Kingfa JH820 DMNC001

About
Kingfa JH820 DMNC001 is a Polycarbonate (PC) material. It is available in Asia Pacific or North America for injection molding. Important attributes of Kingfa JH820 DMNC001 are: Flame Rated Heat Resistant High Stiffness Impact Resistant Light Diffusion Typical applications include: Appliances Business/Office Goods Lighting Applications Packaging&&

Product Description
SupplierKingfa
GenericPolycarbonate
Material StatusCommercial: Active
FeaturesGood Rigidity,Low Light Diffusion,High impact resistance,High Heat Resistance
AvailabilitysNorth America,Asia Pacific
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.19g/cm³ASTM D792
Melt Flow Rate
300℃,1.20kg18g/10minASTM D1238
Shrinkage rate
MD:23℃0.50 to 0.70%ASTM D955

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch
23℃,3.2mm680J/mASTM D256
Notched impact strength of cantilever beam
23℃,3.2 mm无断裂 ASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature
0.45 MPa, unannealed, 6.4 mm136
1.8 MPa, unannealed, 6.4 mm125

Electrical performanceNominal valueUnitTest method
Surface resistivity1.0E+15ohmsASTM D257
Volume resistivity1.0E+16ohms·cmASTM D257
Dielectric strength
1.6 mm28kV/mmASTM D149

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level
1.60 mmV-2 
3.20 mmV-2 

MECHANICALNominal valueUnitTest method
Rockwell hardness
R-level118 ASTM D785
tensile strength62.0MPaASTM D638
Tensile strain
fracture100%ASTM D638
Bending modulus2200MPaASTM D790
bending strength95.0MPaASTM D790

Process Conditions
injectionNominal valueUnitTest method
Drying temperature120°C
Drying time4.0 to 6.0hr
Barrel rear temperature240 to 270°C
Barrel middle temperature260 to 280°C
Barrel front temperature265 to 290°C
Processing (melt) temperature240 to 290°C
Mold temperature60 to 120°C
Back pressure0.300 to 1.00MPa

Notes
1. Typical properties: these are not to be construed as specifications.
2. 23°C
3. 2.0 in/min
4. 0.079 in/min
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