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Craftech manufactures
precision machined and molded
plastic fasteners and components in a wide range of
plastic materials from commodity to exotic.
The
following is a selection of plastic materials
that are regularly processed in
our manufacturing facility.
Select material names below for a brief description and access to property data.
| CPVC
- Chlorinating PVC results in a polymer that has all of PVC’s good
qualities including chemical resistance, plus improved fire retardance,
weatherability, a higher maximum working temperature and light-fastness.
The ability to bend, shape, and weld CPVC enables its use in a wide
variety of process applications including tanks, scrubbers, and
ventilation systems. Property Data |
Nylon 46 - Bridges the price-performance gap between traditional nylons and high performance materials. Suitable for both extrusion and injection molding, Nylon 46 offers a range of functionality including extensive UL classifications and specialized wear and bearing grades. | PVDF
(Kynar)
- Polyvinylidene fluoride has a useful temperature range of -148ºF to 302ºF. It has good strength, weatherability,
creep
resistance, and like some other chlorinated engineering plastics, will
not support combustion in air. PVDF is
used generally in applications requiring high purity, strength, and
resistance to solvents, acids, bases as well as having a V-O rating. Property Data |
| Delrin® (Acetal, Celcon®) - Polyoxymethylene (POM), displays good impact resistance, dimensional stability and outstanding surface hardness due to their high degree of crystallinity. They have high dielectric strength and are resistant to many solvents. They also exhibit negligible water absorption. Typical applications include roller bearings, gears, reels, counters, control cams, valves, and pump parts | PCTFE (Kel-F) - Polychlorotrifluoroethylene is highly transparent. It also exhibits good electrical properties, and is resistant to most common solvents at room temperature. Kel-F is a fluorochemical product which offers the unique combination of physical and mechanical properties, nonflammability, chemical resistance and near zero moisture absorption. PCTFE has a temperature range of -400°F to +400°F. It also has extremely low outgassing, making it well suited for use in aerospace and flight applications. Compression, impact and tensile strength are high over a wide temperature range. | RADEL® A-200 - is a polyethersulfone resin offering high heat deflection temperatures, excellent toughness and dimensional stability, and superior resistance to steam, boiling water, and mineral acids. Other desirable properties include thermal stability, creep resistance, and inherent flame resistance. This medium viscosity grade can be used for either extrusion or injection molding. It is transparent and injection-moldable to close tolerances. Property Data |
| Engage® - Ethylene alpha-olefin copolymer bridges the gap between plastics and rubber properties. Key performance benefits include toughness, flexibility, light weight, high clarity, and UV stability. It resists low temperature brittleness and can be engineered to offer specific levels of flexibility to meet a range of technical requirements. | PEEK™
- Polyetheretherketone is a
material which has excellent chemical resistance and is rated for
continuous service to 470ºF. It is tough and strong, with low creep,
and has excellent fire safety ratings. It tolerates
radiation to 1100 M rads without undergoing significant change.
