Polyamide thermoplastic elastomer (TPA)

Nombres alternativos y comerciales
Pebax®, Grilon®
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Description

They are block copolymers made up of rigid polyamide blocks and soft polyether blocks. Manipulating these blocks and their relative ratio allows for the creation of a large range that spans the flexibility spectrum from very hard and rigid to very soft and flexible, without the need for plasticizers. These unique polymers maintain the highly desirable combination of the toughness traditionally associated with polyamides and the flexibility/elasticity more often seen with polyethers/polyesters.

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.

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Propiedades

General

PropertyValue

Densidad

1.0 - 1.15 g/cm³

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Mecánica

PropertyValueComment

Elongación

300.0 - 700.0 %

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Módulo elástico

0.07 - 0.51 GPa

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Resistencia a la tracción

10.0 - 40.0 MPa

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at 15-30% strain

Resistencia al choque, ensayo Charpy entallado

15 kJ/m²

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no break

Resistencia al choque, ensayo Charpy no entallado

no break

Aplicaciones térmicas

PropertyValue

Coeficiente de dilatación térmica

0.00014 - 0.00021 1/K

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Temperatura de fusión

135.0 - 210.0 °C

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Inflamabilidad

UL 94 HB

Eléctrico

PropertyValue

Constante dieléctrica

5 [-]

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10 [-]

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Resistividad eléctrica

100000000.0 - 300000000.0 Ω·m

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Óptico

PropertyValue

Transparencia

yes

Technological properties

Property
Application areas

Catheters, shoe components, mantle layers for golfballs, air ducts

Other

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Processing methods

Injection molding, blow molding, extrusion, transfer molding, casting, thermoforming