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This is the free Material Data Center Datasheet of VECTRA® A950 - LCP - Celanese

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Caractéristiques des transformations/physiques - Propriétés mécaniques - Propriétés thermiques - Propriétés électriques - Propriétés diverses - Fonctions

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Informations produit

Unreinforced Vectra grade suitable for extrusion. Chemical abbreviation according to ISO 1043-1 : LCP Inherently flame retardant FDA compliant. UL-Listing V-0 in natural and black at 0.42mm thickness per UL 94 flame testing. Relative-Temperature-Index (RTI) according to UL 746B: electrical 240°C, mechanical 220°C. UL = Underwriters Laboratories (USA)

Flammability at thickness h

V-0

-

Caractéristiques des transformations/physiques	Valeur	Unité	Norme du test
ISO Data
Retrait au moulage, perpendiculaire	0.7	%	ISO 294-4, 2577

Propriétés mécaniques	Valeur	Unité	Norme du test
ISO Data
Module en traction	7800	MPa	ISO 527
Contrainte à la rupture	148	MPa	ISO 527
Déformation à la rupture	5.7	%	ISO 527
Résistance au choc Charpy, +23°C	267	kJ/m²	ISO 179/1eU
Résistance au choc Charpy, -30°C	53	kJ/m²	ISO 179/1eU
Résistance au choc Charpy (entaillé), +23°C	95	kJ/m²	ISO 179/1eA

Propriétés thermiques	Valeur	Unité	Norme du test
ISO Data
Température de fusion, 10°C/min	280	°C	ISO 11357-1/-3
Température de fléchissement s/chrg, 1.80 MPa	193	°C	ISO 75-1/-2
Température de fléchissement s/chrg, 8.00 MPa	94	°C	ISO 75-1/-2
Température de ramolliss. Vicat, B	145	°C	ISO 306
Coeffic. de dilatation therm. linéique, parallèle	-2.4	E-6/K	ISO 11359-1/-2
Coeffic. de dilatation therm. linéique, perpend.	81	E-6/K	ISO 11359-1/-2
Inflammabilité pr. épaisseur h	V-0	class	IEC 60695-11-10

Propriétés électriques	Valeur	Unité	Norme du test
ISO Data
Permittivité relative, 100Hz	3.2	-	IEC 62631-2-1
Permittivité relative, 1MHz	3	-	IEC 62631-2-1
Facteur de pertes, 100Hz	159	E-4	IEC 62631-2-1
Facteur de pertes, 1MHz	200	E-4	IEC 62631-2-1
Résistivité transversale	1E13	Ohm*m	IEC 62631-3-1
Résistivité superficielle	1E14	Ohm	IEC 62631-3-2
Rigidité diélectrique	47	kV/mm	IEC 60243-1

Propriétés diverses	Valeur	Unité	Norme du test
Absorption d'eau	0.006	%	Sim. to ISO 62
Absorption d'humidité	0.003	%	Sim. to ISO 62
Masse volumique	1400	kg/m³	ISO 1183

Fonctions

Caractéristiques

Transformation

Moulage par injection, Extrusion de films, Extrusion (autres)

Conditionnement

Granulés, Noir, Couleurs naturelles

Propriétés spéciales

Ignifugé

Certifications

Contact alimentaire, FDA 21 CFR approbation

Disponibilité régionale

Amérique du nord, Europe, Asia Pacific, South and Central America, Proche-Orient/Afrique

Autres informations

Moulages par injection

Vectra resins are well known for their excellent thermal and hydrolytic stability. In order to ensure these properties are optimum, the resin should be dried correctly prior to processing. Vectra A-grades should be dried at 150 C for a minimum of 4 hours in a desiccant dryer.
A three-zone screw evenly divided into feed, compression, and metering zones is preferred. A higher percentage of feed flights may be needed for smaller machines: 1/2 feed, 1/4 compression, 1/4 metering.

Vectra LCPs are shear thinning, their melt viscosity decreases quickly as shear rate increases. For parts that are difficult to fill, the molder can increase the injection velocity to improve melt flow.

Conditions générales

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