SAMSUNG PP HJ730 - Union Polymer

1 [REV. ]- 1 - DescriptionHJ730 is homo polypropylene resins for injection moldingapplications. This grade is produced by SAMSUNG HIPP technology. CharacteristicsSamsung homo HIPP grade offers superior rigidity as well as excellent meltflowability. This grade conforms with FDA regulation for food application(21 520) and UL746B registered for flame retardancy features and benefits of these are summarized as: High rigidity small deformation under load High surface hardness high scratch resistance High heat deflection temperature high temperature applications Superior melt flowability no flow mark, easy mold filling High crystallization temperature lower cycle timePropertiesunitsHJ730(HIPP) HJ730 (gene ral)MF-1(filled PP)MF-2(filled PP)

2 MIg/dmin20202020 Content%--1020 Flexural Moduluskgf/cm221,00016,50018,50020,500 HDT C137115122124* Data shown above are representative values for reference purposes only,and not to be construed as Heat Resistance Resin for Home Appliances(MI=20)[REV. ]- 2 - Applications Home appliances: Lid of rice cooker, reheatable Tray for M/W oven Base resin for auto compound: Heater case, trim, console boxHEATER CASECOFFEE MAKERTOASTER Physical PropertiesPropertiesTest MethodUnitsHJ730 Melt IndexASTM D1238g/10min20 DensityASTM D1505 Strength at YieldASTM D638kg/cm2430 Elongation at Break%200 Flexural ModulusASTM D790kg/cm221,000 Izod Impact StrengthASTM D256(23 C)

3 HardnessASTM D785R-Scale105 Heat Distortion TemperatureASTM D648 C137 GlossASTM D523%90 Food SafetyFDA-YESUL ApprovalUL94746B* Data shown above are representative values for reference purposes only,and not to be construed as specifications.[REV. ]- 3 - General Processing Guide Typical Processing Conditions;-Feedingzone180-200 C- Plasticating zone190 - 210 C- Metering zone200 - 220 C- Mold temperature30 - 50 C- Cooling Time25 - 40 sec- Injection Pressure800 - 1200kg/cm2- Holding Pressure600 - 1000kg/cm2 The actual injection molding conditions should be adjusted byconsidering molding machine type, mold design and part size.

4 Other InformationThe information in this document can be used for reference only, not to beconstrued as specification. Customers are responsible for determine whether ourproduct and information is suitable fortheir particular purpose and for thecompliance with related ATOFINA assumes no obligation or liability for the informationin this document. Contacts Sales & MarketingTel) 82-2-772-6642~8 Fax) 82-2-772-6618 Product Information & Technical ServicesTel) 82-41-660-6191~5 Fax) 82-41-660-6189411-1, Dokgod Ri, Daesan Up, Seosan Si, Chung Nam, Korea 356-711