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Polyphenylene Sulfide materials offer the broadest resistance to chemicals of any advanced engineering plastic. Also has very low moisture absorption.

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    • PPS (Polyphenylene Sulfide) film is an impact-modified, unreinforced extrusion grade. PPS offers high tensile elongation, unusual flexibility and ductility. Film also has high temperature resistance, impact strength and flexibility. This new grade retains many of the traditional benefits of Fortron® PPS including excellent adhesion to nylons and polyolefins, high chemical resistance and very low fuel permeation. For example: .005" film of Fortron® PPS SKX-382 has a gasoline (CE10) permeability rate of 0.121 g mm/m2/day, which is far less than that of nylon, polyketone and other resins often used with gasoline and other fuels.

      Impact-resistant PPS Fortron® SKX-382 impact-modified polyphenylene sulfide exhibits unusual ductility and flexibility. It has a high melt strength for extrusion or blowmolding as a monolayer or as part of multilayer structures. It adheres well to nylons and polyolefins. Its tensile elongation at break is 25%, while its flexural modulus is 2140 MPa and its notched Izod impact strength is 40 kJ/m2. PPS is generally used in applications where high temperature and chemical resistance are required. A continuous use temperature of 428 degrees F and short term properties at 500 degrees F allow PPS to be used in automotive, electronic (solderability) and many OEM applications. PPS offers the broadest resistance to chemicals of any advanced engineering plastic. They have no known solvents below 392°F (200°C) and are inert to steam, strong bases, fuels and acids. Minimal moisture absorption and a very low coefficient of linear thermal expansion, combined with stress-relieving manufacturing, make PPS ideally suited for precise tolerance machined components. As an unfilled material, PPS is easily machined to close tolerances. It is ideal for structural applications in corrosive environments or as a lower temperature replacement for PEEK.
    • Fortron® PPS SKX-382 film color is Off White
    • PPS - Polyphenylene Sulfide (Generic) is available in Virgin (unfilled) or 40% Glass-Filled Grades
      Linear polyphenylene sulphide is a partially crystalline material that provides very high mechanical performance combined with excellent resistance to heat and chemicals (continuous service temperature resistance up to approximately + 464 °F), high dimensional stability and creep strength. Its LOI is one of the highest among polymers. Excellent hardness and rigidity are other characteristics of PPS. By virtue of its strength and affordability, it bridges the gap between the partially crystalline industrial plastics and PEEK. Thanks to reinforcement with 40% glass fibres, strengths are attained that are comparable with light metals.

      Typical Applications:
      Components in equipment construction, pump parts, fan elements, impellers, valve balls/seats/ seals, plastic parts and motor vehicle parts.
    • We offer PPS and PPS-40GF rods from in 3/4" to 2" diameters.
    • Also see Ryton® R4 (40% Glass-Filled PPS from Solvay)
    • Ryton PPS 40% Glass
    • Techtron® PPS Sheets, Rods and Tubes offer the broadest resistance to chemicals of any advanced engineering plastic. They have no known solvents below 392°F (200°C) and are inert to steam, strong bases, fuels and acids. Minimal moisture absorption and a very low coefficient of linear thermal expansion, combined with stress-relieving manufacturing, make PPS ideally suited for precise tolerance machined components. Techtron® PPS is ideal for structural applications in corrosive environments or as a replacement PEEK components operating at temperatures below 425° F.
    • Techtron® PPS CMP Retaining rings used in CMP machines utilize high-purity & long-wearing Techtron PPS.

      PPS Retaining rings that hold 300 mm semiconductor wafers during chemical mechanical planarization (CMP) must withstand repeated exposure to harsh chemicals and abrasives. One way that semiconductor fabricators gain the stiffness, purity and toughness needed in CMP rings is to use rings machined from Techtron® PPS. These shapes are made from a proprietary grade of Fortron® polyphenylene sulfide (PPS).

      Techtron® PPS shapes extend ring life significantly compared to acetal, polyester and generic PPS. Process experience shows that rings made from Techtron® PPS stock shapes withstand 2,000 to 5,000 CMP cycles compared to 1,000 to 2,000 cycles for rings made of these other generic PPS materials.

      In CMP, a layer of silicon dioxide, aluminum, copper or other material on a semiconductor wafer is polished to an exacting flatness before circuitry is etched on it. The slurry used varies in abrasiveness and pH depending on the surface material. During CMP, a polishing pad rotates against a wafer mounted on a ceramic base and held in a retaining ring. In addition to withstanding the polishing compound, the ring must be dimensionally stable and cannot flex during polishing.

