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This is the free Material Data Center Datasheet of VECTRA® A725 - LCP-X25 - Celanese

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Product Texts
Conductive Vectra grade, smooth surface compared to A700. 25% filled grade. Chemical abbreviation according to ISO 1043-1 : LCP Inherently flame retardant UL-Listing V-0 at 0.83mm thickness per UL 94 flame testing. Relative-Temperature-Index (RTI) according to UL 746B: electrical 130°C, mechanical 130°C. UL = Underwriters Laboratories (USA)

Flammability at thickness hV-0-
Processing/Physical CharacteristicsValueUnitTest Standard
ISO Data
Molding shrinkage, parallel 0.3 % ISO 294-4, 2577
Molding shrinkage, normal 0.8 % ISO 294-4, 2577
Mechanical propertiesValueUnitTest Standard
ISO Data
Tensile Modulus 8100 MPa ISO 527
Stress at break 92 MPa ISO 527
Strain at break 4.2 % ISO 527
Charpy impact strength, +23°C 31 kJ/m² ISO 179/1eU
Charpy notched impact strength, +23°C 17 kJ/m² ISO 179/1eA
Thermal propertiesValueUnitTest Standard
ISO Data
Melting temperature, 10°C/min 280 °C ISO 11357-1/-3
Temp. of deflection under load, 1.80 MPa 160 °C ISO 75-1/-2
Temp. of deflection under load, 8.00 MPa 93 °C ISO 75-1/-2
Coeff. of linear therm. expansion, parallel 10 E-6/K ISO 11359-1/-2
Coeff. of linear therm. expansion, normal 31 E-6/K ISO 11359-1/-2
Burning Behav. at thickness h V-0 class IEC 60695-11-10
Electrical propertiesValueUnitTest Standard
ISO Data
Volume resistivity 1000 Ohm*m IEC 62631-3-1
Surface resistivity 1000000 Ohm IEC 62631-3-2
Other propertiesValueUnitTest Standard
Density 1560 kg/m³ ISO 1183
Characteristics
Processing
Injection Molding
Special Characteristics
Increased electrical conductivity, Flame retardant
Regional Availability
North America, Europe, Asia Pacific, South and Central America, Near East/Africa
Other text information
Injection molding
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.
Disclaimer
Copyright Altair Engineering GmbH. Altair Engineering GmbH assumes no liability for the system to be free of errors. The user takes sole responsibility for the use of this data under the exclusion of every liability from Altair Engineering GmbH; this is especially valid for claims of compensation resulting from consequential damages. Altair explicitly points out that any decision about the application of materials must be double checked with the producer of this material. This includes all contents of this system. Copyright laws are applicable for the content of this system.
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