modulus resin suited for injection molding of Air Bag Deployment Doors. It has a nominal durometer hardness of 49D and contains fine particle size carbon black.Typical applications: Air bag deployment door.

Los datos sobre este material han sido proporcionados por Matmatch.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

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Propiedades

General

Property	Temperature	Value	Comment
Densidad	23.0 °C	1.16 g/cm³ Show Material materials with Densidad of 1.16 g/cm³	ISO 1183

Mecánica

Property	Temperature	Value	Comment
Dureza Shore D	23.0 °C	49 [-] Show Material materials with Dureza Shore D of 49 [-]	max., ISO 7619-1
Elongación	23.0 °C	600 % Show Material materials with Elongación of 600 %	ISO 527-1/-2
Módulo de flexión	23.0 °C	0.35 GPa Show Material materials with Módulo de flexión of 0.35 GPa	ISO 178
Módulo elástico	23.0 °C	0.29 GPa Show Material materials with Módulo elástico of 0.29 GPa	ISO 527-1/-2
Resistencia a desgarros	23.0 °C	110 kN/m Show Material materials with Resistencia a desgarros of 110 kN/m	ISO 34-1
Resistencia a desgarros transversal	23.0 °C	90 kN/m Show Material materials with Resistencia a desgarros transversal of 90 kN/m	ISO 34-1
Resistencia a la tracción	23.0 °C	30 MPa Show Material materials with Resistencia a la tracción of 30 MPa	ISO 527-1/-2
Resistencia al choque, ensayo Charpy entallado	-40.0 °C	120 kJ/m² Show Material materials with Resistencia al choque, ensayo Charpy entallado of 120 kJ/m²	ISO 179/1eA
	-6.0 °C	110 kJ/m² Show Material materials with Resistencia al choque, ensayo Charpy entallado of 110 kJ/m²	ISO 179/1eA

Aplicaciones térmicas

Property	Value	Comment
Brittleness temperature	-100 °C Show Material materials with Brittleness temperature of -100 °C	ISO 974
Heat deflection temperature, 0.45 MPa	48 °C Show Material materials with Heat deflection temperature, 0.45 MPa of 48 °C	ISO 75-1/-2
Heat deflection temperature, 1.80 MPa	41 °C Show Material materials with Heat deflection temperature, 1.80 MPa of 41 °C	ISO 75-1/-2
Temperatura de fusión	222 °C Show Material materials with Temperatura de fusión of 222 °C	ISO 11357-1/-3 \| 18°F/min
Temperatura de reblandecimiento Vicat	150 °C Show Material materials with Temperatura de reblandecimiento Vicat of 150 °C	ISO 306 \| 90°F, 2 lbf
Inflamabilidad	FMVSS Class: B -, Burning rate, Thickness 1 mm: 24 mm/min

Rheological Properties

Property	Temperature	Value	Comment
Contracción	23.0 °C	1.2 % Show Material materials with Contracción of 1.2 %	ISO 294-4, 2577
Contracción transversal	23.0 °C	1.2 % Show Material materials with Contracción transversal of 1.2 %	ISO 294-4, 2577
Velocidad de flujo de la masa derretida		13 g/10min Show Material materials with Velocidad de flujo de la masa derretida of 13 g/10min	ISO 1133 \| 240°C/2.16kg
Velocidad de flujo del volumen derretido		13 cm³/10min Show Material materials with Velocidad de flujo del volumen derretido of 13 cm³/10min	ISO 1133

Technological properties

Property
Processing methods	Drying Recommended: yes, Drying Temperature: 100°C, Drying Time, Dehumidified Dryer: 3-4h, Processing Moisture Content: ≤0.05%, Melt Temperature Optimum: 245°C, Min. melt temperature: 240°C, Max. melt temperature: 250°C, Mold Temperature Optimum: 45°C, Min. mold temperature: 40°C, Max. mold temperature: 55°C

Hytrel® DYM250S BK472

Description

Ashby charts

Lectura sugerida

Propiedades