      Techtron® PPS blanks are 12- to 24-in.-long tubes that are machined into retaining rings varying in height from 0.33 to 1.0 in. The 12-inch-diameter rings (I.D.) used with 300 mm wafers have wall thicknesses of 0.375 to 2.5 in. The Techtron® PPS used for ring blanks is a high-toughness grade that reduces chipping and breaking and has a tensile elongation of up to 25 percent.
    • Techtron HPV is an extruded form of polyphenylene sulfide with reinforcement and internal lubricants, offering excellent wear resistance, strength, dimensional stability and chemical resistance. Techtron HPV is an ideal material for applications where standard engineering plastics (nylon, acetal, and polyesters) fall short, and advanced materials (polyimides, PEEK, and polyamide-imides) are over-engineered solutions.
      • Note: Rods are sold in Standard 1 meter lengths (3.28 feet) (39.3 inches)
    • RADEL R-7625 polyphenylsulfone resin (PPSU) was developed specifically for aircraft interior applications. The product complies with the FAA regulation 14CFR Part 25 Appendix F, offering vertical burn resistance, very low smoke generation and, through the use of proprietary additives, low heat release values in the Ohio State University (OSU) rate of heat release method. It also generates low flaming-mode toxic gas emissions.

      This PPSU resin offers reliable toughness and good resistance to most fluids found in the aviation industry, as well as exceptional hydrolytic stability and high heat deflection temperature. Parts can be fabricated from RADEL R-7625 resin using conventional injection molding equipment. The material has excellent flow characteristics, readily filling complex parts with thin walls or long flow lengths. RADEL R-7625 resin is available in light colors and is formulated for integrally colored applications. This product exhibits similar UV resistance to RADEL R-7300 resin, a material that has been used in this kind of application for over a decade.
    • This product was formerly known as PXM-98098.
    • Radel R-7159 polyphenylsulfone (PPSU) was developed specifically for aircraft interior applications. The product complies with the FAA regulation 14CFR Part 25 Appendix F, offering vertical burn resistance, very low smoke generation and, through the use of proprietary additives, low heat release values in the Ohio State University (OSU) rate of heat release method. It also generates low flaming-mode toxic gas emissions.

      This resin offers good resistance to most fluids found in the aviation industry and is available in a natural color that is designed to accept aircraft paint systems for aesthetic parts. The painting function enhances the chemical resistance of the polymer and provides the final step in color coordination.

      Colors available: - Natural: Radel R-7159 NT 50
    • Radel® R-7400 and R-7300 polyphenylsulfone resins were developed specifically for aircraft interior applications, and through the use of a proprietary flame retardant package, offer low heat release, low smoke generation, and low toxic gas emissions. These resins comply with the FAA regulation 14CFR Part 25.853 Appendix F. In addition, they have excellent impact resistance and ESCR when exposed to fluids typically used by the aerospace industry, reducing the need for annealing or protective films.

      These resins offer exceptional hydrolytic stability, similar to that of UDEL® polysulfone, with improved toughness, higher heat deflection temperature, and better resistance to environmental stress cracking.

      Radel R-7300 and R-7400 resins can be fabricated using conventional injection molding equipment. These materials have excellent flow characteristics, readily filling complex parts with thin walls or long flow lengths.

      While the two resins exhibit nearly identical performance characteristics, Radel R-7300 is formulated for applications requiring light colors and R-7400 is preferred for applications specifying darker colors.

      Chemical Resistance:
      One of the outstanding characteristics of both Radel R-7300 and R-7400 resins is resistance to many commonly used aviation fluids. Three test methods, unstressed immersion, stressed with a 5-inch radius curve, and stressed with a variable radius curve fixture, were employed to evaluate resistance of Radel resins to Skydrol® LD-4; 1,1,1-trichloroethane; Jet fuel A; methyl ethyl ketone; toluene; isopropanol; and Skydrol 500B. In all cases, Radel R-7000A resin exceeded industry requirements and was clearly superior to the competitive materials. Radel R-7300 and R-7400 resins, while providing improved processing and physical properties, have the same base resin composition as R-7000A resin and will yield similar chemical resistance results.

      Typical Applications of Radel® R-7400 PPSU:
    • Passenger service units - Window reveals and shades - Video shrouds - Flight deck components - Air vents and return grilles - Galley carts and boxes
    • Radel R-7535 polyphenylsulfone resin was developed specifically for aircraft interior applications. This product complies with the FAA regulation 14CFR Part 25 Appendix F, offering vertical burn resistance, very low smoke generation and, through the use of proprietary additives, low heat release values by the Ohio State University (OSU) rate of heat release method. IT also generates low flaming-mode toxic gas emissions. This resin offers reliable toughness and good resistance to most fluids found in the aviation industry, as well as exceptional hydrolytic stability and high heat deflection temperature. Parts can be fabricated from Radel R-7535 using conventional injection molding equipment. Radel R-7535 is formulated for darker, integrally colored applications where there is low UV exposure. Radel R-7535 was formerly known as PXM-98099.
    • Radel® R-5500 polyphenylsulfone (PPSU) is an amorphous high performance thermoplastic offering better impact resistance and chemical resistance than polysulfone and polyetherimide (Ultem* PEI). Radel R has virtually unlimited steam sterilizability. This factor makes it an excellent choice for medical devices as steam autoclaves are widely used to sterilize medical devices. Radel R is stocked in natural (bone white) and available in transparent and custom colors. It is commonly used in sterilization trays, dental and surgical instrument handles, and in fluid handling coupling and fitting applications. It is suitable for use in electronic assembly equipment and devices that must withstand solder temperatures. Radel has a heat deflection temperature of 405°F (207°C).