Applications include engine parts, aerospace and semiconductor components.. PEEK, 30% Glass-Filled - has an increase in flexural modules and a reduction in expansion rate. This grade is ideal for structural applications that require improved strength, stiffness or stability, especially at temperatures above 300°F. Property Data Craftech manufactures PEEK fasteners. |
RADEL® AG-330 - is a 30% glass fiber reinforced polyethersulfone compound. Adding glass fiber to Radel A-300 polyethersulfone substantially increases the rigidity, tensile strength, creep resistance, dimensional stability, and chemical resistance of the material, while maintaining most of its other basic characteristics. The combination of structural properties and cost effectiveness makes this resin an attractive alternative to metals in many engineering applications. Radel AG-330 is an opaque, grayish material in its natural form and may be readily colored. Property Data |
| G10/FR4 is a phenolic laminate, which can be fabricated to tight tolerances for medical and aerospace production parts. G10/FR4 material has superior mechanical properties, particularly it's extremely high strength and high dimensional stability over temperature which allows it to hold details of threads and thin features for demanding insulation applications. G10/FR4 offers excellent chemical resistance and electrical properties under dry and humid conditions. G10/FR4 features high flexural, impact, superior mechanical strength and bond strength at temperatures up to 285°F. | PEEK-HT
(High Temperature) is a unique high performance polymer for
applications requiring superior high-temperature resistance. With a
glass transition temperature of 315°F and a melting temperature of 703°F,
this semi-crystalline, unreinforced polymer offers all the key
characteristics of standard PEEK including toughness, strength and
chemical resistance. Property Data Craftech manufactures PEEK parts. |
RADEL® R-5000, R-5100 NT15, R-5500 - are polyphenylsulfone resins offering exceptional hydrolytic stability, and toughness that is superior to other commercially-available, high-temperature engineering resins. They offer high deflection temperatures and outstanding resistance to environmental stress cracking. The polymer is inherently flame retardant, and also has excellent thermal stability and good electrical properties. Radel R-5000 resin is a transparent injection molding grade. R-5100 NT15 is an opaque general purpose injection molding grade and R-5500 is a transparent extrusion grade. Property Data |
| Halar® (ECTFE) - Ethylene-Chlorotrifluorethylene copolymer exhibits better mechanical properties than many other fluoroplastics. But like other fluoroplastics, its flame retardance, chemical resistance and low dielectric constant remain constant over a wide temperature range. These qualities make it suitable for use in such products as electrical insulation, monofilament, tank linings, housings, and electrical components. It may be usefully employed at temperatures from the cryogenic range to about 330ºF. Product Data | PEEK-UHP
(Ultra-High Purity) is
specially manufactured to meet the strictest requirements for purity in
clean rooms, wet processing, pharmaceutical processing and analytical
chemistry applications. Offering the mechanical, chemical, thermal and
tribological properties of standard Victrex grades, PEEK-UHP contains no
components that could leach into the fluid stream or outgas in vacuum or
high heat environments. Property Data PEEK,
30% Carbon-Filled offers designers optimum wear resistance and
load carrying capabilities in a PEEK-based product with higher thermal
conductivity. Property
Data |
Rexolite is one of the best dielectric materials known with a dissipation factor 200 times better than nylon. In contrast with other high temperature, ultrahigh frequency dielectrics, Rexolite has the rigidity and ability to resist deformation under load. These characteristics are extremely important where assembled insulators must withstand compression without yielding and loosening over long periods of time. Rexolite 1422 has a combination of good physical and excellent electrical properties including low and stable dielectric constant. These properties make this material suitable for precision components. Rexolite 2200 has a glass mat reinforcement to provide greater temperature stability and strength. It is highly suited for missile and other applications where extreme cold, thermal shock and mechanical stress are encountered. |
| Isoplast™ - Impastmodified urethane resins are high tensile strength, chemically resistant resins originally developed for medical use. They are available in long glass fiber-filled grades. Isoplast combines the toughness and dimensional stability of amorphous resins with the chemical resistance of crystalline materials. The long fiber reinforced grades are strong enough to replace some metals in load bearing applications. | PEEK,
T-series is a range
of proprietary blended products based on VICTREX®PEEKTM polymer and
Celazole® polybenzimidazole (PBI) offering excellent mechanical
performance. The TU-60 grade is unfilled, unreinforced PEEK/PBI
blend suitable for high performance in high temperature and
high-strength applications. TF-60V is glass-reinforced for even
greater rigidity and dimensional stability while maintaining many of the
useful characteristics of the unfilled grade. The glass reinforcement
yields a product with an exceptional strength-to-weight ratio and
increased tensile strength. Property
Data Craftech manufactures PEEK parts. |
Ryton® PPS - This
exceptionally strong, thermally stable, corrosion resistant engineering thermoplastic
retains structural integrity under the most demanding conditions of temperature and
