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Moulded Part

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Compression isostatic or automatic moulding are typical processing methods for PTFE and PTFE compounds, for the production of semifinished moulded billets, hollow cylinders or complex shaped custom tailored finished parts. The sintered block can be machined in the penultimate production stage, prior to the final stages of lathering, cutting and drilling.

We have explained a few applications of moulded parts made from 3M™ Dyneon™ Fluropolymers hereafter.

Valve Seat

In high performance ball-, control- or butterfly valve applications for the chemical-, petrochemical- and food & pharma industry, the tight shut off performance of the valve is strongly related to the interference of disc and seats. Fluoropolymer based seat designs are most commonly used in harsh, corrosive environments for their excellent chemical resistance, temperature performance and low operating torque capability.

You'll find information about the product groups generally recommended for use in this application here:

Column Packing

Packed columns are typically used to optimize contact surface between two phases in a chemical- or physical process. Packed beds are used in chemical reactors, distillation-, and refining processes or in a scrubber. Fluoroplastics are used as packing materials for their chemical resistance, non stick performance and thermal stability in combination with their ability to create a large surface area.

You'll find information about the product groups generally recommended for use in this application here:

Circuit Breaker

Circuit breakers are a well known requirement for electrical circuits, designed to automatically interrupt electrical power and avoid damage caused by overload or short circuit. PTFE and PTFE compounds are used in high voltage SF6 gas circuit breaker nozzle applications due to their electrical insulation- and thermal resistance characteristics.

You'll find information about the product groups generally recommended for use in this application here:

Separator for Lambda Probe

Located in the exhaust pipe of the car, the lambda probe is the key sensor which measures the amount of oxygen in the flue gas. The sensor‘s input is used to control the fuel mixture and adjusts it when necessary. This optimises the fuel consumption and reduces exhaust emission to the environment. The optimum service temperature of the probe is about 300° C.

With future engine conceptions, the space available for exhaust-gas sensors will be getting ever smaller. In addition, the sensors will be subjected to even higher temperatures. Smaller, lighter, more versatile and above all ready for operation in the shortest possible time: these will be the outstanding advantages of our further developments.

To conform to future stringent exhaust-gas regulations, high-quality materials will be required which can withstand higher temperatures also at those points where connections are made.

3M™ Dyneon™ Fluoropolymers are a perfect match with those requirements, as they combine the ability to withstand highest service temperatures with extraordinary chemical resistance.

Typical products used for separators, corrugated tubes or cable insulations are:

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