PRE-ELEC® PS 1328

About
PRE-ELEC® PS 1328 is a conductive thermoplastic compound based on polystyrene. Conductivity is achieved by using special conductive carbon black. In addition to a low electrical resistivity. PRE-ELEC® PS 1328 has excellent mechanical properties and is easy to extrude or injection mould. Typical applications include injection moulded tote bins and boxes for ESD sensitive products.&&

Product Description
SupplierPremix Oy
GenericPS
Material StatusCommercial: Active
FeaturesExcellent Processability,Conductive
AvailabilitysNorth America,Latin America,Asia Pacific,Europe
Process MethodsExtrusion

Technical Data
PHYSICALNominal valueUnitTest method
Density1.11g/cm³ASTM D792
Density1.10g/cm³ISO 1183
Melt Flow Rate ASTM D1238
200℃,21.6kg70g/10minASTM D1238
200℃,5.0kg3.0g/10minASTM D1238
Melt Flow Rate ISO 1133
200℃,21.6kg70g/10minISO 1133
200℃,5.0kg3.0g/10minISO 1133
Shrinkage rate
MD0.40 to 0.60%ASTM D955
MD0.40 to 0.60%ISO 294-4

MECHANICALNominal valueUnitTest method
Shore hardness ISO 868
Shaw’s A99 ISO 868
Shaw’s D79 ISO 868
tensile strength22.8MPaASTM D638
yield28.0MPaISO 527-2
yield28.3MPaASTM D638
tensile strength23.0MPaISO 527-2
Tensile strain
fracture20%ISO 527-2
yield8.0%ISO 527-2
Bending modulus
4 mm2210MPaASTM D790
4 mm2200MPaISO 178

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength 
-20℃6.3kJ/m²ASTM D256
-20℃7.0kJ/m²ISO 179
23℃9.0kJ/m²ISO 179
23℃8.4kJ/m²ASTM D256
Charpy Unnotch Impact strength 
-20℃29kJ/m²ASTM D256
-20℃30kJ/m²ISO 179
23℃35kJ/m²ISO 179
23℃36kJ/m²ASTM D256
-20℃,4.00 mm2.10kJ/m²ASTM D256
23℃,4.00 mm4.20kJ/m²ASTM D256
Impact strength of cantilever beam notch ISO 180
Area ASTM D256
-20℃3.0kJ/m²ISO 180
23℃5.0kJ/m²ISO 180
Notched impact strength of cantilever beam ASTM D256
-20℃,4 mm39.9kJ/m²ASTM D256
23℃,4 mm50.4kJ/m²ASTM D256
Notched impact strength of cantilever beam ISO 180
-20℃40kJ/m²ISO 180
23℃50kJ/m²ISO 180

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed70.0ISO 75-2/Af
1.8 MPa, unannealed70.0ASTM D648-A
0.45 MPa, unannealed82.8ASTM D648-B
0.45 MPa, unannealed83.0ISO 75-2/Bf
Vicat Softening Temp97.2ASTM D1525 3
A5097.0ISO 306/A50

Electrical performanceNominal valueUnitTest method
Surface resistivity< 1.0E+5ohmsIEC 61340-2-3
Volume resistivity< 1.0E+4ohms·cmInternal Method

Process Conditions
injectionNominal valueUnitTest method
Drying temperature60 to 80°C
Drying time3.0 to 4.0hr
Processing (melt) temperature240 to 270°C
Mold temperature40 to 80°C
Injection pressure75.0 to 120MPa
Injection speedModerate 

Notes
1. Typical properties: these are not to be construed as specifications.
2. 4 mm thickness
3. Rate A (50°C/h), Loading 2 (50 N)
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