Semiconductor Plastic Solutions

SEMICONDUCTOR PLASTIC SOLUTIONS Plastic Experts Piedmont Plastics is your premier wholesale distributor of performance plastic materials for the semiconductor industry. We offer a range of plastic products specifically engineered to withstand critical environments. Our Materials With numerous locations across North America Piedmont Plastics always has what you need in stock. Typical Applications Some of our popular materials for wafer handling and wet process applications include Wafer Handling Wet Process Systems PEEK Polypropylene PET PVC and CPVC PPS Polypropylene Fluoropolymers PVDF ECTFE PFA Fluoropolymers PTFE PCTFE PFA Our materials are incredibly versatile making them suitable for a wide range of applications in wafer manufacturing. Some of these applications include Wafer Handling Wet Process Systems Spin Discs Chamber Walls Wafer Chucks Chamber Linings Wafer Grabbers Tanks Bezels Shower Heads Wet Bench Structures Wafer Motion Gears The Piedmont Difference Customer service is fundamental at Piedmont Plastics. This commitment to you means you can rely on us for FIND YOUR NEAREST BRANCH piedmontplastics.comlocations Custom-Cut Services On-Time Shipping Fabrication Support Industry Expertise Local and Nationwide Stocking Quality Management Systems And More Wafer Handling Typically involve precision machined parts used to move or secure the wafer or that are near the wafer during chamber processing. These materials usually function near room temperature and are selected based on Chemical or pH resistance dimensional stability tight tolerance machining capability and purity. Material Chemical pH Resistance Dimensional Stability Machine Fine Features Flame Factory Mutual Wear Properties Cost PP Medium Low Low Available High POM-C Minimal Low Low Available High PET Better in Acid than POM-C Medium-High Medium No Superior PVDF High Up to pH 11 Medium Medium Yes Medium ECTFE High pH 1-14 Medium Medium Yes Medium PTFE Completely Inert

Lowest Low Yes Medium PEEK Excellent High Excellent No High Wet Process Applications Involve products that make up the structural components of the equipment or bench. These materials typically function near room temperature and are selected based on FM4910 or a suitable flammability rating chemical resistance purity flatnessweldability and consistency of color. Material Chemical pH Resistance Dimensional Stability Purity Flame Factory Mutual Weld Retention Cost FR-PP Weak acid Base RT Low Poor Leaching Yes Low CPVC Weak acid Base OK Low Low Moderate Yes Medium PVDF High Up to pH 11 Very Good Heat 175C Excellent Yes High ECTFE pH 1-14 Better Heat - 240C Excellent Yes High PFA Inert Best Heat - 305C Best Yes High Chemical Resistance in Wet Process LDPE HDPE PP PVC PC Acrylic PTFE PFA PET PEEK PPS Acids Dilute A A A A A B A A A A A Acids Concentrated A A A A D D A A C C C Alcohols A A A A B D A A A A A Aldehydes B B A D C B A A B A A Bases A A A A D C A A D A A Esters B B B D D D A A A A A Aliphatic Hydrocarbons C B B A D B A A A A A Aromatic Hydrocarbons C B C D D D A A A A A Halogenated Hydrocarbons D C C D D D A A C A A Ketones B B B D D D A A A A A KEY A Excellent Over Time B Good Short Term C Limited Brief Contact D Poor Unstable on Contact FIND YOUR NEAREST BRANCH piedmontplastics.comlocations