PLASTIC THERMOFORMING PLASIC INJECTION MATERIALS

	HIPS HDD Blister PET-A HDD Tray PP Foam Tray Automotive PP Tray		MATERIALS FOR THERMOFORMED TRAYS AVAILABLE TYPES: PS : Polystyrene PET-A : Amorphous Polyethylene Terephthalate PET-G : Polyethylene Terephthalate with Glycol PP : Polypropylene PVC : Polyvinyl Chloride OTHER LESS FREQUENTLY USED MATERIALS: PPO : Poly-phenylene Oxide ABS : Acronitrile / Butadiene / Styrene PC : Polycarbonate HDPE : High Density Polythylene DEFINITION OF ESD What is ESD? Electro Static Discharge Rapid energy transfer from statically-charged bodies or materials to or from Electro Static Discharge Sensitive electronic devices (ie ESDS devices) Most electronic devices are ESD sensitive. – sensitivity depends on product and design. CLASSIFICATION OF ESD SAFE MATERIAL Based on Surface Resistivity in ohm/* (Ω/*) SR > 10¹² Ω /* insulating   10E9 Ω /* SR < 10E11 Ω /* antistatic ] < 300 V < 48 hrs decay time 10E6 Ω /* SR < 10E8 Ω /* dissipative ] < 100 V < 2 secs decay time SR 10E5 Ω /* conductive ] < 50 V < 2 secs decay time

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