Dimensional stability is the ability of a material to maintain its essential or original dimensions when subjected to varying degrees of temperature, moisture, pressure, or other stress. The inherent material properties as well as the manufacturing conditions determine the dimensional stability. The following materials have improved stability due to inherent low water absorption and thermal expansion properties. Additionally, when manufactured with Westlake Plastics compression molded technology, these products have low internal stress, which improves stability during machining; resulting in decreased machine time and reduced secondary annealing and reprocessing.
Absylux is Westlake Plastics’ family of Acrylonitrile Butadiene Styrene (ABS). Absylux is an economical all-purpose engineering plastic exhibiting good dimensional stability, impact strength, and stiffness. Absylux is a popular choice for prototyping parts where low volumes and easy machining are required. Absylux can also be painted and is easy to bond with adhesives. Absylux is FDA Compliant in natural (beige) and black for food applications.
Absylux CN-P is a conductive ABS (carbon powder filled). Surface Resistivity of 10^2–10^6 ohm/sq). Absylux CN-P is is easy to machine and fabricate. Absylux CN-P is an ideal material for structural applications when high impact, strength and stiffness are required. It can be easily thermoformed in thinner gauges and is bondable.
Absylux FR is Flame Retardant Acrylonitrile Butadiene Styrene (ABS). The material is economical all-purpose fire-retardant product exhibiting excellent dimensional stability, especially as compression molded (a proprietary Westlake Plastics Process). The material is UL 94V0 capable down to 0.625 in thick.
Absylux SD-A is a permanently anti-static Acrylonitrile Butadiene Styrene (ABS) with Surface Resistivity of 10^9–10^11 ohm/sq). The material is a non-carbon filled product, available in both natural and black color. It is ideal for protection against static discharge in electronic applications where contamination from potential sloughing of carbon powder would be concern. Absylux SD-A is easy to machine and fabricate.
Arolux Polyetheretherketone (PEEK) is a semi-crystalline thermoplastic offering a combination of high-performance properties including high temperature resistance, very good wear & abrasion resistance, excellent dimensional stability and exceptional chemical resistance to organic acids, bases and good hydrolysis resistance in boiling water and steam.
Arolux Polyphenylene Sulfide (PPS) is a high performance semi-crystalline thermoplastic with continuous service temperatures up to 240°C. It offers high surface hardness and rigidity, very good chemical and oxidation resistance, very low water absorption, and is inherently flame-resistant (UL 94: V-0). PPS is a popular choice for structural applications in demanding chemical environments at elevated temperatures.
Norylux modified Poly Phenylene Oxide (PPO) is a high strength amorphous engineering thermoplastic offers outstanding mechanical, thermal, and electrical properties along with low moisture absorption and low thermal expansion. Westlake Plastics extrudes and compression molds unfilled and flame-retardant products and compression molds glass reinforced and glass/mineral filled products.
Propylux HS2 is Heat-Stabilized Sheet made from FDA, USP VI compliant polypropylene resin. Its broad chemical resistance, low moisture absorption, hydrolysis resistance, and toughness make it ideal for medical and life science applications. Suitable sterilization methods include steam autoclaving, EtO gas, and cold sterilization. Product is fully lot traceable.
Propylux HS shapes are Heat-Stabilized materials made from FDA, USP VI complaint polypropylene resin. Its broad chemical resistance, low moisture absorption, hydrolysis resistance and toughness make it ideal for medical and life science applications. Suitable sterilization methods include steam autoclaving, EtO gas, and cold sterilization. Product is fully lot traceable.
Westlake’s Radel® WM stock shapes are made exclusively from Solvay’s Radel® polyphenylsulfone (PPSU). Its regulatory compliance profile, and lot traceability make it ideal for use in medical and life science applications. Sterilization methods include EtO gas, radiation, steam autoclaving, dry heat, and cold sterilization.
Tempalux Polyetherimide (PEI) is an amorphous material offering a combination of useful characteristics, including high dielectric strength, high strength at elevated temperatures (up to 180C for extended periods of time), high modulus, and broad chemical resistance. Tempalux is inherently flame resistant with low smoke emission. The material displays property retention and resistance to environmental stress cracking when exposed to a wide variety of chemicals.
Tempalux GF20 is a 20% glass reinforced amorphous Polyetherimide (PEI) polymer, which offers a combination of useful characteristics, including high dielectric strength, high strength at elevated temperatures, high modulus, and broad chemical resistance. Glass fiber reinforcement provides Tempalux GF20 with improved tensile strength, stiffness and improves dimensional stability.
Tempalux GF30 is a 30% glass reinforced amorphous Polyetherimide (PEI) polymer. Tempalux offers a combination of useful characteristics, including high dielectric strength, high strength at elevated temperatures, high modulus, and broad chemical resistance. Glass fiber reinforcement provides Tempalux GF30 with improved tensile strength, stiffness and improves dimensional stability.
Tempalux WM is Westlake Plastics’ medical grade of polyetherimide (PEI). This material is FDA, USP VI and ISO-10993 compliant. Its regulatory compliance profile and lot traceability make it ideal for use in medical and life science applications. Sterilization methods include EtO gas, radiation, steam autoclaving, dry heat and cold sterilization.
Thermalux Polyphenylsulfone (PPSU) is a high performance engineering thermoplastic that offers a superior combination of high performance properties that include excellent thermal stability (HDT of 207°C / 405°F), outstanding toughness, and good environmental stress cracking resistance.
Thermalux Polysulfone (PSU) is an amber colored, semi-transparent, heat-resistant, high performance engineering thermoplastic that offers higher heat resistance and better hydrolytic stability than polycarbonate (PC). It retains its good mechanical properties when exposed to steam and other sterilization techniques.
Zelux CN-P is a conductive Polycarbonate (PC) utilizing carbon powder with surface resistivity dry 105 – 107 ohm/sq.. Zelux CN-P has low outgassing properties, high flexural strength and good thermal stability to 270°F. CN-P is UL94 V-0 rated at 0.030″ and is thermoformable in thinner gauges (0.010" – 0.060") and is easily machined.
Zelux GS is extruded with polycarbonate resin designed for gamma and e-beam sterilization. Product exhibits excellent impact resistance and good strength and stiffness up to 120°C. The polycarbonate resin meets the requirements of USP VI and ISO 10993 biocompatibility standards. Suitable sterilization methods include gamma, e-beam, EtO, and limited cycle autoclaving. Extruded product is fully lot traceable.
Zelux W is a Window grade Polycarbonate (PC) that is optically clear with excellent dimensional stability, toughness, good strength, and stiffness with service temperatures up to 250°F. Zelux W is often used for structural applications when clarity and impact strength are essential including lenses, manifolds, sight glass, and machine guards.