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  2. High-performance plastics - Wikipedia

    en.wikipedia.org/wiki/High-performance_plastics

    There are many synonyms for the term high-performance plastics, such as: high temperature plastics, high-performance polymers, high performance thermoplastics or high-tech plastics. The name high temperature plastics is in use due to their continuous service temperature (CST), which is always higher than 150 °C by definition (although this is ...

  3. FFKM - Wikipedia

    en.wikipedia.org/wiki/FFKM

    Certain grades have a maximum continuous service temperature of 327 °C (621 °F). They are commonly used to make O-rings and gaskets that are used in applications that involve contact with hydrocarbons or highly corrosive fluids, or when a wide range of temperatures is encountered.

  4. Thermoforming - Wikipedia

    en.wikipedia.org/wiki/Thermoforming

    A sheet of hot plastic will be placed on top and the bed sealed, pulling the plastic down over the mold. In the most common method of high-volume, continuous thermoforming of thin-gauge products, plastic sheet is fed from a roll or from an extruder into a set of indexing chains that incorporate pins, or spikes, that pierce the sheet and ...

  5. Plastic extrusion - Wikipedia

    en.wikipedia.org/wiki/Plastic_extrusion

    A common post-extrusion process for plastic sheet stock is thermoforming, where the sheet is heated until soft (plastic), and formed via a mold into a new shape. When vacuum is used, this is often described as vacuum forming. Orientation (i.e. ability/ available density of the sheet to be drawn to the mold which can vary in depths from 1 to 36 ...

  6. Polyimide - Wikipedia

    en.wikipedia.org/wiki/Polyimide

    These properties are maintained during continuous use to temperatures of up to 232 °C (450 °F) and for short excursions, as high as 704 °C (1,299 °F). [14] Molded polyimide parts and laminates have very good heat resistance. Normal operating temperatures for such parts and laminates range from cryogenic to those exceeding 260 °C (500 °F).

  7. Thermoset polymer matrix - Wikipedia

    en.wikipedia.org/wiki/Thermoset_polymer_matrix

    These properties are influenced by a 400-450 °F (204-232 °C) continuous use temperature and a glass transition of 500 °F (260 °C). Bismaleimide resin synthetic pathway and structure This thermoset polymer type is merged into composites as a prepreg matrix used in electrical printed circuit boards , and for large scale structural aircraft ...

  8. Die forming (plastics) - Wikipedia

    en.wikipedia.org/wiki/Die_Forming_(Plastics)

    For products such as plastic sheets or films, cooling is achieved by pulling through a set of cooling rolls (also known as calender or chill rolls), usually 3 or 4 in number. In sheet extrusion, these rolls not only deliver the necessary cooling but also help determine sheet thickness and surface texture (in case of structured rolls; i.e ...

  9. Polypropylene - Wikipedia

    en.wikipedia.org/wiki/Polypropylene

    Polypropylene random crystallinity temperature (PP-RCT), also used for plastic pipework, is a new form of this plastic. It achieves higher strength at high temperature by β- crystallization . [ 29 ]

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