KOCETAL® CB301

About
KOCETAL® CB301 is carbon black reinforced grade for electrical conductivity&&

Product Description
SupplierKolon
GenericCopolymer Polyformaldehyde
Material StatusCommercial: Active
FeaturesConductive,HB
AvailabilitysNorth America,Latin America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.40g/cm³ASTM D792
Density1.40g/cm³ISO 1183
Melt Flow Rate
190℃,2.16kg1.5g/10minISO 1133
190℃,2.16kg1.5g/10minASTM D1238
Shrinkage rate1.9%ISO 294-4
MD1.9%ASTM D955
Water absorption rate
Equilibrium, 23 ℃, 60% RH0.22%ASTM D570
23℃,24hr0.22%ISO 62

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃8.0kJ/m²ISO 179/1eA
Impact strength of cantilever beam notch
23℃48J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed106ASTM D648
1.8 MPa, unannealed85.0ISO 75-2/A
0.45 MPa, unannealed152ASTM D648
Melting temperature166ISO 11357-3
Melting temperature166
Linear coefficient of thermal expansion
MD1.3E-41/℃ASTM D696

Electrical performanceNominal valueUnitTest method
Surface resistivity1.0E+3ohmsASTM D257
Surface resistivity1.0E+3ohmsIEC 60093
Volume resistivity1.0E+2ohms·cmASTM D257
Volume resistivity1.0E+2ohms·cmIEC 60093

FLAME CHARACTERISTICSNominal valueUnitTest method
0.80 mmHB UL 94

MECHANICALNominal valueUnitTest method
tensile strength
Yield, 23 ℃50.0MPaISO 527-2
23℃55.0MPaASTM D638
Tensile strain
Yield, 23 ℃20%ASTM D638
Yield, 23 ℃15%ISO 527-2
Bending modulus
23℃2250MPaISO 178
23℃2400MPaASTM D790
bending strength
23℃83.0MPaASTM D790
23℃80.0MPaISO 178
Rockwell hardness
M-level80 ISO 2039-2
M-level75 ASTM D785

Process Conditions
injectionNominal valueUnitTest method
Drying temperature80 to 90°C
Drying time3.0hr
Barrel rear temperature180°C
Barrel middle temperature190°C
Barrel front temperature190°C
Nozzle temperature200°C
Processing (melt) temperature< 220°C
Mold temperature60 to 80°C

Notes
1. Typical properties: these are not to be construed as specifications.
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