      Applications:
    • Medical Wands: - Radel rod is intricately machined into smooth, comfortable handles used as structural components in medical applications. These handles offer superior impact resistance and autoclavability. (Prior material: Stainless Steel)
    • Endoscopic Probe Positioning Ferrule - For endoscopic surgical devices, a positioning ferrule on the instrument handle is intricately machined from Radel R rod. (Prior material: Stainless Steel)
    • Biocompatible Medical Applications, such as insulin pens, blood glucometers, tubing, sterilization trays, and cauterization devices.
    • End caps and other small components for filtering equipment used in the pharmaceutical, electronics and food industries. (Prior materials: Stainless steel, Ultem* PEI)

      Engineering Notes: Although Radel R has been approved for use in a variety of medical devices, it is not USDA compliant and so it is not appropriate for food contact applications.
    • Radel is not a wear material, and its properties degrade when exposed to sunlight.
    • Sustason PPSU MG (Radel® R)
      Sustason PPSU MG offers incredible toughness in applications that receive repeated sterilization. With a high heat deflection temperature of 420° F it can absorb tremendous impact without cracking or breaking. Sustason PPSU MG (Radel® R) meets ASTM D6394, is FDA compliant, and USP Class VI compliant

      Sizes:
    • Sheets: 3/8" - 2" x 24"x 48" (9.52mm to 50.8mm thickness) x (610mm x 1220mm)
    • Rods: 1/4" - 6" diameter (6.35mm to 152.4mm diameter)
    • EUROPLEX® PPSU sheets for aircraft applications - Thanks to their outstanding fire performance, EUROPLEX® PPSU sheets are used in the interior of airplanes. The sheets are available in opaque and transparent flameproof versions. In addition to FST (Flame/Smoke/Tox) requirement according to FAR 25.853 and ABD 0031, they also meet the specifications of the so-called OSU Heat Release Test (FAR 25.853 (d)). As a result, EUROPLEX® PPSU is a preferred material for large-scale components in aircraft cabins. Its high stability and resistance to chemicals are additional pluses for this area of application. The opaque sheets feature a matte surface structure (hair cell) and are available in a variety of colors. The transparent sheets have a smooth surface on both sides and also come in different colors. As an additional option, sheets may be ordered with functional surface coatings, for example with scratchproof coatings. The sheets can be processed with customary plastic processing equipment. The opaque material is typically used in paneling for walls, doors, and ceilings, while transparent sheets are used in the window elements of the cabin.
    • Radel® R-5100 is an opaque, general purpose polyphenylsulfone (PPSU) that offers exceptional hydrolytic stability, and toughness superior to other commercially-available high temperature engineering resins. This material also offers a high deflection temperature and outstanding resistance to environmental stress cracking. Radel® polymers are inherently flame retardant, provide excellent thermal stability and possess good electrical properties.
    • Ryton polyphenylene sulfide (PPS) has a long standing reputation as a high performance engineering thermoplastic. With an exceptional degree of inherent thermal stability, dimensional stability, chemical resistance, and flame resistance, combined with excellent mechanical and electrical properties, Ryton PPS can provide superior performance over a broad range of critical design requirements. Ryton also possesses excellent processing characteristics necessary to meet demanding, high precision applications.
    • RADEL® R-7700 PPSU (polyphenylsulfone) sheet was developed specifically for many aircraft interior applications. Through the use of a proprietary flame retardant package, this resin offers low heat release, low smoke generation, andlow toxic gas emissions, thereby complying with the FAA regulation 14CFR Part 25.853 Appendix F. In addition, it has excellent impact resistance and meets typical industry requirements for resistance to aerospace fluids, even under stress.

      RADEL R-7700 thermoplastic sheet has demonstrated formability into large complex geometries with relative ease on conventional thermoforming equipment. (For more information on thermoforming, ask your sales representative for Technology Letter 159).

      RADEL R-7700 thermoplastic sheet is available in a variety of colors. Custom color matching can also be provided.
    • RADEL is a registered trademark of Solvay Advanced Polymers, L.L.C.


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