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This is the free Material Data Center Datasheet of Makroblend® M525 - (PC+PBT)-I - Covestro Deutschland AG

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Processing/Physical Characteristics - Mechanical properties - Thermal properties - Electrical properties - Other properties - Processing Recommendation Injection Molding
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Product Texts
  • (PC PBT) Blend, impact modified, easy release, injection molding grade. Makroblend M525 offers an exceptional low-temperature impact strength, good flowability and excellent chemical resistance. Manufactured according to GMP, tested only according to ISO 10993-5 and ISO 10993-10 for contact with uncompromised skin only
  • for questions regarding biocompatibility we ask for an email inquiry under plastics@covestro.com.
Processing/Physical CharacteristicsValueUnitTest Standard
ISO Data
Melt volume-flow rate, MVR 21 cm³/10min ISO 1133
Temperature 260 °C -
Load 5 kg -
Molding shrinkage, parallel 0.8 % ISO 294-4, 2577
Molding shrinkage, normal 0.8 % ISO 294-4, 2577
Mechanical propertiesValueUnitTest Standard
ISO Data
Tensile Modulus 2000 MPa ISO 527
Yield stress 55 MPa ISO 527
Yield strain 4.5 % ISO 527
Nominal strain at break >50 % ISO 527
Flexural modulus, 23°C 2000 MPa ISO 178
Izod notched impact strength, +23°C 60 kJ/m² ISO 180/1A
Izod notched impact strength 45 kJ/m² ISO 180/1A
Temperature -20 °C -
Thermal propertiesValueUnitTest Standard
ISO Data
Temp. of deflection under load, 1.80 MPa 75 °C ISO 75-1/-2
Temp. of deflection under load, 0.45 MPa 100 °C ISO 75-1/-2
Vicat softening temperature, B 122 °C ISO 306
Burning Behav. at 1.5 mm nom. thickn. HB class IEC 60695-11-10
Thickness tested 1.5 mm -
Yellow Card available yes - -
Electrical propertiesValueUnitTest Standard
ISO Data
Volume resistivity >1E13 Ohm*m IEC 62631-3-1
Surface resistivity >1E15 Ohm IEC 62631-3-2
Comparative tracking index 225 - IEC 60112
Other propertiesValueUnitTest Standard
Density 1220 kg/m³ ISO 1183
Processing Recommendation Injection MoldingValueUnitTest Standard
Pre-drying - Temperature 110 °C -
Pre-drying - Time 2 - 4 h -
Processing humidity ≤0.01 % -
Melt temperature 250 - 270 °C -
Mold temperature 60 - 100 °C -
Zone 1 245 - 255 °C -
Zone 2 250 - 260 °C -
Zone 3 255 - 265 °C -
Nozzle temperature 255 - 270 °C -
Back pressure 5 - 15 MPa -
Characteristics
Processing
Injection Molding
Additives
Release agent
Special Characteristics
High impact or impact modified
Chemical Resistance
General Chemical Resistance
Certifications
Medical Grade, Biocompatibility ISO 10993
Applications
Medical
Regional Availability
North America, Europe, Asia Pacific, South and Central America, Near East/Africa
Application examples
Wearable medical device
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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