Di-Pak™ R-4528/30

About
RIGID DI-PAK R-4528 Series A black, flame retardant, thermally conductive, high performance series that can be used in all types of electrical components. Combined with its ability to dissipate heat, DI-PAK R-4528 also provides low linear thermal expansion, low shrinkage, and low exothermic heat while curing. Meets UL requirements.&&

Product Description
Generic热塑性聚酯
Material StatusCommercial: Negative
FeaturesExcellent Processability,Good flexibility,Low Viscosity,Low contractility,Flame Characteristics,High Heat Resistance,Thermal conductivity,Insulation
AvailabilitysNorth America

Technical Data
PHYSICALNominal valueUnitTest method
Density1.48g/cm³ASTM D4669
Shrinkage rate
MD0.050 to 0.25%ASTM D2566
Weight(per cubic inch)24g

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch28J/mASTM D256
Notched impact strength of cantilever beam33J/mASTM D256

Electrical performanceNominal valueUnitTest method
Volume resistivity7.2E+13ohms·cmASTM D257
Dielectric strength26kV/mmASTM D149
Dielectric constant ASTM D150
1 kHz4.60 ASTM D150
100 kHz4.40 ASTM D150
Dissipation factor
25℃,100 kHz0.031 ASTM D150

Thermosetting mixed viscosityNominal valueUnitTest method
25℃5050cPASTM D4878
stripping time 
57℃120 to 240min
93℃120 to 240min
Gelation time
25℃1.0 to 1.5hrASTM D2971

MECHANICALNominal valueUnitTest method
Shore hardness
Shaw’s D90 ASTM D2240
Tensile modulus2900MPaASTM D638
tensile strength50.0MPaASTM D638
Tensile strain
fracture0.15%ASTM D638
Bending modulus3150MPaASTM D790
bending strength55.2MPaASTM D790

THERMALNominal valueUnitTest method
Thermal conductivity coefficient0.40W/m/K
Operating temperature195
Thermosetting components 
Component A按重量计算的混合比: 100, 按容量计算的混合比: 100 
Component B按重量计算的混合比: 11, 按容量计算的混合比: 20 

Notes
1. Typical properties: these are not to be construed as specifications.
2. 100 g
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