Liquid-crystalline polymer (LCP)

Nombres alternativos y comerciales
Vectra®, TECACOMP®, TECACOMP®

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Description

It is a family of halogen-free, high-performance polymers that provide high-temperature performance in eco-friendly thin-wall applications with exceptionally precise and stable dimensions. The key features are:

Service temperature up to 240°C, short term up to 340°C

Very close tolerances possible (to tolerance class T6)

Very low heat of fusion (short cycle times possible)

Flash-free injection molding

Very high tensile strength (to 200 MPa) and tensile modulus (to 30,000 MPa)

Very low coefficient of thermal expansion comparable with that of steel and ceramics

Inherently flame-resistant (UL 94 V-0, some grades with 5 VA)

Halogen-free without additives

Very good resistance to chemicals and oxidation

These highly crystalline, thermotropic (melt-orienting) thermoplastics are distinguished from semicrystalline plastics by their special molecular structure, which consists of rigid, rod-like macromolecules that are ordered in the melt phase to form liquid crystal structures.

Los datos sobre este material han sido proporcionados por M-Base.

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.

Ashby charts

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Propiedades

General

Property	Value
Densidad	1.38 - 1.94 g/cm³ Show Material materials with Densidad of 1.38 - 1.94 g/cm³

Mecánica

Property	Value	Comment
Elongación	1.3 - 3.4 % Show Material materials with Elongación of 1.3 - 3.4 %
Módulo elástico	10.0 - 24.3 GPa Show Material materials with Módulo elástico of 10.0 - 24.3 GPa
Resistencia a la tracción	110.0 - 182.0 MPa Show Material materials with Resistencia a la tracción of 110.0 - 182.0 MPa	at 1.3-3.4% strain
Resistencia al choque, ensayo Charpy entallado	2.0 - 18.0 kJ/m² Show Material materials with Resistencia al choque, ensayo Charpy entallado of 2.0 - 18.0 kJ/m²
Resistencia al choque, ensayo Charpy no entallado	3.7 kJ/m² Show Material materials with Resistencia al choque, ensayo Charpy no entallado of 3.7 kJ/m²
	29 kJ/m² Show Material materials with Resistencia al choque, ensayo Charpy no entallado of 29 kJ/m²

Aplicaciones térmicas

Property	Value
Coeficiente de dilatación térmica	0.0 - 4.2e-05 1/K Show Material materials with Coeficiente de dilatación térmica of 0.0 - 4.2e-05 1/K
Temperatura de fusión	280.0 - 335.0 °C Show Material materials with Temperatura de fusión of 280.0 - 335.0 °C
Inflamabilidad	UL 94 V0

Eléctrico

Property	Value
Constante dieléctrica	3.2 [-] Show Material materials with Constante dieléctrica of 3.2 [-]
	4.8 [-] Show Material materials with Constante dieléctrica of 4.8 [-]
Resistividad eléctrica	100000000000000 Ω·m Show Material materials with Resistividad eléctrica of 100000000000000 Ω·m

Óptico

Property	Value
Transparencia	no

Technological properties

Property

Application areas

connectors for PC, baking pans, casserole dishes

Other

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Processing methods

Injection molding, extrusion, thermoforming

Liquid-crystalline polymer (LCP)

Description

Ashby charts

Usos

Lectura sugerida

Propiedades