POLYLAC® PA-758

About
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Product Description
SupplierCHI MEI
GenericABS transparent
Material StatusCommercial: Negative
FeaturesHB
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density 
1.08g/cm³ASTM D792
23℃1.08g/cm³ISO 1183
Melt Flow Rate
200℃,5.0kg3.0g/10minASTM D1238,ISO 1133
Shrinkage rate0.30 to 0.70%ISO 294-4

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength ISO 179
-30℃7.0kJ/m²ISO 179
23℃14kJ/m²ISO 179
Impact strength of cantilever beam notch 
23℃,3.2mm150J/mASTM D256
23℃,6.4mm160J/mASTM D256
-30℃7.0kJ/m²ISO 180-1A
23℃14kJ/m²ISO 180-1A

THERMALNominal valueUnitTest method
Hot deformation temperature 
1.8 MPa, unannealed88.0ASTM D648
1.8 MPa, unannealed77.0ISO 75-2/A
1.8 MPa, annealed99.0ASTM D648
1.8 MPa, annealed97.0ISO 75-2/A
Vicat Softening Temp 
105ASTM D1525 6
A50104ISO 306/A50
B5096.0ISO 306
Linear coefficient of thermal expansion
MD9.0E-51/℃ISO 11359-2

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level
1.50 mmHB UL 94

MECHANICALNominal valueUnitTest method
Rockwell hardness
R-level107 ASTM D785
tensile strength 
yield42.0MPaISO 527-2/50
fracture33.0MPaISO 527-2/50
39.7MPaASTM D638
Tensile strain 
fracture40%ASTM D638
fracture40%ISO 527-2/50
Bending modulus 
1900MPaASTM D790
1900MPaISO 178
bending strength 
53.9MPaASTM D790
57.0MPaISO 178

Process Conditions
injectionNominal valueUnitTest method
Drying temperature85°C
Drying time3.0 to 5.0hr
Barrel rear temperature200 to 220°C
Barrel middle temperature220 to 250°C
Barrel front temperature220 to 250°C
Processing (melt) temperature230 to 240°C
Mold temperature50 to 70°C
Injection pressure4.90 to 7.85MPa
Hold pressure1.96 to 4.90MPa
Back pressure0.490 to 0.981MPa

Notes
1. Typical properties: these are not to be construed as specifications.
2. 0.24 in/min
3. 0.11 in/min
4. 0.079 in/min
5. Rate A (50°C/h), Loading 1 (10 N)
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