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This is the free Material Data Center Datasheet of FORTRON® LM1140L4 - PPS-GF40 - Celanese

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

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Informations produit

Fortron LM1140L4 is a 40% glass-reinforced grade that is the strongest and toughest product available. It is laser markable.  It exhibits excellent heat and chemical resistance, good electrical properties and is inherently flame-retardant. The high hardness and rigidity at elevated temperatures allows for good load bearing performance. This product has good weldability due to the modest filler level. Applications made of this grade are electronical components (i.e. bobbins, lamp housings, brush holders) and various other components requiring strength and resistance to aggressive chemicals (i.e. automotive heaters, pumps, valves, fuel rails, microwave oven rings and distillation column packings).

Flammability @1.6mm nom. thickn.	V-0	-
Flammability at thickness h (0.38 mm)	V-0	-

Caractéristiques des transformations/physiques	Valeur	Unité	Norme du test
ISO Data
Retrait au moulage, parallèle	0.3	%	ISO 294-4, 2577
Retrait au moulage, perpendiculaire	0.6	%	ISO 294-4, 2577
Chaleur spécifique du fondu	1500	J/(kg K)	-

Propriétés mécaniques	Valeur	Unité	Norme du test
ISO Data
Module en traction	14700	MPa	ISO 527
Contrainte à la rupture	195	MPa	ISO 527
Déformation à la rupture	1.9	%	ISO 527
Résistance au choc Charpy, +23°C	53	kJ/m²	ISO 179/1eU
Résistance au choc Charpy, -30°C	53	kJ/m²	ISO 179/1eU
Résistance au choc Charpy (entaillé), +23°C	10	kJ/m²	ISO 179/1eA
Résistance au choc Charpy (entaillé), -30°C	10	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 transition vitreuse, 10°C/min	90	°C	ISO 11357-1/-2
Température de fléchissement s/chrg, 1.80 MPa	270	°C	ISO 75-1/-2
Température de fléchissement s/chrg, 8.00 MPa	215	°C	ISO 75-1/-2
Coeffic. de dilatation therm. linéique, parallèle	26	E-6/K	ISO 11359-1/-2
Coeffic. de dilatation therm. linéique, perpend.	42	E-6/K	ISO 11359-1/-2
Inflammabilité ep. nom. 1.5 mm	V-0	class	IEC 60695-11-10
Epaisseur de l'éprouvette	1.5	mm	-
Inflammabilité pr. épaisseur h	V-0	class	IEC 60695-11-10
Epaisseur de l'éprouvette	0.4	mm	-
Inflammabilité 5V pr. épaisseur h	5VA	class	IEC 60695-11-20
Epaisseur de l'éprouvette	3.0	mm	-
Aptitude à l'allumage	47	%	ISO 4589-1/-2

Propriétés électriques	Valeur	Unité	Norme du test
ISO Data
Permittivité relative, 1MHz	4.1	-	IEC 62631-2-1
Facteur de pertes, 1MHz	20	E-4	IEC 62631-2-1
Résistivité transversale	>1E13	Ohm*m	IEC 62631-3-1
Résistivité superficielle	6.6E11	Ohm	IEC 62631-3-2
Rigidité diélectrique	28	kV/mm	IEC 60243-1

Propriétés diverses	Valeur	Unité	Norme du test
Absorption d'eau	0.02	%	Sim. to ISO 62
Masse volumique	1650	kg/m³	ISO 1183

Fonctions

Caractéristiques

Transformation

Moulage par injection

Conditionnement

Granulés

Additifs

Agent de démoulage

Autres informations

Moulages par injection

Predrying in a dehumidified air dryer at 130 - 140 degC/3-4 hours is recommended.
On injection molding machines with 15-25 D long three-section screws, as are usual in the trade, the FORTRON is processable. A shut-off nozzle is preferred to a free-flow nozzle.

Melt temperature 320-340 degC
Mold wall temperature at least 140 degC

A medium injection rate is normally preferred. All mold cavities must be effectively vented.
Tool temperature of at least 135 degC is recommended for parts to achieve maximum crystallizable potential.

Conditions générales

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