三星设计1Cheil Industries Inc.Design Guide forThin Wall ProductDesign Guide For Thin Wall ProductsDesign ConceptMaterial selectionGoalThin wallLow weight Minimum Size Reduction of Cycle time High Productivity Saving Material Optimum DesignProcessing technologyCheil Industries Inc.R&D,Application Development Center2Last Updated DEC 07 1999Design Guide For Thin Wall ProductsMaterial selectionRequirementThick Thin >200:1High Flow Length High Impact Strength Good Appearance Stiffness Heat Resistance Mechanical Integrity Flame ResistanceResin Flow length: Spiral Flow(L/T)100:1 ~ 150:1Notch Izod Impact Test, Low Temperature Impact Test Low Gloss, UV Resistance: deltaE 1~2 Neat engineering Plastics: Flexural Modulus- 2,000MPa Reinforced plastics : Flexural Modulus……