PRE-ELEC® ESD 7120

About
PRE-ELEC® ESD 7120 is a static dissipative thermoplastic compound based on ABS. The dissipative property is permanent and built into the polymer chain. PRE-ELEC® ESD 7120 has been developed for injection moulding and for the extrusion of thermoformable mono- or multi-layer sheet. The products made out of PRE-ELEC® ESD 7120 are transparent, washable, reusable and recyclable. Surface resistance values of 1e8 ohms (EOS/ESD S11.11-1993, IEC 61340-5-1) can be achieved with optimum processing parameters. Typical applications include trays, tote bins, crates and technical parts which give permanent ESD protection for the electronics, medical, pharmaceutical and paper handling industries. PRE-ELEC® ESD 7120 can also be used as covers and lids as it is transparent.&&

Product Description
SupplierPremix Oy
GenericABS
Material StatusCommercial: Active
FeaturesGood Clarity,Renewable resources
AvailabilitysNorth America,Latin America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.08g/cm³ASTM D792
Density1.07g/cm³ISO 1183
Melt Flow Rate
200℃,5.0kg7.0g/10minISO 1133
Shrinkage rate
MD0.50 to 0.70%ASTM D955
MD0.50 to 0.70%ISO 294-4

MECHANICALNominal valueUnitTest method
Shore hardness
Shaw’s D73 ISO 868
Shaw’s D73 ASTM D2240
tensile strength22.8MPaASTM D638
yield34.0MPaISO 527-2
yield33.8MPaASTM D638
4 mm23.0MPaISO 527-2
Tensile strain
Fracture, 4 mm25%ISO 527-2
fracture25%ASTM D638
yield6.0%ASTM D638
yield6.0%ISO 527-2
Bending modulus
4 mm1600MPaISO 178
4 mm1590MPaASTM D790

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch
23℃,4.00 mm,Area2.31kJ/m²ASTM D256
23℃6.0kJ/m²ISO 180
Notched impact strength of cantilever beam
Area,23℃,4.00 mm15.8kJ/m²ASTM D256
23℃40kJ/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, unannealed84.0ISO 75-2/Bf
0.45 MPa, unannealed83.9ASTM D648-B
Vicat Softening Temp 
101ASTM D1525 3
87.2ASTM D1525 4
Vicat Softening Temp 
A50101ISO 306/A50
B5087.0ISO 306

Electrical performanceNominal valueUnitTest method
Surface resistivity< 1.0E+10ohmsESD STM11.11
Surface resistivity< 1.0E+10ohmsIEC 61340-2-3

Process Conditions
injectionNominal valueUnitTest method
ExtrusionNominal valueUnitTest method
Drying temperature70 to 80°C
Drying time3.0 to 4.0hr
Processing (melt) temperature180 to 210°C
Mold temperature30 to 70°C
Injection pressure75.2 to 120MPa
Injection speedModerate 
Drying temperature70 to 80°C
Drying time3.0 to 4.0hr
Barrel 1 zone temperature170°C
Barrel 2 zone temperature190°C
Barrel 3 zone temperature190°C
Barrel 4 zone temperature190°C
Barrel 5 zone temperature190°C

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)
4. Rate B (120°C/h), Loading 2 (50 N)
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