C-Clear™ K7050

About
Kumhosunny C-Clear™ K7050 is heat resistance ABS with low VOC ,high rigidity , toughness and good UV-stability .&&

Product Description
SupplierKumhoSunny
GenericABS
Material StatusCommercial: Active
FeaturesGood Rigidity,Weather resistance is good,Good flexibility,High Heat Resistance,Low odor,HB
AvailabilitysAsia Pacific
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.06g/cm³ISO 1183
Melt Flow Rate
220℃,10.0kg8.0g/10minISO 1133
Shrinkage rate
23℃0.40 to 0.70%ISO 294-4
VOC Content(Condition: 120℃*5h)< 18.0µgC/gVDA 277

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch ISO 180
-30℃8.0kJ/m²ISO 180
23℃15kJ/m²ISO 180
Notched impact strength of cantilever beam
23℃无断裂 ISO 180

THERMALNominal valueUnitTest method
Hot deformation temperature 
0.45 MPa, unannealed98.0ISO 75-2/B
1.8 MPa, unannealed90.0ISO 75-2/A
Vicat Softening Temp
B50107ISO 306

Electrical performanceNominal valueUnitTest method
Surface resistivity> 1.0E+15ohmsIEC 60093
Volume resistivity> 1.0E+15ohms·cmIEC 60093

FLAME CHARACTERISTICSNominal valueUnitTest method
1.60 mmHB UL 94
atomization
Condition: 100℃*18h< 2.0mgDIN 75201

Supplementary informationNominal valueUnitTest method
Ethylbenzene emissions (Condition: 120 ℃ * 5h)< 8.00µg/gVDA 277
Odor VDA 270
Condition: 23℃*24hGrade 2 VDA 270
Condition: 40℃*24hGrade 3 VDA 270
Condition: 80℃*2hGrade 3 VDA 270

MECHANICALNominal valueUnitTest method
Rockwell hardness
R-level108 ISO 2039-2
tensile strength42.0MPaISO 527-2/50
Tensile strain
fracture20%ISO 527-2/50
Bending modulus2200MPaISO 178
bending strength60.0MPaISO 178
Poisson’s ratio0.39 ISO 527

Process Conditions
injectionNominal valueUnitTest method
Drying temperature85 to 95°C
Drying time3.0 to 4.0hr
Recommended maximum moisture content0.050%
Barrel rear temperature200 to 220°C
Barrel middle temperature230 to 240°C
Barrel front temperature240 to 250°C
Nozzle temperature250 to 260°C
Processing (melt) temperature240 to 260°C
Mold temperature50 to 80°C
Back pressure1.00 to 5.00MPa
Screw speed30 to 70rpm

Notes
1. Typical properties: these are not to be construed as specifications.
2. 0.079 in/min
3. 1 mm/min
4. Condition: 5.5 J
5. 120°C/h
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