physical abuse. In continuous-service applications, Ryton® PPS boasts UL temperature
indices up to 240ºC with outstanding dimensional stability, and it can withstand
short-term exposures to temperatures greater than 500ºF. It is inherently flame retardant
and exhibits low smoke emission and nontoxic gas generation. Ryton® PPS is resistant to a
broad spectrum of solvents, organic acids and alkalies. Property Data Craftech manufactures Ryton PPS parts. |
| IXEF - 1521 is a 50% glass-fiber reinforced, flame retardant polyarylaminde which exhibits high strength and stiffness, outstanding surface gloss, and excellent creep resistance. The compounds in this family are characterized by creep resistance at high stress levels, high flow, low and slow moisture pickup and excellent dimensional stability. IXEF 1521’s glass transition temperature of approximately 185°F (85°C) offers remarkable rigidity for a polymeric material and its combination of properties makes the material an excellent candidate for metal replacement in many market areas. Property Data | PES® - Crystal clear polyethersulfone has truly outstanding creep resistance, dimensional stability, and excellent mechanical properties. It can withstand continuous use in air and water at temperatures to above 350ºF. It has low flammability and minimal smoke emission during burning. Its weatherability and solvent resistance are also good. Since PES is sterilizable, it has a wide variety of medical applications. Other applications include electronic components of all types, and structural parts. | TecaMax™ SRP (Primospire) exhibits excellent mechanical properties, remarkably high-pressure resistance, high scratch and abrasion resistance, outstanding chemical resistance, and dimensional stability. High strength is achieved without recourse to glass or other fillers, which can offer paths for degradation and failure. TecaMax SRP also has inherent flame resistance and isotropic mechanical properties. Industrial applications include aerospace, medical, semiconductor and electronics. Property Data |
| LCP - Vectra® Liquid Crystal Polymer grades offer advantages over metal, thermosets and other thermoplastics materials. Advantages include excellent chemical and hydrolytic stability, corrosion resistance, thermal stability, dimensional stability and precision moldability. Additional good properties include creep resistance at elevated temperatures, high strength and high continuous use temperatures, very high abrasion resistance and excellent electrical insulation properties. All grades have UL 94 V-0 flammability ratings and most grades have low smoke ratings. Property Data | PFA® - Perfluoroalkoxy resins, which are marketed under the Teflon® trademark, have properties similar to FEP and PTFE. However, unlike FEP, PFA may be used to temperatures of approximately 500ºF. While PFA shares PTFE’s chemical resistance and low coefficient of friction, it is also a moldable, and extrudable material. Some applications include packing and seals, cable sheathing, and fire-retardant insulation. | Teflon®
(PTFE) - An
extremely low coefficient of friction makes Polytetrafluoroethylene the
ideal choice where surface wear might otherwise be a problem. PTFE also
exhibits a useful service life from below-100ºF, to temperatures of
over 500ºF.
Torlon® (PAI) - Polyamide-imide possesses great mechanical strength and has a continuous temperature range to 500°F. It is flame retardant and gives off almost no smoke when burned and has the ability to withstand radiation and resistance to most chemicals at room temperature. This combination of assets makes it a good metal substitute for aerospace and electronic applications |
| Lexan® (PC) - Polycarbonate exhibits the highest impact strength over a range of temperatures from -60ºF to 270ºF. It is fine for all precision parts, or where transparency is desired. Its water-clear transmittance (89%) makes it excellent for visors or guards. It shows good creep resistance and has a temperature-independent dielectric constant, as well as good insulating properties. | Polycarbonate - This material exhibits the highest impact strength over a range of temperatures from -60ºF to 270ºF. It is fine for all precision parts, or where transparency is desired. Its water-clear transmittance (89%) makes it excellent for visors or guards. It shows good creep resistance and has a temperature-independent dielectric constant, as well as good insulating properties. | UHMW® - While Ultra-High Molecular Weight Polyethylene retains the inherent qualities of low-density polyethylene, its increased toughness allows its use in a wide variety of rugged applications. It is commonly employed to provide rollers, cams, impellers and bumper guards. Because of its high lubricity, it is also used to coat conveyer-belts, ramps and hoppers. UHMW’s imperviousness to attack by steam and chemicals, and its continued good performance at low temperatures, has also enabled it to gain FDA approval for a variety of applications within the food and drug industries. |
| MELDIN®7000
(PPE)
series of materials exhibit
extremely high geometric stability at elevated temperatures from
cryogenic through 600°F in continuous operation and in intermittent
operations at temperatures up to 900°F. A thermosetting polyimide,
MELDIN 7001 is an unfilled grade offering maximum mechanical properties
and high chemical resistance. More ductile than ceramics, and with
lighter weight than metals, MELDIN 7001 is a popular choice for
structural parts in aerospace and other applications. It is ideal for
electrical and thermal insulating applications such as standoffs,
insulators in electronic components and insulators for threaded nuts.
