High performance plastics are valued for their excellent properties, and used in many demanding applications. High performance plastics such as PEEK, PEI, PSU, FEP and PTFE are characterised by their extraordinary properties in various areas. High performance plastics are primarily used where high demands are placed on the mechanics, the chemical or thermal resistance or on the slippage of the products. PEEK, especially, is an excellent metal substitute for medical applications where the biocompatibility of the material is important. Another example of the high demands on the plastic is the multiple sterilisation cycle with hot steam which are usually only possible with metal-based materials. Even the extremely high pressure requirements for thin-walled extrusions can only be achieved by using high performance plastics.
ULTEM is an amber transparent high performance polymer which combines high strength and rigidity at elevated temperatures with long term heat resistance. Other features include flame retardant making it suitable for aircraft and aerospace applications. Good chemical resistance and FDA compliance leads to numerous applications. Ultem offers excellent dimensional stability combined with broad chemical resistance. Ultem is also inherently flame resistant and low smoke generating. It excels in medical reusable applications requiring repeated sterilization.
Torlon is a high performance non-crystalline engineering thermoplastic. The combination of aromatic groups and imide linkages are responsible for the polymer's exceptional thermal stability. The amide groups impart flexibility and elongation, which results in an engineering plastic with exceptional toughness. It is the highest performing melt processable plastic. It has superior resistance to elevated temperatures. It is capable of performing under severe stress conditions at continuous temperatures to 260°C. It provides greater compressive strength and higher impact resistance than most advanced engineering plastics. It’s extremely low coefficient of linear thermal expansion and high creep resistance deliver excellent dimensional stability over its entire use range. Torlon is an amorphous material with a glass transition temperature of 280°C.
· Exceptional long-term strength and stiffness up to 275°C
· Outstanding wear resistance
· Superior toughness from cryogenic up to 275°C
· Resistant to strong acids and most organics
· Inherent flame resistance
· Low CLTE
· Aircraft hardware and fasteners
· Mechanical and structural components
· Transmission and powertrain components
· Coatings, composites, additives
· Electric motor components
· Semiconductor fabrication and testing
· Oil and gas exploration and recovery equipment
· Bearing retainers
· Thrust washers
Round rods, sheets
Round rods: 6 mm – 100 mm diameter x 1 metre length
Sheets: 3 mm – 50 mm thickness x 1 metre width x 1 metre length
Noryl® modified PPO (Polyphenylene Oxide - Styrene) is an alloy of PPO and styrene.It is considered an ideal engineering plastic choice due to excellent mechanical, thermal and electrical properties combined with good hydrolytic stability over a wide range of temperature and humidity. Noryl is widely used for electrical and structural components since it has excellent insulating properties, flame resistance and self-extinguishing properties (UL – 94) V – 0 @ 0.240” thickness and dimensional stability over a wide range of service temperatures. It is often selected for fluid handling applications since it has low moisture absorption and excellent strength and stiffness. Because of its alloy matrix composition, it is also one of the few non-metallic materials which can be readily electroplated (after an electroless plating surface has been applied using a selective etching process).It is easy to fabricate, paint, and glue. It may be used continuously at temperatures in excess of 110°C.
Electrical insulators and components, aircraft instrumentation, shafts, gear wheels, spacer, pump, valve and fittings, water softener valves, water pump components, surgical instruments, vaporizer and scrubber parts, plated and vacuum metallized parts, manifolds, surgical instruments, scientific & analytical instrument controls.
Automotive, aircraft and aerospace, electrical and electronics, food processing, telecommunications, pumps & valves.
· Partial resistant to petroleum products
· Sensitive to Organic solvents, Alcohol, Acetone, Ethyl acetate etc.
· Round rods : 5 – 200 mm
· Plates : 5 – 50 mm thickness
· Tubes on request
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Polyester finds wide range of uses in food processing, electrical engineering, high precision parts and heavily loaded parts wear applications due to low moisture absorption, high wear & creep resistance and good mechanical strength. There are two types of Polyester products available. PBT possesses higher strength & elongation whereas PET has lower load bearing capacity.
· Very good dimensional stability due to extremely low moisture absorption
· Higher wear resistance
· Very good mechanical strength
· Higher stiffness and hardness
· Very good creep resistance
· Lower coefficient of friction
· Food Grade
· UV resistance & good acid resistance
Material handling, electronics, medical equipment, textile equipment, bottling, automotive, food processing.
Guides, bushes, gears, rollers, wear liners, pulleys, valve seats
· Not recommended for autoclave (prolong exposure to water above 60OC which reduces properties)
· Chemically attacked by strong acids & strong bases at elevated temperatures, phenol, acetone, bromine, fluorine, chloroform, hydrogen fluoride and methyl fluoride.
· Not recommended for alkaline media.
Polyethylene terephthalate (PET): PET is an ideal material offering best of both nylon and acetal. This material offers higher compressive strength and creep resistance coupled with better dimensional stability compared to acetal and better wear properties compared to nylon. Hence it is ideally suited for heavily loaded precision parts subject to wear.
PET LF: This solid lubricant grade is developed to reduce friction & improve the wear properties. This also exhibits superior stick slip characteristics.
POLYBUTYLENE TEREPHTHALATE (PBT): This finds wide range of application in mechanical, electrical, medical equipment because of its excellent chemical resistance, dielectric strength, physiologically safety & dimensional stability. This cable is used for bushes and precision wear liners.
· Round rods : 5 – 100 mm
· Plates : 5 – 50 mm thickness
· Tubes on request
Polyetheretherketone (PEEK) is a highly crystalline thermoplastic with outstanding mechanical, chemical resistance properties that are retained at high temperatures.. Due to its unique blend of properties it finds numerous applications in most demanding hi-tech industries, chemical processing, medical equipment, pump & compressor components. The thermal conductivity increases nearly linearly versus temperature between room temperature and solidus temperature.
· Continuous use temperature 250OC
· Excellent mechanical properties at elevated temperatures
· Excellent electrical properties over a wide range of temperature
· Good mechanical strength at elevated temperature
· Chemical resistance to organic solvents and aqueous solutions
· Excellent thermal and oxidation resistance
· Self-extinguishing (UL – 94) V – 0 @ 0.057” thickness
· Excellent gamma ray radiation
· Good wear resistance
Aerospace, automotive, chemical, defense, electrical & electronics, medical & pharmaceuticals, oilfield, food processing, semiconductor.
Gears, pump spares, seals, valve seats, bushes & bearings, distribution valves, insulation materials, scrap blades, compressor vanes, chip carriers, thrust washers
· Load bearing capacity falls significantly above 150OC
· Sensitive to strong minerals acids, halogens, ketones, phenol
· Needs UV Protection
· Natural PEEK
· PEEK GF (30% Glass reinforced material)
· PEEK CF (30% Carbon fiber filled)
· PEEK LF (Bearing grade)
Sheets: 1 mm – 50 mm thickness x various sizes.
Rods: 6 mm – 100 mm diameter x 1000 mm long