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Material Selection Made Easy

Whether you're searching for commodity plastics, high performance polymers, engineering-grade thermoplastics, or anything in between, Roncelli Plastics' material expertise serves as an invaluable guide to determine the best material selection for any application. 

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PEEK Plastics

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List of Materials

Delrin® (Acetal)

Delrin®, also known as Acetal (POM) (polyoxymethylene) is an engineering plastic exhibiting high strength, low friction, and excellent wear properties in wet & dry environments. For applications that require complex or tight tolerances, acetal is a reliable selection due to its great machinability.

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Acrylic (PMMA)

Also known as Plexiglas®, Arcylic is commonly used for indoor and outdoor signage, POP displays, LED lighting panels, and many more applications. Arcylic exhibits qualities similar to glass, but with reduced weight and greater impact resistance. A clear plastic, Arcyllic is also available in various colors.

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Celazole® (PBI)

Celazole® (PBI) is one of the highest performing thermoplastics available today. Celazole offers the highest mechanical properties of any plastic above 400°F, highest heat deflection temperature at 800°F, lowest coefficient of thermal expansion, and highest compression strength of all unfilled plastics.

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ECTFE (ethylene chlorotrifluoroethylene) contains greater strength, stiffness, abrasion resistance, and creep resistance compared to most other fluoropolymers with high impact strength. Additionally, ECTFE contains strong fire resistance and exceptionally smooth surfaces.

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Ertalyte (PET-P)

Containing high strength and rigidity, Ertalyte® is a great choice when tight tolerances are necessary. Ertalyte® also exhibits excellent chemical resistance, good wear resistance, excellent dimensional stability, and better acid resistance in comparison to Nylon or Acetal.

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Fluorosint® (mica-filled PTFE)

Fluorosint® capable of being used continuously to temperatures of 500° Compared to traditional PTFE, Fluorosint® has a higher load carrying capability, a lower coefficient of thermal expansion, while maintaining similar chemical resistance.

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HDPE (high density polyethylene) is a lightweight, strong, durable, and chemically resistant polymer that’s easy to fabricate. HDPE contains low water absorption, high impact strength, high tensile elongation, and high heat deflection.

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LDPE (low density polyethylene) is a soft and pliable polymer with low moisture absorption, and good chemical resistance. It’s good chemical resistance and impact resistance make it a good choice for fabrication.

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Designed to control static electricity, PC-300 is a premium quality polycarbonate with static dissipative surfacing. Additionally, PC-300 contains superior impact resistance, superior flame spread properties, superior chemical resistance, and superior material clarity.

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Polycarbonate (PC)

Polycarbonate (PC) is a strong, transparent, and stiff polymer with superior impact resistance and excellent dimensional stability, even at lower temperatures. Polycarbonate (PC) materials comes in a variety of different grades including general purpose, machine grade, glass-filled, flame inhibiting, and abrasion resistant.

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PCTFE (polychlorotrifluoroethylene) is a fluorocarbon polymer, that exhibits a distinct combination of physical and mechanical properties including chemical resistance, near zero moisture absorption, excellent electrical and flammability properties. Additionally, PCTFE has a useful temperature range of -400°F to 400°F while also containing extremely low outgassing, making PCTFE common in aerospace applications.

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PEEK (polyetheretherketone) is a high performance engineering plastic. PEEK exhibits excellent chemical resistances, rigidity at high temperatures, as well as excellent mechanical strength and dimensional stability. PEEK applications span multiple industries including aerospace, semiconductor, oil & gas, and medical.

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A transparent thermoplastic material with good impact resistance, FDA compliance, and outstanding thermoformability. Often used in applications requiring material clarity and durability.

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Ryton® (PPS)

Often used as an alternative to PEEK when used in moderate temperatures, Ryton® (PPS) contains outstanding chemical resistance, superior heat and steam resistance, good dimensional stability, and high dielectric strength.

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Radel® (PPSU)

Radel® (PPSU) (polyphenylsufone) is a high temperature advanced engineering polymer with outstanding impact resistance. Resistant to hydrolysis when exposed to steam or hot water even over repeated sterilization cycles, and its extremely high impact resistance make Radel® (PPSU) a popular choice the Medical and Life Science industries.

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Noryl® (PPE)

Containing high dielectric strength, a low coefficient of thermal expansion, low moisture absorption, and good dimensional stability make Noryl® an excellent choice for electrical applications. Noryl® is often used as an alternative to Ultem® specifically for applications where high temperature capability is not as necessary.

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Polypropolene (PP)

Polypropylene (PP) provides an uncommon combination of outstanding physical, chemical, mechanical, thermal, and electrical properties. Lightweight, heat-resistant, and semi-rigid, is commonly used for vacuum systems where elevated temperatures and high pressures are routinely experienced.

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Teflon® (PTFE)

Teflon® (PTFE) (polytetrafluoroethylene) is a soft, low friction polymer containing outstanding chemical and weathering resistances. Soft, formable, with the ability to perform well at elevated temperatures makes Teflon® a great choice for bearing grade applications. Additionally, Teflon® has excellent electrical insulating properties that allows it to also be used in electric applications.

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Torlon® (PAI)

Torlon® (PAI) (polyamide-imide) is an extremely strong and stiff advanced engineering polymer that is often used in elevated temperature environments where alternative thermoplastics would lose their mechanical properties. Outstanding bearing grade, resistance to common solvents and acids, and excellent electrical grade make PAI and optimal choice for use in the semiconductor industry.

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Semitron® MDS 100

Developed to provide a combination of high strength, stiffness, and low moisture absorption, Semitron® MDS 100 addresses engineering concerns associated with uncontrolled application environments in the semiconductor industry. Additionally strong dimensional stability provided by Semitron® MDS 100 allows for improved machinability.

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Semitron® MP 370

Containing very low moisture absorption, exceptional machinability, strength and stiffness that exceed unfilled PEEK materials, and high thermal resistance, Semitron® MP 370 allows semiconductor manufacturers design flexibility for test sockets.

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Semitron® MPR 1000

Developed exclusively for the semiconductor industry, Semitron® MPR 1000 is most specifically used for in vacuum chamber applications found in Etch, CVD, and Ion Implant. Containing excellent heat resistance, low out-gassing, low rate of erosion, excellent chip resistance, durability, and machinability makes Semitron® MPR1000 the lowest cost polymer solution with the best in chamber performance.

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Ultem® (PEI)

Ultem® (polyetherimide) contains extremely high dielectric strength, easy machinability, excellent dimensional stability, and excellent thermal resistance. Ultem® can also withstand repeated sterilization cycles in a steam autoclave, making FDA compliant grades available for use in the Medical & Life Science industries.

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One of the highest performing thermoplastics available on the market, Vespel® can continuously operate from cryogenic temperatures to extreme elevated temperatures up to 900°F in spurts. For applications requiring low wear and long lifespans in extreme environments, Vespel® exhibits superior performance. Vespel’s extremely low out-gassing, radiation resistance, and dimensional stability make it optimal for Space applications. 

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