MELDIN 7021 is a self-lubricating grade with 15% by weight graphite
fillers, encapsulated by the base polyimide resin. With its low
co-efficient of friction and high heat resistance, MELDIN 7021 provides
the best all-around choice for high temperature bearings, seals, and
other low-wear applications. Property Data |
Polyethylene
(PE) - Because of
its flexibility at low temperatures, excellent electrical resistance and low dielectric
constant, Polyethylene is unique. PE’s self-lubricating properties also make it ideal
for applications such as rollers, skids and other end-uses which call for a non-stick,
low-friction material. PE is available in a wide range of densities and formulations.
Polypropylene (PP) - has good impact resistance and structural rigidity. It is unaffected by any solvent at room temperatures. It has excellent insulating properties and is extremely lightweight. Its high fatigue strength makes it a top choice under cyclic loading conditions. Polystyrene (PS) - is naturally clear. It exhibits excellent chemical resistance and is more resistant to irradiation than is PE or PP. Electrical resistance is also good. This, plus the ease with PS can be painted or shielded, has led to extensive electrical and electronic applications. PS is also often used in appliances and housings. Special high gloss and high impact grades are also widely available. |
ULTEM®
1000 - Unreinforced
polyetherimide (PEI) keeps its hardness, and mechanical properties from -40ºF, up to temperatures of 356ºF.
It is radiation-resistant, microwave transparent, highly resistant to acidic
solutions and naturally flame-retardant. It is ideal for
applications requiring consistent dielectric properties over a wide
frequency range. Because of its unequaled
properties, ULTEM is the ideal replacement for steel and other metals. Property
Data
Craftech manufactures Ultem 1000 and 2300 parts. ULTEM 2300 - is a glass reinforced version of ULTEM 1000 which provide even greater rigidity and improved dimensional stability while maintaining many of the useful characteristics of basic Ultem. Both Ultem 1000 and 2300 parts are used in applications for medical devices, analytical instrumentation, electrical/electronic insulators (including many semiconductor process components), aerospace and a variety of structural components. Property Data |
| Noryl® (PPE) - Modified polyphenylene ether is one of the more widely known engineering plastics and has gained UL and FDA approval for a broad spectrum of moldable and foamable grades. It has good impact strength at low temperatures and is resistant to many agents, including steam. It may be furnished in either unreinforced or reinforced grades and remains stable when processed. Yield strength of reinforced grades is comparable to aluminum. Typical end uses include computer and electric housings, automotive body parts, and piping. |
Polysulfone (PSO) - is a naturally transparent, true engineering plastic whose electrical and mechanical properties are constant up to temperatures above 320ºF. It is also rated for continuous service in steam to 300ºF. It shows excellent resistance to alkalies, acids and salts, as well as to many hydrocarbons. PSO is suited for microwave use, and may also be plated or glass-filled. Amongst its varied uses are many medical, automotive, and electronic applications. |
Vespel® - is a high performance polyimide material, which can operate continuously from cryogenic temperatures to 550°F (288°C), with excursions to 900°F (482°C). Vespel parts exhibit superior performance in a variety of applications requiring low wear and long life in severe environments. Property Data |
